---
product_id: 229410772
title: "Retekess TR621 CD and Cassette Player Combo"
brand: "retekess"
price: "£78.70"
currency: GBP
in_stock: true
reviews_count: 13
category: "Retekess"
url: https://www.desertcart.co.uk/products/229410772-retekess-tr621-cd-and-cassette-player-combo
store_origin: GB
region: United Kingdom
---

# Stereo sound + headphone jack Multi-format CD & cassette combo Dual power: AC or 6xD batteries Retekess TR621 CD and Cassette Player Combo

**Brand:** retekess
**Price:** £78.70
**Availability:** ✅ In Stock

## Summary

> 🎶 Retro vibes, modern convenience — your ultimate boombox companion!

## Quick Answers

- **What is this?** Retekess TR621 CD and Cassette Player Combo by retekess
- **How much does it cost?** £78.70 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/229410772-retekess-tr621-cd-and-cassette-player-combo)

## Best For

- retekess enthusiasts

## Why This Product

- Trusted retekess brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Uninterrupted Power Flexibility:** Plug in at home or go cordless with 6 D-cell batteries — perfect for power outages or outdoor vibes.
- • **Personalized Listening Experience:** Program track order, set repeat modes, and even record your own tapes — nostalgia meets customization.
- • **All-in-One Nostalgia & Modern Audio:** Seamlessly switch between CD, cassette, AM/FM radio, USB & TF card playback — your entire music library, anytime.
- • **Rich Stereo Sound for Every Occasion:** Dual speakers deliver immersive, clear audio whether you're hosting a party or enjoying a quiet moment with headphones.
- • **Intuitive Controls for Every Generation:** Large buttons and a pocket-sized remote make music control effortless for both tech-savvy millennials and family elders.

## Overview

The Retekess TR621 is a versatile white boombox combining CD, cassette, AM/FM radio, USB, and TF card playback with stereo sound. It offers dual power options (AC or 6 D batteries), user-friendly large buttons plus a remote, and personalized features like programmable tracks and tape recording. Compact and portable with a headphone jack, it’s designed for seamless music enjoyment at home or on the go.

## Description

Product description Radio, tape cassette & CD player Supports multiple music formats Classic music will last forever Good reception Revisit the golden era of music with the cd player, If you or your friend is a real CD fan and has a collection of various CDs at home, this CD player is definitely a classic home music player When you put in old music tapes, you will feel the fun of these retro music. Whether it is a radio program or CD music, you can use this CD and cassette player to record these meaningful audio on tape Boombox has a telescopic antenna. You can extend or change the direction of the antenna for better reception The AM band at night also has a wide range of radio stations More Additional Features Plug and Play AC 110V power; 6 x D size batteries (not included) More convenient control Cassette and cd player also has a USB port and a TF card slot, you can play your favorite audiobooks before bed, or put it in your child's room to play bedtime stories. They will definitely love it. When you want to listen to the radio or music at home, you can use the power cord to power it. When you want to take it out, travel/camping/drive in movie, you can use the battery to power it. The working range is about 33 feet,can set CD, TF card and USB playback. If you are doing housework at home and it is inconvenient to carry it around the rooms, you can switch the music at any time Compact boombox cd player Enjoy personal time This CD cassette player has a headphone jack. Use the knob to adjust the music to a suitable volume. You can enjoy private music time when you relax after work. CD players for home This cd player boombox has dual speakers, no matter it is playing CD/tape/USB music, it has stereo sound,loud sound without distortionYou can use it at family gatherings, friends' birthday parties, open campsites or parks. Whether you give it to your parents, wife, or husband to listen to their nostalgic music collection, or give it to your children, this is a great family gift. You can even take this boombox out for a picnic or camping with friends, it can bring fun to your journey. What sources does it support recording to tape? Does it require special tapes to record? Retekess TR621 can record radio, CDs, USB flash drives, TF cards and external sources to tapes, and requires blank tapes to record. What sources does it support recording to tape? Does it require special tapes to record? Retekess TR621 can record radio, CDs, USB flash drives, TF cards and external sources to tapes, and requires blank tapes to record. Does this boombox have good AM/FM band reception? Yes, FM can receive local radio signals clearly, and AM can receive distant radio stations. However, as the weather changes, the reception of radio stations may be strong or weak, which is normal and you don't need to worry. Does this boombox have good AM/FM band reception? Yes, FM can receive local radio signals clearly, and AM can receive distant radio stations. However, as the weather changes, the reception of radio stations may be strong or weak, which is normal and you don't need to worry. Are its controls intuitive and user-friendly, especially for seniors ? How do I turn off the radio? Its various components and knobs are intuitive, without composite buttons, and are friendly to seniors, children and other non-technical people. When you want to turn off the radio, just slide the function selector button to the "TAPE/OFF" position. Are its controls intuitive and user-friendly, especially for seniors ? How do I turn off the radio? Its various components and knobs are intuitive, without composite buttons, and are friendly to seniors, children and other non-technical people. When you want to turn off the radio, just slide the function selector button to the "TAPE/OFF" position. Do portable CD and cassette player allow recording from CDs to cassettes? Yes, Retekess TR621 can not only transfer CD music to cassettes, but also record USB, radio and external sounds to blank tapes. And the cd player boombox has a USB port and a TF card slot to load and play MP3 files Do portable CD and cassette player allow recording from CDs to cassettes? Yes, Retekess TR621 can not only transfer CD music to cassettes, but also record USB, radio and external sounds to blank tapes. And the cd player boombox has a USB port and a TF card slot to load and play MP3 files Does this Retekess portable radio support the station memory function? We're so sorry, our TR621 portable cd player does not support this function; however, we have prepared another radio for you, the Retekess TR642 cd cassette player, which does have the station memory function Does this Retekess portable radio support the station memory function? We're so sorry, our TR621 portable cd player does not support this function; however, we have prepared another radio for you, the Retekess TR642 cd cassette player, which does have the station memory function CD and Cassette Player Combo CD Cassette Player Combo CD and Cassette Player CD Cassette Recorder Vinyl Record Player CD Player Boombox Internet radio

Review: BEST CD/MP3/CASSETTE/RADIO BOOMBOX! - FINALLY! A company that knows how to make a perfect CD/MP3/Cassette/Radio Boombox! I've been trying to find one I'd be happy with since MP3 CDs came along so I could play them. I've tried 3 different brands and not one of them were what I was looking for. One brand kept not recognizing a CD with several different CDs, AND would "skip" pieces of a song. After a period of time, the volume control would not work correctly. Another brand (did not have a cassette player) kept skipping pieces of a song (random songs), even just from walking by the player. Very SENSITIVE! The sound was not that great for all three brands. I just received this boombox today. I played a cassette, mp3s using my flash drive, and an MP3 CD. They all worked perfectly! The way it was packaged in the box gave me the impression that Retekess puts a lot of care into their products. It put my hopes up that I would be happy with this boombox. Retekess knows exactly what I need: 1. I love the sound, it's very smooth and clear, and sounds just as good as, or even better than the old Aiwa boombox I have. I needed the T-Bass turned on with the Aiwa in order to get a good sound. The Retekess does not have a T-Bass, but it does NOT need it! I couldn't ask for a better sound, even with the volume turned up. 2. The cassette buttons are labeled that it makes sense. It states FF and Rewind. 3. There IS a power-off button. The slider on the left side has a TAPE/OFF selection. Most cassette players never had a power button because it doesn't turn on until you press PLAY, etc. The Retekess has a red light when the power is turned on. When you set the switch to TAPE/OFF, the red light shuts off. When you play a tape, the red light comes on. 4. Another irritating feature with the other models is that the LED kept switching between displaying the "Folder" and the "Track" numbers and I did not appreciate having to wait for it to display the track to see what track was playing. One of the models displayed the TIMING of the track instead! The Retekess displays the track only when playing tracks. Yay! 5. A VERY IMPORTANT feature is the remote control has a +10 button, AND a keypad. With MP3 CDs I can have over 250 tracks. It's a nightmare trying to get to a track that I want to play. Having the +10 button is very helpful, but EVEN BETTER, you can input the track number on the remote control and it goes right to that track. So EASY. Don't even have to hit an ENTER key. Just input the number of the track on the remote's keypad and the player will play that track (if you are not in PLAY mode, then you would have to press PLAY once you enter the track number). LOVE IT! The remote uses #2025 batteries. 6. The CD/MP3 disc loads VERY FAST, even with MP3 CDs with over 200 songs! The player will automatically start to play the CD once the cover is closed. 7. It has a built-in microphone and a headphone jack. The only thing that is disappointing is the LCD display does not light up, so sometimes it's hard to see the track number. I tried pressing the Skip/Fast Forward button for the CD to see if the display will light up when changing tracks, but it does not. For me, all the other features I mentioned are the most important. Update: I haven't had a problem seeing the track number where I placed the boombox permanently. I use this boombox a lot and LOVE IT. Also, very happy with the controls and their placement. Update: I have been using this boombox since January 2021 and have been very happy with it. I've seen some complaints about it doing crazy things, so want to mention it comes with a cardboard inside the CD tray which states DO NOT VIBRATE. The only time my CD acted crazy while playing it was because of a vibration, like not shutting the cabinet drawer gently while playing the CD. All you have to do is shut the boombox and turn it back on and it's fine. I have three of these, one for the kitchen, one for the bedroom, and one for the small office.
Review: Retekess TR621 CD and tape player - My main radio was an ION ISP113S Retro Rocker, with a Retekess TR618 as alternate. The volume knob on the ION began cutting out after several years of frequent and occasionally 24/7 use. For replacement, I was looking for radios that could be used for night listening with headphones, with speakers good enough for daytime listening to the local jazz station. They needed to run on AC not battery power. I like old fashioned rectangular radios because they take up less room, but I needed to eliminate a lot of those as being too basic without the needed features, or they only ran on batteries. Ordinarily I ignore the rounded ones with CD players because my CD collection went the way of the wind when I no longer had anything to play them on. I don't have a tape collection anymore either. However I was starting to see that many of the units with CD and cassette drives had features I need, such as AC cord, good sized speakers for better sound, headphone jack, USB port, TF slot for SD or Micro SD cards, and some had Bluetooth receiver ability. I also prefer a tuning knob and volume knob to digital tuning and volume buttons because buttons tend to be too stepped. Finally I was honing in on a few units by Greadio, Gelielim, and Retekess when I saw a bundle of two, the Retekess TR636 and TR621. White isn't my favorite color for electronics, but when I saw the desertcart bundle for the TR636 and the TR621 for much less than if they were bought separately, I decided to buy it. The TR636 was high on my list but I had eliminated the TR621 because it didn't receive Bluetooth, and is fairly large compared to the TR636. However it is a nice player. I have several Retekess radios of the more conventional sort and like the brand. The Retekess TR621 has a CD player and cassette drive, it has a USB port, TF/micro SD card slot. It has volume and tuning knobs and a 3.5mm headphone jack. It doesn't receive Bluetooth, but I have most of my audio files stored on thumb drives that plug into a USB port. The TR621 can be used with 6 D cell batteries but I've never tested it that way, I only use it on AC. It has a conveniently long cord. It has a remote control that runs on a button battery, but let's focus on that for a moment. I don't use it partly because it's so hard to press the buttons. It's a tiny thing and doesn't control volume, it only controls the CD play functions and maybe the other digital ones like the USB port if a thumb drive is plugged in playing audio. It doesn't control the cassette player. Installing the battery was an ordeal by itself. I saw no instructions on how to open the battery door, but figured it out. It requires squeezing a tab and pulling it out. Enough said about that mini torture device. A control wand like the TR636 has would be be so much better. Personally I need a wand that controls volume and power. The TR621 has the USB and TF card slots, volume and tuning knobs in a good location on top. However the digital screen doesn't have a backlight so it can be hard to read, and be aware that when tuning the radio, the frequency isn't displayed on the screen. The knob is marked and you must tune it by ear. The function switch is on the side and may not be so easy to see. It has an off setting and you'll have to look at it to become familiar with it. Now for the best part. The speakers are pretty nice sounding. I was expecting a hollow plastic reverb compared to regular stereo speakers in a wood housing, but when testing the radio, USB port, and CD player I was pleasantly surprised. I actually enjoyed the sound. While it's not equal to my old four speaker Sanyo boombox, it does sound good. I have 3 CDs and played Journey Infinity for the test. The volume goes up further than the neighbors will like, but you wouldn't want to blow out the speakers by blasting them. I even tested it by running a cable between its headphone jack and an old retro cathedral radio's RCA jacks. I played old classic audiobooks through that as an external speaker. Overall I give the TR621 a thumbs up. It was a good choice. There are YouTube videos that demonstrate the features of many radios and CD players, some very in depth. I watched some on the Retekess players before deciding to buy. Search YouTube for the brand and model you're interested in to see what videos are available. I live in the city with quite a few transmitters nearby and can't say how the radio will perform in rural areas farther out, but an antenna extender can be bought or made that clips to the whip antenna to help boost signals. There are the reel type that extend about 20+ feet and have a clip or optional plug. Or, an extension can be made out of inexpensive speaker wire with an alligator clip attached to the whip antenna. The wire can be run across the room but best if up high near the ceiling, can use light duty wall hooks to hang it. They do make a difference, but if extended out a window along the eaves or to a tree, the clip should be disconnected from the radio during electrical storms. For that reason indoor antennas are safer for the purpose. I once had hundreds of feet of outdoor wire loop for shortwave listening and can vouch for the amplified reception, but a short indoor extension is one of the few options available to people in city apartments.

## Features

- Durable cd cassette player combo; plug in wall radio can be used anywhere in the home with power; cd cassette player am/fm radio powered by 6*D batteries; can be replaced at any time; no need to worry about power outage emergency; can no longer be used after the battery runs out during outdoor activities or travel; in long-term use; no need to replace the entire cd cassette player due to battery loss
- Versatile cd and cassette player combo; Retekess tr621 combines various playback options such as AM FM radio; cd; tape; TF card and USB; allowing you to switch freely between different music; perfect for those who cherish the nostalgia of tapes while enjoying modern audio options
- User-friendly design; portable cd player design is convenient; intuitive control; no composite buttons; large buttons can be easily used by the elderly and children; small remote control can switch music; control volume; perfect for putting in pocket when doing housework at home
- Cassette tape player offers a personalized programming and recording experience; you can program the order of cd music according to your preferences; You can also set different repeat play modes to enjoy your music; Using the recording function; you can diy your own tape box; making the experience rich and interesting
- Good sound experience; with its stereo function; boombox can provide beautiful and immersive sound when playing different types of music; at festivals; you can use cd cassette player plays pleasant atmosphere songs and can also show its powerful volume at various parties; It is also a good gift choice
- CD and Cassette Player Combo; The TR621 am fm radio supports CD/CDR/CDRW/MP3/WMA formats; supports both CDs and cassettes; fast forward and rewind when playing CDs or cassettes
- The CD Player Boombox Supports MP3 Player Function; Home audio radio supports micro SD card and USB flash disk input; when you play CD or USB music the CD player has a stereo sound
- CD Tape Player Combo with Remote Playback; control CD and USB playback but cannot control cassette and radio playback; the control distance is up to 32 feet; displays the current track number and other information; playback order can be freely selected
- Portable Handle; CD cassette player am/fm radio; the handle makes it easy to move; you can easily move this radio from the bedroom to the living room or garden; it is small, lightweight, and easy to carry
- A Thoughtful Gift for the Family; Stylish appearance; simple operation; can play music from USB/TF cards; whether for the elderly or young people, this CD player with speakers is a beautiful gift

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0895Y8J78 |
| Audio Output Mode | Stereo |
| Best Sellers Rank | #3,576 in Electronics ( See Top 100 in Electronics ) #8 in Boomboxes |
| Bluetooth support? | No |
| Brand | Retekess |
| Built-In Media | 1*Charging cable, 1*RETEKESS TR621 cd and cassette player, 1*Remote Control, 1*User Manual |
| Color | White |
| Compatible Devices | Smartphone |
| Connectivity Technology | Headphone Jack, TF, USB |
| Customer Reviews | 4.3 out of 5 stars 4,101 Reviews |
| Frequency Response Curve | CD playback: 50Hz-18KHz, Tape playback: 100Hz-8KHz |
| Item Dimensions | 10.24 x 8.62 x 5.47 inches |
| Item Type Name | CD Cassette Player Boombox |
| Item Weight | 2116.5 Grams |
| Item dimensions L x W x H | 10.24 x 8.62 x 5.47 inches |
| Manufacturer | Retekess |
| Mfr Part Number | F9245B |
| Model Number | TR621 |
| Number of Speakers | 2 |
| Power Source | Battery Powered |
| Speaker Type | Dual Speaker |
| Speakers Included | 2 Speakers |
| Style Name | Modern |
| Supported Audio Format | CD, CDR, CDRW, MP3, WMA |
| Supported Standards | CD/CDR/CDRW/MP3/WMA |
| Surround Sound Channel Configuration | 2.0 |
| Unit Count | 1 Count |
| Warranty Description | We provide 1 year warranty and 30 days no reason to return. Beyond the warranty period: We still offer maintain service, buyers are required to afford corresponding costs. We processed in the most hassle-free way possible.You just need to contact with us on Amazon ,we will reply you within 12 hours |
| Wattage | 3 watts |

## Product Details

- **Brand:** Retekess
- **Color:** White
- **Connectivity Technology:** Headphone Jack, TF, USB
- **Item dimensions L x W x H:** 10.24 x 8.62 x 5.47 inches
- **Speaker Type:** Dual Speaker

## Images

![Retekess TR621 CD and Cassette Player Combo - Image 1](https://m.media-amazon.com/images/I/61B-tq4AacL.jpg)
![Retekess TR621 CD and Cassette Player Combo - Image 2](https://m.media-amazon.com/images/I/71Y25ki6UrL.jpg)
![Retekess TR621 CD and Cassette Player Combo - Image 3](https://m.media-amazon.com/images/I/71FiWvyHHeL.jpg)
![Retekess TR621 CD and Cassette Player Combo - Image 4](https://m.media-amazon.com/images/I/71KStlL0lzL.jpg)
![Retekess TR621 CD and Cassette Player Combo - Image 5](https://m.media-amazon.com/images/I/714vgm+86YL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: What sources does it support recording to tape? Does it require special tapes to record?**
A: Retekess TR621 can record radio, CDs, USB flash drives, TF cards and external sources to tapes, and requires blank tapes to record.

**Q: Does this boombox have good AM/FM band reception?**
A: Yes, FM can receive local radio signals clearly, and AM can receive distant radio stations. However, as the weather changes, the reception of radio stations may be strong or weak, which is normal and you don't need to worry.

**Q: Are its controls intuitive and user-friendly, especially for seniors ? How do I turn off the radio?**
A: Its various components and knobs are intuitive, without composite buttons, and are friendly to seniors, children and other non-technical people. When you want to turn off the radio, just slide the function selector button to the "TAPE/OFF" position.

**Q: Do portable CD and cassette player allow recording from CDs to cassettes?**
A: Yes, Retekess TR621 can not only transfer CD music to cassettes, but also record USB, radio and external sounds to blank tapes. And the cd player boombox has a USB port and a TF card slot to load and play MP3 files

**Q: Does this Retekess portable radio support the station memory function?**
A: We're so sorry, our TR621 portable cd player does not support this function; however, we have prepared another radio for you, the Retekess TR642 cd cassette player, which does have the station memory function

## Customer Reviews

### ⭐⭐⭐⭐⭐ BEST CD/MP3/CASSETTE/RADIO BOOMBOX!
*by G***1 on January 3, 2021*

FINALLY! A company that knows how to make a perfect CD/MP3/Cassette/Radio Boombox! I've been trying to find one I'd be happy with since MP3 CDs came along so I could play them. I've tried 3 different brands and not one of them were what I was looking for. One brand kept not recognizing a CD with several different CDs, AND would "skip" pieces of a song. After a period of time, the volume control would not work correctly. Another brand (did not have a cassette player) kept skipping pieces of a song (random songs), even just from walking by the player. Very SENSITIVE! The sound was not that great for all three brands. I just received this boombox today. I played a cassette, mp3s using my flash drive, and an MP3 CD. They all worked perfectly! The way it was packaged in the box gave me the impression that Retekess puts a lot of care into their products. It put my hopes up that I would be happy with this boombox. Retekess knows exactly what I need: 1. I love the sound, it's very smooth and clear, and sounds just as good as, or even better than the old Aiwa boombox I have. I needed the T-Bass turned on with the Aiwa in order to get a good sound. The Retekess does not have a T-Bass, but it does NOT need it! I couldn't ask for a better sound, even with the volume turned up. 2. The cassette buttons are labeled that it makes sense. It states FF and Rewind. 3. There IS a power-off button. The slider on the left side has a TAPE/OFF selection. Most cassette players never had a power button because it doesn't turn on until you press PLAY, etc. The Retekess has a red light when the power is turned on. When you set the switch to TAPE/OFF, the red light shuts off. When you play a tape, the red light comes on. 4. Another irritating feature with the other models is that the LED kept switching between displaying the "Folder" and the "Track" numbers and I did not appreciate having to wait for it to display the track to see what track was playing. One of the models displayed the TIMING of the track instead! The Retekess displays the track only when playing tracks. Yay! 5. A VERY IMPORTANT feature is the remote control has a +10 button, AND a keypad. With MP3 CDs I can have over 250 tracks. It's a nightmare trying to get to a track that I want to play. Having the +10 button is very helpful, but EVEN BETTER, you can input the track number on the remote control and it goes right to that track. So EASY. Don't even have to hit an ENTER key. Just input the number of the track on the remote's keypad and the player will play that track (if you are not in PLAY mode, then you would have to press PLAY once you enter the track number). LOVE IT! The remote uses #2025 batteries. 6. The CD/MP3 disc loads VERY FAST, even with MP3 CDs with over 200 songs! The player will automatically start to play the CD once the cover is closed. 7. It has a built-in microphone and a headphone jack. The only thing that is disappointing is the LCD display does not light up, so sometimes it's hard to see the track number. I tried pressing the Skip/Fast Forward button for the CD to see if the display will light up when changing tracks, but it does not. For me, all the other features I mentioned are the most important. Update: I haven't had a problem seeing the track number where I placed the boombox permanently. I use this boombox a lot and LOVE IT. Also, very happy with the controls and their placement. Update: I have been using this boombox since January 2021 and have been very happy with it. I've seen some complaints about it doing crazy things, so want to mention it comes with a cardboard inside the CD tray which states DO NOT VIBRATE. The only time my CD acted crazy while playing it was because of a vibration, like not shutting the cabinet drawer gently while playing the CD. All you have to do is shut the boombox and turn it back on and it's fine. I have three of these, one for the kitchen, one for the bedroom, and one for the small office.

### ⭐⭐⭐⭐⭐ Retekess TR621 CD and tape player
*by D***C on March 10, 2024*

My main radio was an ION ISP113S Retro Rocker, with a Retekess TR618 as alternate. The volume knob on the ION began cutting out after several years of frequent and occasionally 24/7 use. For replacement, I was looking for radios that could be used for night listening with headphones, with speakers good enough for daytime listening to the local jazz station. They needed to run on AC not battery power. I like old fashioned rectangular radios because they take up less room, but I needed to eliminate a lot of those as being too basic without the needed features, or they only ran on batteries. Ordinarily I ignore the rounded ones with CD players because my CD collection went the way of the wind when I no longer had anything to play them on. I don't have a tape collection anymore either. However I was starting to see that many of the units with CD and cassette drives had features I need, such as AC cord, good sized speakers for better sound, headphone jack, USB port, TF slot for SD or Micro SD cards, and some had Bluetooth receiver ability. I also prefer a tuning knob and volume knob to digital tuning and volume buttons because buttons tend to be too stepped. Finally I was honing in on a few units by Greadio, Gelielim, and Retekess when I saw a bundle of two, the Retekess TR636 and TR621. White isn't my favorite color for electronics, but when I saw the Amazon bundle for the TR636 and the TR621 for much less than if they were bought separately, I decided to buy it. The TR636 was high on my list but I had eliminated the TR621 because it didn't receive Bluetooth, and is fairly large compared to the TR636. However it is a nice player. I have several Retekess radios of the more conventional sort and like the brand. The Retekess TR621 has a CD player and cassette drive, it has a USB port, TF/micro SD card slot. It has volume and tuning knobs and a 3.5mm headphone jack. It doesn't receive Bluetooth, but I have most of my audio files stored on thumb drives that plug into a USB port. The TR621 can be used with 6 D cell batteries but I've never tested it that way, I only use it on AC. It has a conveniently long cord. It has a remote control that runs on a button battery, but let's focus on that for a moment. I don't use it partly because it's so hard to press the buttons. It's a tiny thing and doesn't control volume, it only controls the CD play functions and maybe the other digital ones like the USB port if a thumb drive is plugged in playing audio. It doesn't control the cassette player. Installing the battery was an ordeal by itself. I saw no instructions on how to open the battery door, but figured it out. It requires squeezing a tab and pulling it out. Enough said about that mini torture device. A control wand like the TR636 has would be be so much better. Personally I need a wand that controls volume and power. The TR621 has the USB and TF card slots, volume and tuning knobs in a good location on top. However the digital screen doesn't have a backlight so it can be hard to read, and be aware that when tuning the radio, the frequency isn't displayed on the screen. The knob is marked and you must tune it by ear. The function switch is on the side and may not be so easy to see. It has an off setting and you'll have to look at it to become familiar with it. Now for the best part. The speakers are pretty nice sounding. I was expecting a hollow plastic reverb compared to regular stereo speakers in a wood housing, but when testing the radio, USB port, and CD player I was pleasantly surprised. I actually enjoyed the sound. While it's not equal to my old four speaker Sanyo boombox, it does sound good. I have 3 CDs and played Journey Infinity for the test. The volume goes up further than the neighbors will like, but you wouldn't want to blow out the speakers by blasting them. I even tested it by running a cable between its headphone jack and an old retro cathedral radio's RCA jacks. I played old classic audiobooks through that as an external speaker. Overall I give the TR621 a thumbs up. It was a good choice. There are YouTube videos that demonstrate the features of many radios and CD players, some very in depth. I watched some on the Retekess players before deciding to buy. Search YouTube for the brand and model you're interested in to see what videos are available. I live in the city with quite a few transmitters nearby and can't say how the radio will perform in rural areas farther out, but an antenna extender can be bought or made that clips to the whip antenna to help boost signals. There are the reel type that extend about 20+ feet and have a clip or optional plug. Or, an extension can be made out of inexpensive speaker wire with an alligator clip attached to the whip antenna. The wire can be run across the room but best if up high near the ceiling, can use light duty wall hooks to hang it. They do make a difference, but if extended out a window along the eaves or to a tree, the clip should be disconnected from the radio during electrical storms. For that reason indoor antennas are safer for the purpose. I once had hundreds of feet of outdoor wire loop for shortwave listening and can vouch for the amplified reception, but a short indoor extension is one of the few options available to people in city apartments.

### ⭐⭐⭐⭐ The Retekess TR621: A Versatile Boom Box for Endless Audio Enjoyment
*by L***O on June 14, 2023*

The Retekess TR621 is a versatile boom box that brings together the convenience of a CD and cassette combo in one compact device. With its impressive features and functionality, it is a true audio companion that caters to a wide range of preferences. CD and cassette playback is a breeze with the TR621, supporting various formats such as CD, CDR, CDRW, MP3, and WMA discs. This allows you to enjoy your entire music collection, whether it's in digital or classic format. Adding to its versatility, the TR621 features a stereo MP3 player, enabling playback from micro SD cards and USB flash disks. Whether you're listening to CDs or digital tracks, the boom box ensures a stereo sound experience that enhances your enjoyment. The inclusion of a remote control enhances convenience by allowing you to manage CD and USB playback from a distance of up to 32 feet. While it doesn't control cassette and radio playback, it provides the freedom to place the TR621 on a high spot and easily control it using the remote. Speaking of the radio, the TR621 features an AM/FM tuner with a telescopic antenna that enhances radio reception. This ensures that you can tune in to your favorite stations with excellent clarity. For those who appreciate the charm of cassette tapes, the tape recording function is a delightful addition. You can record your favorite music, radio broadcasts, or even capture external sounds, preserving cherished memories on tape. The TR621 offers two power supply options: AC 110V power with the included cable or 6 D size batteries for portable use. This versatility makes it suitable for both indoor and outdoor activities, providing the freedom to enjoy music anywhere. Equipped with dual high-powered speakers, the TR621 delivers excellent audio clarity, creating a pleasant listening experience. The LCD display provides track information and allows you to customize the order of play, including the option to loop single tracks or all tracks. Portability is made easy with the convenient carry handle, allowing you to effortlessly move the TR621 from one room to another or take it on the go. Its sleek white exterior design adds a touch of elegance to any space. While the remote control lacks certain functions like an on/off button, volume control, and base/treble control, these minor drawbacks do not overshadow the overall positive experience provided by the Retekess TR621. With its impressive features and versatility, the TR621 makes for an ideal Father's Day gift. Its white exterior design, CD cassette player with recording capabilities, and broad appeal to music lovers of all ages make it a thoughtful and delightful present. In conclusion, the Retekess TR621 is a reliable and versatile boom box that combines modern functionality with classic appeal. Its ability to play CDs, cassettes, MP3s, and offer radio functionality makes it a well-rounded audio companion. Whether you're enjoying music at home or on the move, the TR621 provides quality sound and convenience, making it a worthy addition to any audio collection.

## Frequently Bought Together

- Retekess TR621 CD and Cassette Player Combo, Boombox CD Player for Home, AM/FM, Tape Recording, TF/USB Drive, AC or D Battery Powered, Headphone Jack, Stereo Sound (White)
- Maxell UR 90 Normal Bias Blank Audio Recording Cassette Tape, Low Noise, 90 Minute Recording Time, 5 Pack
- Maxell 108527 Optimally Designed Flat Packs with Low Noise Surface 90 Min Recording Time Per Cassette, One Color, One Size

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-17*