---
product_id: 325422424
title: "FiiO BTR3K Receiver Amplifier Bluetooth Headphone Amp High Resolution Support aptX HD/aptX LL/LDAC for Car Audio/Home TV/Speaker/Smartphones/PC (3.5mm/2.5mm Output)"
brand: "fiio"
price: "FREE"
currency: KGS
in_stock: false
url: https://www.desertcart.kg/products/325422424-fiio-btr3k-receiver-amplifier-bluetooth-headphone-amp-high-resolution-support
store_origin: KG
region: Kyrgyzstan
---

# Bluetooth 5.0 with aptX HD/LL & LDAC Dual AK4377A DAC for pristine sound 11-hour battery life for all-day use FiiO BTR3K Receiver Amplifier Bluetooth Headphone Amp High Resolution Support aptX HD/aptX LL/LDAC for Car Audio/Home TV/Speaker/Smartphones/PC (3.5mm/2.5mm Output)

**Brand:** fiio
**Price:** FREE
**Availability:** ❌ Out of Stock

## Summary

> 🎧 Elevate your audio game—wireless, powerful, and tailored for the discerning ear.

## Quick Answers

- **What is this?** FiiO BTR3K Receiver Amplifier Bluetooth Headphone Amp High Resolution Support aptX HD/aptX LL/LDAC for Car Audio/Home TV/Speaker/Smartphones/PC (3.5mm/2.5mm Output) by fiio
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/325422424-fiio-btr3k-receiver-amplifier-bluetooth-headphone-amp-high-resolution-support)

## 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

- • **All-Day Listening Power:** Enjoy up to 11 hours of uninterrupted playback on a single charge—perfect for work, travel, or home.
- • **Seamless Wireless Freedom:** Bluetooth 5.0 with aptX HD, aptX LL, and LDAC ensures lossless, low-latency streaming from any device.
- • **Smart & Convenient Controls:** USB Type-C DAC functionality, Siri integration, and in-line headphone controls keep you connected and in command.
- • **Customizable Audio Experience:** Fine-tune your sound with 8 DAC lowpass filters and a 10-band EQ via the intuitive FiiO Music app.
- • **Studio-Quality Sound Anywhere:** Experience crystal-clear audio with dual AK4377A DACs delivering balanced and single-ended outputs.

## Overview

The FiiO BTR3K is a compact, high-resolution Bluetooth headphone amplifier featuring dual AK4377A DACs, Bluetooth 5.0 with advanced codecs (aptX HD/LL, LDAC), and up to 11 hours of battery life. It supports balanced 2.5mm and single-ended 3.5mm outputs, offers extensive sound customization via the FiiO Music app, and integrates smart controls including Siri voice activation and USB DAC functionality, making it the ultimate companion for audiophiles seeking premium wireless sound on the go.

## Description

Black, mini amplifier

## Features

- CSR8675 Bluetooth 5.0 receiver designed to deliver studio-quality sound through your ears WIRELESS - using your existing wired headphones, earphones or even speakers.
- For greater power independent Dual AK4377A DAC and detail resolution,the BTR3K features both balanced 2.5mm and single-ended 3.5mm outpts.
- Can be remotely controlled via FiiO Music app to switch channel balance,8 different DAC lowpass filter and 10-band EQ
- New Type-C connector with USB DAC functionality+11 hour of continuous pleasure at a full charge
- Bluetooth indicator light +Call up Siri in iOS+In-line Control(in headphones with CTIA controls, you can use the microphone as well as the play/pause, volume, and track selection controls)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B085XT3V3X |
| Additional Features | Bluetooth 5.0, USB DAC, Siri Integration |
| Audio Input | 3.5mm AUX |
| Audio Output Mode | Stereo |
| Audio Output Type | Speakers, Headphones |
| Battery Weight | 15 Grams |
| Best Sellers Rank | #78,013 in Electronics ( See Top 100 in Electronics ) #125 in Headphone Amps |
| Bluetooth support? | Yes |
| Brand | FiiO |
| Built-In Media | Cable |
| Color | Black |
| Compatibility Options | smartphones, tablets, laptops, car audio systems, home TVs, speakers, wired headphones, earphones |
| Compatible Devices | Electronic devices with Bluetooth capabilities, such as smartphones, tablets and potentially some laptop models |
| Connectivity Technology | USB |
| Connector Type Used on Cable | Auxiliary, USB |
| Control Method | Touch |
| Control Type | Volume Control |
| Controller Type | IOS |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,400) |
| Hardware Interface | Bluetooth |
| Includes Remote | No |
| Installation Type | wireless |
| Item Type Name | amplifier |
| Item Weight | 24 Grams |
| Lithium Battery Weight | 2 Grams |
| Lithium-Battery Energy Content | 330 Watt Hours |
| Manufacturer | FiiO |
| Model Name | BTR3K |
| Number of Batteries | 1 Lithium Polymer batteries required. |
| Number of Channels | 8 |
| Number of Lithium-ion Cells | 1 |
| Rechargeable Battery Included | Yes |
| Supported Application | Any audio app that supports Bluetooth |
| Supported Media Type | bluetooth |
| Supported Standards | Bluetooth 5.0 |
| Unit Count | 1.0 Count |
| Wireless Compability | Bluetooth |

## Product Details

- **Brand:** FiiO
- **Colour:** Black
- **Connectivity technology:** USB
- **Item weight:** 24 Grams
- **Special features:** Bluetooth 5.0, USB DAC, Siri Integration

## Images

![FiiO BTR3K Receiver Amplifier Bluetooth Headphone Amp High Resolution Support aptX HD/aptX LL/LDAC for Car Audio/Home TV/Speaker/Smartphones/PC (3.5mm/2.5mm Output) - Image 1](https://m.media-amazon.com/images/I/71VsOYhuksL.jpg)

## Frequently Bought Together

- FiiO BTR3K Receiver Amplifier Bluetooth Headphone Amp High Resolution Support aptX HD/aptX LL/LDAC for Car Audio/Home TV/Speaker/Smartphones/PC (3.5mm/2.5mm Output)
- FIIO FH3 HiFi Earphones 3 Drivers (1 Dynamic + 2 Knowles BA), in-Ear Earphones High Resolution, Bass Sound, High Fidelity for Smartphone/PC/Tablet
- Linsoul Tripowin Zonie IEM Cable, 16 Core Silver Plated Earphone Upgraded Cords, 1.25m SPC in Ear Monitor Cable for 7hz Zero:2 Orchestra Lite Cadenza Hype4 Supermix4(2pin 0.78mm, 3.5mm)(Violet)

---

## 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.kg/products/325422424-fiio-btr3k-receiver-amplifier-bluetooth-headphone-amp-high-resolution-support](https://www.desertcart.kg/products/325422424-fiio-btr3k-receiver-amplifier-bluetooth-headphone-amp-high-resolution-support)

---

*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-10-31*