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FiiO BTR3K Portable Bluetooth Amplifier

FiiO BTR3K Portable Bluetooth Amplifier

CL SKU 35870
$ 139 .95

Or 6 Weekly payments from NZD $23.32 what's this?

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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 gives the compact BTR3K an elegant look that would not be out of place in a specialty artisans shop

Now with balanced SE output incredible performance gains

Building off 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

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 use 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

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 which means that you’ll get the best sound.

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.

Cystal-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.

Great connection convience

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!

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!

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.



Amplifiers - Headphone Amp/DAC Combos



Part Number



1-Year Warranty

Digital to Analogue Conversion

DAC Chip


External I/O

USB-C 3.1 Gen 1


Audio Output (3.5mm)


Balanced Audio Out (2.5mm)