--- product_id: 93972111 title: "XCLUMA Bluetooth 4.0 CSR8645 v3.2 Amplifier Board APT-X Stereo Receiver Amp Module Audio Amp Lossless w/Call Function" brand: "xcluma" price: "£17.45" currency: GBP in_stock: true reviews_count: 8 category: "Xcluma" url: https://www.desertcart.co.uk/products/93972111-xcluma-bluetooth-4-0-csr8645-v3-2-amplifier-board-apt store_origin: GB region: United Kingdom --- # Dual phone Bluetooth pairing 5W max output power Low power CSR8645 chipset XCLUMA Bluetooth 4.0 CSR8645 v3.2 Amplifier Board APT-X Stereo Receiver Amp Module Audio Amp Lossless w/Call Function **Brand:** xcluma **Price:** £17.45 **Availability:** ✅ In Stock ## Summary > 🎧 Elevate your audio game with smart, powerful Bluetooth amplification! ## Quick Answers - **What is this?** XCLUMA Bluetooth 4.0 CSR8645 v3.2 Amplifier Board APT-X Stereo Receiver Amp Module Audio Amp Lossless w/Call Function by xcluma - **How much does it cost?** £17.45 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/93972111-xcluma-bluetooth-4-0-csr8645-v3-2-amplifier-board-apt) ## Best For - xcluma enthusiasts ## Why This Product - Trusted xcluma brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Crystal-Clear Stereo Sound:** Experience lossless APT-X audio with zero buzzing for premium listening. - • **Power-Efficient Performance:** Low-voltage 5V operation ensures long-lasting, energy-smart amplification. - • **Compact Surface Mount Design:** Sleek, space-saving board fits easily into your custom audio projects. - • **Integrated Call Functionality:** Handle calls directly through the amp module—perfect for multitasking pros. - • **Seamless Dual-Device Connectivity:** Pair two phones effortlessly and switch calls without missing a beat. ## Overview The XCLUMA Bluetooth 4.0 CSR8645 v3.2 Amplifier Board delivers 5W stereo output with lossless APT-X audio quality, supports dual phone Bluetooth connections, and features an integrated call function—all powered efficiently at 5V. Its compact surface mount design makes it ideal for professional-grade audio projects requiring clear sound and smart connectivity. ## Description XCLUMA Bluetooth 4.0 CSR8645 v3.2 Amplifier Board APT-X Stereo Receiver Amp Module Audio Amp Lossless w/ Call Function Review: Costly bt quality product - It's best, work in very lower voltage 🥹 Review: Best product ever - The board was amazing i sonded whithout buzzing and call feature works very well . Go for it ## Features - The board can be connected to two mobile phones (the only way: boot automatically back to the chain of the final match the phone, the penultimate pair of mobile phone to be manually connected) With call function, CSR8645 low power, power on, the default volume of the largest. - 5V power supply, the maximum power drive double 4 oh 3W ; 6.5V power supply, the maximum power drive double 4 oh 5W - VCC and GND for the power supply feet, LN (-) and LP (+) then the left speaker, RN (-) and RP (+) then the right speaker COM is the common point of the key, the other end of the key are then VOL +, VOL-, PREV, NEXT, PLY M + and M- are the positive and negative of the microphone - Upgraded Version With Amplifier ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B075YSHN92 | | Best Sellers Rank | #174,565 in Electronics ( See Top 100 in Electronics ) #301 in Hi-Fi Amplifiers | | Brand | xcluma | | Brand Name | xcluma | | Customer Reviews | 3.4 out of 5 stars 17 Reviews | | Importer Contact Information | Bytesware Electronics, Bangalore-35, IN, sales@xcluma.com | | Manufacturer | Imported | | Maximum Supply Voltage | 5 Volts | | Minimum Supply Voltage | 5 Volts (DC) | | Model Number | BE-001372 | | Mounting Type | Surface Mount | | Number of Channels | 2 | | Output Power | 5 Watts | | Voltage | 5 Volts | ## Product Details - **Voltage:** 5 Volts - **Manufacturer:** Imported - **Maximum Supply Voltage:** 5 Volts - **Minimum Supply Voltage:** 5 Volts (DC) - **Mounting Type:** Surface Mount ## Images ![XCLUMA Bluetooth 4.0 CSR8645 v3.2 Amplifier Board APT-X Stereo Receiver Amp Module Audio Amp Lossless w/Call Function - Image 1](https://m.media-amazon.com/images/I/61aU+DqRAQL.jpg) ![XCLUMA Bluetooth 4.0 CSR8645 v3.2 Amplifier Board APT-X Stereo Receiver Amp Module Audio Amp Lossless w/Call Function - Image 2](https://m.media-amazon.com/images/I/41rFKhRHP6L.jpg) ![XCLUMA Bluetooth 4.0 CSR8645 v3.2 Amplifier Board APT-X Stereo Receiver Amp Module Audio Amp Lossless w/Call Function - Image 3](https://m.media-amazon.com/images/I/412+LsHXmDL.jpg) ![XCLUMA Bluetooth 4.0 CSR8645 v3.2 Amplifier Board APT-X Stereo Receiver Amp Module Audio Amp Lossless w/Call Function - Image 4](https://m.media-amazon.com/images/I/51wQ7LUeUgL.jpg) ![XCLUMA Bluetooth 4.0 CSR8645 v3.2 Amplifier Board APT-X Stereo Receiver Amp Module Audio Amp Lossless w/Call Function - Image 5](https://m.media-amazon.com/images/I/51OCeWCm6YL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Costly bt quality product *by M***. on 30 November 2025* It's best, work in very lower voltage 🥹 ### ⭐⭐⭐⭐⭐ Best product ever *by P***A on 12 June 2021* The board was amazing i sonded whithout buzzing and call feature works very well . Go for it ### ⭐⭐⭐⭐⭐ Very useful *by M***N on 31 January 2026* Nice product, packing is Good ## Frequently Bought Together - XCLUMA Bluetooth 4.0 CSR8645 v3.2 Amplifier Board APT-X Stereo Receiver Amp Module Audio Amp Lossless w/Call Function - Electronic Spices TPA3110 Dual Channel Stereo Digital Audio Amplifier Board 15W + 15W Class D Digital Power Amplifier Module - Electronic Spices Kcx Bt002 Bluetooth 4.2 Wireless Stereo Audio Receiver Circuit Module Pack of 1pcs --- ## 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/93972111-xcluma-bluetooth-4-0-csr8645-v3-2-amplifier-board-apt](https://www.desertcart.co.uk/products/93972111-xcluma-bluetooth-4-0-csr8645-v3-2-amplifier-board-apt) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-20*