--- product_id: 729636504 title: "BTR11 Bluetooth 5.3 Receiver LDAC 3.5mm Wireless Audio Headphone Amplifier Adapter (Black)" brand: "fiio" price: "£56.92" currency: GBP in_stock: true category: "Fii O" url: https://www.desertcart.co.uk/products/729636504-btr11-bluetooth-5-3-receiver-ldac-3-5mm-wireless-audio store_origin: GB region: United Kingdom --- # 45mW amp for wired-level sound HiFi LDAC Bluetooth 5.3 15h playback, 1h fast charge BTR11 Bluetooth 5.3 Receiver LDAC 3.5mm Wireless Audio Headphone Amplifier Adapter (Black) **Brand:** fiio **Price:** £56.92 **Availability:** ✅ In Stock ## Summary > 🎧 Elevate Your Sound, Cut the Cords, Own the Moment ## Quick Answers - **What is this?** BTR11 Bluetooth 5.3 Receiver LDAC 3.5mm Wireless Audio Headphone Amplifier Adapter (Black) by fiio - **How much does it cost?** £56.92 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/729636504-btr11-bluetooth-5-3-receiver-ldac-3-5mm-wireless-audio) ## Best For - fiio enthusiasts ## Why This Product - Trusted fiio brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Ultra-Light, Ultra-Portable:** Weighing just 12.5g with versatile clip and lanyard options, it’s the perfect on-the-go audio upgrade for professionals always in motion. - • **All-Day Power, Zero Downtime:** Enjoy up to 15 hours of uninterrupted playback with a rapid 1-hour charge to 90%—never miss a beat during your busy day. - • **Amplify Your Wired Headphones:** Built-in 45mW independent amplifier delivers powerful, wired-quality sound through your favorite headphones—wirelessly. - • **HiFi Wireless Audio Revolution:** Experience crystal-clear LDAC Bluetooth 5.3 sound that elevates your music to studio-quality wireless freedom. - • **Seamless Calls with Noise Reduction:** Integrated omnidirectional mic with noise reduction ensures crystal-clear calls, keeping you connected and professional anywhere. ## Overview The FiiO BTR11 is a compact, lightweight Bluetooth 5.3 receiver and headphone amplifier supporting LDAC for HiFi wireless audio. It offers up to 15 hours of playback with fast charging, a powerful 45mW amp for wired-level sound quality, and a built-in noise-reducing microphone for clear calls. Perfect for turning wired headphones and non-Bluetooth speakers into premium wireless audio devices. ## Description HiFi Bluetooth with LDAC | Independent headphone amp Lightweight for easy carry | Built-in mic supports calls | 15 hours long battery life ## Features - BTR11 supports the LDAC Bluetooth audio format, providing HiFi-level wireless Bluetooth sound quality, and also supports Bluetooth 5.3! - In continuous music playback, the working time reaches 15 hours. When the battery is low, it only takes 1 hour to charge up to 90%, close to full capacity! - Weighing only 12.5g and measuring about 5.5cm, it offers two convenient carrying options: an elastic back clip and a lanyard, making it stress-free to carry! - With a built-in high-performance independent ear amplifier and an output power of up to 45mW (16Ω), it allows earphones to deliver excellent performance, providing high-quality music comparable to wired connections via Bluetooth. - It features a built-in high-sensitivity omnidirectional microphone that supports call noise reduction, ensuring a clear calling experience. - Not only can it turn wired headphones into Bluetooth wireless headphones instantly, but it can also upgrade non-Bluetooth speakers or those that don’t support LDAC to Bluetooth capability or enhance them to support higher-quality Bluetooth formats! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DJVX45BM | | Audio Input | 3.5mm AUX | | Audio Output Mode | Stereo | | Audio Output Type | Bluetooth, LDAC, Auxiliary (3.5mm) | | Battery Charge Time | 1 Hours | | Battery Weight | 2.6 Grams | | Bluetooth support? | Yes | | Brand Name | FiiO | | Colour | Black | | Compatibility Options | Bluetooth-enabled devices, wired headphones, non-Bluetooth speakers | | Compatible Devices | Car Stereo System, Headphone, Smartphone, Speaker, Tablet, Television | | Connectivity Technology | Bluetooth | | Connector Type Used on Cable | Auxiliary | | Control Method | Touch | | Control Type | Volume Control | | Country of Origin | USA | | Customer Reviews | 4.3 4.3 out of 5 stars (506) | | Hardware Interface | Bluetooth | | Human Interface Input | Microphone | | Includes Remote | No | | Installation Type | wireless | | Item Weight Unit of Measure | 0.06 Kilograms | | Lithium Battery Energy Content | 0.44 Watt Hours | | Manufacturer | FiiO | | Model Name | FiiO BTR11 | | Number of Batteries | 1 Lithium Ion batteries required. (included) | | Number of Channels | 2 | | Number of Lithium-ion Cells | 1 | | Power Source | Battery Powered | | Product Features | Built-In Microphone | | Rechargeable Battery Included | Yes | | Supported Application | Spotify, YouTube, MP3, AAC, etc. | | Supported Media Type | MP3, WAV, AAC, FLAC | | Supported Standards | LDAC | | Wireless Compability | Bluetooth | ## Product Details - **Brand:** FiiO - **Connectivity Technology:** Bluetooth - **Item Weight:** 0.06 Kilograms - **Power Source:** Battery Powered - **Special Feature:** Built-In Microphone ## Images ![BTR11 Bluetooth 5.3 Receiver LDAC 3.5mm Wireless Audio Headphone Amplifier Adapter (Black) - Image 1](https://m.media-amazon.com/images/I/51V5NoSvZaL.jpg) ## Available Options This product comes in different **Color** options. ## Frequently Bought Together - FiiO BTR11 Bluetooth 5.3 Receiver LDAC 3.5mm Wireless Audio Headphone Amplifier Adapter (Black) - Moondrop CHU II High Performance Dynamic Driver IEMs Interchangeable Cable in-Ear Headphone - Anker USB C to 3.5mm Audio Adapter, Male to Female Nylon Cable for Samsung S20/S20+/S20 Ultra, Pixel 4/+ 4XL, and More Type C Devices --- ## 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/729636504-btr11-bluetooth-5-3-receiver-ldac-3-5mm-wireless-audio](https://www.desertcart.co.uk/products/729636504-btr11-bluetooth-5-3-receiver-ldac-3-5mm-wireless-audio) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-10-15*