--- product_id: 516294620 title: "Case of 4,Retekess TW104 Intercom Speaker,Window Intercom,Bank Intercom with Full Duplex,Intercom System for Business,School, Medical Center, Hospital, Government Office" brand: "retekess" price: "£11.62" currency: GBP in_stock: false url: https://www.desertcart.co.uk/products/516294620-case-of-4-retekess-tw104-intercom-speaker-window-intercom-bank store_origin: GB region: United Kingdom --- # 3W output power Full duplex sound Durable aluminum alloy Case of 4,Retekess TW104 Intercom Speaker,Window Intercom,Bank Intercom with Full Duplex,Intercom System for Business,School, Medical Center, Hospital, Government Office **Brand:** retekess **Price:** £11.62 **Availability:** ❌ Out of Stock ## Summary > 🔗 Connect with Confidence! ## Quick Answers - **What is this?** Case of 4,Retekess TW104 Intercom Speaker,Window Intercom,Bank Intercom with Full Duplex,Intercom System for Business,School, Medical Center, Hospital, Government Office by retekess - **How much does it cost?** £11.62 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/516294620-case-of-4-retekess-tw104-intercom-speaker-window-intercom-bank) ## 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 - • **Built to Last:** Constructed with high-strength aluminum alloy and protective metal tubing for durability. - • **Effortless Setup:** Plug and play design ensures quick installation—no technical skills required! - • **Versatile Use Cases:** Perfect for banks, schools, and medical centers—enhance customer interactions effortlessly. - • **Powerful Sound Output:** Enjoy robust audio with 3W main and sub sound signal output for clarity. - • **Crystal Clear Communication:** Experience seamless two-way conversations with full duplex technology. ## Overview The Retekess TW104 Intercom Speaker is a professional-grade window intercom system designed for businesses, schools, and medical facilities. It features full duplex technology for clear two-way communication, a powerful 3W sound output, and a durable aluminum alloy construction. With easy setup and versatile applications, this intercom system enhances customer service and communication in any environment. ## Description Window speaker intercom system is clear sound with advanced full duplex technology; two-way voice signals; easy to use2 way window intercom system can be used in movie theater ticket window; driver window;bus station; hospitalFull Duplex TechFull-duplex data communication allows data to be transmitted in both directions at the same time;So the transmitting and receiving device can work independent for two-way communication;Window speaker intercom system pick up your voice with no break upEasy to set upEasy installation;there is only one wire for connecting master station and substation;So it can work well in a small business area with a window barrierSound ClarityHands free two-way talkback full automatic;window speaker system use a 4 core high-strength aluminum foil shielded wire; No need to worry about static noise or hollow soundingMic Cable Extension1.8m connection cable;You can extend the cord of the two parts;to extend the range of speaker to the microphone; avoid the current length of the mic limits your placement optionsKnob Adjustmentthe volume of internal and external can be adjusted by separately;Knob design; easy to operate;Superior audio quality and level control from unique audio-shaping circuitry ensure maximum voice intelligibility for quick and accurate transactionsMore SafetyThere is metal tube to protect the shielded wire for better protection;bank intercom system adopts more safer plug with self-locking function for corrosion-resistant and anti-sheddingSpecificationMaterial: aluminum alloy shellConnection cable length: 1.8m / 5.9ftWorking voltage: DC12V / 500mAAdapter: AC 110V or 220VMain sound (sub sound): 3W+3WMicrophone sensitivity: -65dbPackage Includes4 x Dual-way counter interphone4 x External speaker4 x Power adapter4 x English manual ## Features - Clear two way sound;window speaker intercom system adopts full duplex technology with great sound transmission; 3W Main sound and sub sound signal output;It also adopts a 4 core high-strength aluminum foil shielded wire for less signal interference - Durable use;2 way window intercom use aluminum alloy panel;There is also a metal tube to protect the foil shielded wire; more sturdy; It can be installed in a commercial ticket window to hear customers better - Recording Function;There is 3.5mm jack recording in the main station;So it support to connect external recording device; So it works very well in a small business area with a window barrier - Knob Voice Adjustment; Bank window intercom system has the ability to adjust the volume on the both sides; And knob design can be more convenient to operate; Less static noise or hollow sounding - Easy to set up; it is really easy to use and setup just you have to plugin and it work; You can use it at check cashing place or groceries store; No need to use sign language with customers ## Technical Specifications | Specification | Value | |---------------|-------| | Power Source | dc | | Speaker Maximum Output Power | 3 Watts | | Controller Type | Voice Control | | Color | Silver | | Is Waterproof | FALSE | | Control Method | Voice | | Audio Output Mode | Duplex | | Mounting Type | Wall Mount | | Speaker Type | Built-In | | Additional Features | Full Duplex; two way intercom, Aluminum Alloy Material | | Item Weight | 4108 Grams | | Number of Audio Channels | 2.0 | | Connectivity Technology | Auxiliary | ## Product Details - **Brand:** Retekess - **Speaker maximum output power:** 3 Watts - **Connectivity technology:** Auxiliary - **Mounting type:** window mount - **Material:** Aluminum ## Images ![Case of 4,Retekess TW104 Intercom Speaker,Window Intercom,Bank Intercom with Full Duplex,Intercom System for Business,School, Medical Center, Hospital, Government Office - Image 1](https://m.media-amazon.com/images/I/61aH45Med2L.jpg) ![Case of 4,Retekess TW104 Intercom Speaker,Window Intercom,Bank Intercom with Full Duplex,Intercom System for Business,School, Medical Center, Hospital, Government Office - Image 2](https://m.media-amazon.com/images/I/71mnu52oIRL.jpg) ![Case of 4,Retekess TW104 Intercom Speaker,Window Intercom,Bank Intercom with Full Duplex,Intercom System for Business,School, Medical Center, Hospital, Government Office - Image 3](https://m.media-amazon.com/images/I/617kiKBvgBL.jpg) ![Case of 4,Retekess TW104 Intercom Speaker,Window Intercom,Bank Intercom with Full Duplex,Intercom System for Business,School, Medical Center, Hospital, Government Office - Image 4](https://m.media-amazon.com/images/I/6128DEkOBRL.jpg) ![Case of 4,Retekess TW104 Intercom Speaker,Window Intercom,Bank Intercom with Full Duplex,Intercom System for Business,School, Medical Center, Hospital, Government Office - Image 5](https://m.media-amazon.com/images/I/61tuQHzdMoL.jpg) ## Frequently Bought Together - Retekess TW104 Two Way Speaker Intercom,Full Duplex Intercom,Clear Sound,High Power Output,Window Intercom for Business,School,Tickets Office,Store(4 Pack) - Retekess TW104 Two Way Intercom, Full Duplex Intercom System with Clear Sound, Intercom System for Dining Car, Indoor, Hospital --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/516294620-case-of-4-retekess-tw104-intercom-speaker-window-intercom-bank](https://www.desertcart.co.uk/products/516294620-case-of-4-retekess-tw104-intercom-speaker-window-intercom-bank) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-25*