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FiiO BTR3K Wireless Bluetooth Portable Headphone Amplifier & USB DAC with Mic

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FiiO BTR3K Wireless Bluetooth Portable Headphone Amplifier & USB DAC with Mic

  • Balanced 2.5mm and 3.5mm output

  • Supports Bluetooth 5.0

  • High-performance dual AK4377A DAC

  • Qualcomm CSR8675 flagship quality bluetooth capabilities

  • Supports LDAC/aptX HD/aptX LL lossless Bluetooth codecs

  • Supports pairing to 2 devices simultaneously

  • Type-C port for charging and USB DAC functionality

  • Approx. 11 hours battery life

Special Price $80.00

Regular Price: $119.00

Save 33 %

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Special Price $80.00

Regular Price: $119.00

Save 33 %



Captivating you through your fingers

Silky smooth surface

The aluminum alloy body wrapped elegantly in an arc of 2.5D glass like that used in the latest smartphones, the oleophobic coating that keeps off fingerprints, the high contrast black lettering and the smooth texture give the compact BTR3K an elegant look that would not be out of place in a specialty artisan's shop.

Now with balanced and SE output

Incredible performance gains

Building off of what made the BTR3 so good, the BTR3K implements balanced output. It is a truly balanced design, with a DAC and amplifier carefully paired for the left and right channels each, for the purest sound possible.

Robust, full-bodied sound

High performance AK4377A DACs

With two high-performance AK4377A DACs, the power output has increased by 50% compared to the AK4376 used in the BTR3 as well as greatly improved measurements and actual sound.

Independent dual crystal oscillators for accurate audio reproduction

The dual crystal oscillator system in the BTR5 also comes to the BTR3K! The 22.5792M/24.576 MHz dual crystal oscillators mean that during Bluetooth and USB decoding, the BTR3K can more accurately reproduce audio signals under various sampling rates – due to greatly reduced jitter and greatly increased audio stability.

A robust inner core

Qualcomm CSR8675 Flagship-level Bluetooth abilities

The Qualcomm CSR8675 Bluetooth chip used in the BTR3K is a premium low-power solution designed for enhanced audio applications, with a 120 MHz DSP, support for 24-bit transmission and processing as well as abilities to decode multiple lossless Bluetooth codecs. No matter whether you watching videos, listening to music, or enjoying your favorite game, this chip will ensure you get excellent sound quality.

Speedy Bluetooth connection

The BTR3K upgrades to Bluetooth 5.0, which means faster pairing and more stable signal strength for a better overall experience. It fully supports AAC/SBC/aptX/aptX LL/aptX HD/LDAC audio formats that you’ll get the best sound quality possible from the BTR3K.

An extremely useful little light

With so many Bluetooth formats being used in various places, the RGB light indicator quickly tells you which format is currently being utilized.

  • Blue light: SBC
  • Cyan light: AAC
  • Purple light: aptX/aptX LL
  • Yellow light: aptX HD
  • White light: LDAC

Listen and charge with Type-C

You can listen while charging with the USB Type-C connector. As a matter of fact, the BTR3K takes only 1.5 hours to fully charge but allows for a lengthy 11 hours of playback!

Crystal-clear calls free of noise

The built-in amplifier in the BTR3k not only ensures your music sounds good, but that your calls do too. To further enhance your calling experience the BTR3k is not only equipped with omnidirectional microphone and phone controls, it is also equipped with the eight generation Qualcomm's cVc noise cancellation technology, which effectively suppresses background noise so that your call comes through as clear and audible as possible.

Flexibility specialist

Adapts to various kinds of wired headphones

The BTR3K can automatically tell what kind of headphones you plugged into it and adjusts its output accordingly. And when you plug in headphones with CTIA controls, you can use the microphone as well as the play/pause, volume, and track selection controls.

Great connection convenience

Supports pairing to 2 devices simultaneously

The BTR3K can be paired with and remember up to two Bluetooth devices at once, allowing for even more convenience.
Simply use whichever device you want to pair the BTR3K anytime without hassle!

Quick and convenient volume control

When you connect the BTR3K to your Bluetooth device, the device's volume and the BTR3k's volume can be adjusted separately, allowing you to better fine-tune the volume to your needs. The BTR3K also remembers your desired volume, so you don't have to adjust the volume to where you want it every time you use the device.

Give a holler when you need help

Simply use the BTR3K to call up your smartphone's assistant without even having to pull it out.

Intelligently puts your music at your fingertips

When your device is connected to the BTR3K and is using the FiiO Music app to play music, the BTR3K can be remotely controlled with the following functions.

Free to go with you wherever

You should be able to take your music with you wherever.

The BTR3K comes with a symmetrical, detachable rear clip that allows you to easily carry it around.

Use It Everywhere

  • Get your music on the road
  • Give your older speaker new life
  • Spice up your computer's audio

BTR3K DAC Amplifier in Car Use

Technical Specifications

Additional Information

Package Contents

BTR3K DAC/Amp, user manual, warranty card, USB Type-C cable, rear clip, lanyard

Web Reviews
Colour Black
Warranty 1 year (local)
Product Weight (g) 23.5
Availability Available
Product Type Amplifier (Headphone), DAC (Digital-Analog Converter), Portable Amplifier & DAC
Style/Type Portable
Features AAC, aptX, aptX HD, aptX Low Latency, Bluetooth, Dual Headphone Output, LDAC, LHDC, Microphone, NFC, SBC
DAC AKM AK4377A x 2 (Dual)
Sampling / Bitrate 48kHz/16bit
Frequency Response (Hz) 20~20kHz (aptX connection); 20~40kHz(LDAC connection)
Impedance (Ω) 16~100Ω (PO, BAL)
Signal-to-Noise Ratio (SNR) 122dB
Total Harmonic Distortion (THD) PO: <0.003% (LDAC 1kHz A-weighted); BAL: <0.002% (LDAC 1kHz A-weighted)
Output Power 78mW (balanced); 25mW (single-ended)
Battery Life (hrs) About 11 hrs
Input Connectivity Bluetooth, USB Type-C (USB-C)
Output Connectivity 3.5mm Stereo, 2.5mm Balanced / 4-Pole, 3.5mm Balanced / 4-Pole
Microphone Yes (Built-In)
Additional Tech Specs

Click to view official website for full Technical Specifications

User Reviews