FIIO BTR3 CSR8675 4.2 AptXLL Portable Wireless Bluetooth Audio Receiver High-Fidelity Bluetooth Headphone Amplifier


Listening to new possibilities

Support all wireless sound formats Bluetooth audio codec indicator

Supports USB DAC functionality CSR8675 Bluetooth chip One-touch NFC

Unmatched Bluetooth format support

The BTR3 is the first Bluetooth amplifier in the world to support all current wireless audio codes-such as AAC, SBC, aptX, aptX Low Latency, aptX HD, LDAC, and LHDC. This robust format support will ensure great sound quality to give your headphones new life, and to allow them to once more to resonate with you emotionally.

Unique Bluetooth audio codec indicator light

SBC: Blue light Flashing, aptX HD: Yellow light flashing

AAC: Cyan light Flashing, LDAC/DAC: White light flashing

aptX/aptX low latency: Purple light flashing,LHDC: Green light flashing

Best-in-class Bluetooth performance paired with a powerful audio core

The Qualcomm CR8675 Bluetooth chip used in the BTR3 is a premium low-power solution designed for enhanced audio applications with support for 24-bit transmission and processing, thanks to its 120MHz DSP. This chip is also much more stable in signal strength than other competing chips, especially in situations with lots of interference.

High-performance independence AK4376A DAC

The AK4376A DAC in the BTR3, with its extremely low-107 dB distortion and extremely high 124 dB Signal-to-Noise ratio, means that you will be able to catch every last nuance and detail in your music.

11 hour of continuous pleasure

The 300 mAh battery in the BTR3 takes only 1.5 hours to fully charge but allows for a lengthy 11 hours of playback!

"Quoted playback time based on using the AAC codec"

Built-in microphone with Qualcomn cVc noise cancellation technology

The Built-in amplifier in the BTR3 not only ensures your music sounds good, but that you calls to to. To further enhance your calling experience, BRT3 is also equipped with Qualcomm's cVc noise cancellation technology, which automatically adjusts the microphone and actively suppresses background noise so that you call comes through as clear and audible as possible.

Volume control for even finer adjustments to your music

When a smartphone is paired with the BRT3, the phone's volume is adjusted independently from the BTR3's own volume control, giving your two sets of volume controls for even greater precision over deciding your desired volume. Also, the BTR3 remember the volume level you last used it at, so no need to constantly reset your volume after simply turning the device off.

NFC,Simple one-touch NFC pairing

The BTR3 can be paired to other compatible devices with just a simple tap using the NFC wireless short-range communication protocol, entirely avoiding the cumbersome traditional pairing process.

Smart assistant helps keep the music playing

Call up Siri in IOS whenever you want simply with a double click of the multifunctional button the BTR3.

Drive, but without the stress

When driving, you can connect your smartphone to the BTR3 to your car's audio system via a 3.5mm audio cable, Not only does the BTR3 now allow you to enjoy your music through your car's speaker, but you can also more safely answer calls, hands-free.

Rejuvenate your home theater system

Does your older home theater system have no Bluetooth connectively? No problem. Simply connect your Bluetooth source to the BTR3, and then connect the BTR3 to your home audio system with a 3.5mm audio cable. Voila, your wired home theater system is now fully capable of playing wireless Bluetooth music.

Get up and going quickly with Fast Pair

The BTR3 supports the Fast Pair Bluetooth functionality, which allows you to instantaneously pair your BTR3 with your Android device by just holding the multifunctional button and tapping on a notification on your device.

Even more new possibilities through a remote-control app

After installing the FiiO Music app on your device, the BTR3 can be remotely controlled with the following functions:

Channel balance

Switch between 4 kinds of audio filters

Battery life remaining with 10 indicator levels


An artisan's touch

The aluminum alloy body wrapped in 2.5D glass like that used in the latest smartphones,

the oleo phobic coating that keeps off fingerprints, the high contrast black lettering and the smooth texture give the compact BTR3 an elegant look that would not be out of place in a specialty artisan's shop.

Wear it the way you want it

It's easy to carry around the BTR3 with either of two methods: hanging from a land yard or attached via the rear clip. The rear clip is specially designed to be able to hang on to most surfaces so you can spend less time figuring out how to take the BTR3 with you.

The BTR3 is suitable for use with light exercise only.

With strenuous exercise, the greater amount of sweat may damage the device.


Supported Audio Formats: AAC, SBC, aptX, aptX Low Latency,

aptX HD, LDAC, and LHDC

Bluetooth chip: CSR8675

Independence DAC: AK4376A


pairing Button :Yes

Volume Button: Yes

Transmission Distance: 10m (at open area)

Status Indicator Light: RGB light indicates the input Bluetooth, audio codec, charging and working status

Hands-free call/Mic: Yes

Call up Siri in IOS: Yes

NFC: Yes

Headphone Output: 3.5mm stereo jack

USB Port: Type-C

Battery Capacity: 300mAh

Charging Time: 1.5h

Dimensions: 58*25*10.4mm ( excl.back clip)

Weight: About 25g



USB cable


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Due to the impact of the COVID-19 pandemic, global international shipping will delays. The delay at our Hong Kong post office is very serious, so we have changed to other fastest or most efficient international shipping. Now the normal estimated delivery time may be delayed by about 1-2 weeks. In some countries where is higher free-tax rate, we will provide free courier service as much as possible.

Free Shipping

All listed items will be shipped though Registered Airmail with tracking number if there is no extra shipping method option listed or shipping description in the product page.

Economy shipping: Will be shipped without tracking number.

Registered Airmail : Will be shipped via such as Hong Kong post , Deutsche Post , Netherlands Post , Singapore Post, you can leave us a message if you have any requirement about the shipping method .

It will be shipped via Hong Kong Post by default, Europe countries can choose to be shipped via Deutsche Post or Netherlands Post, it is also FREE, pls leave us a message if needed.

Express service: Will be shipped via DHL/EMS/UPS/FedEx

  • Views: 8077
  • Brand: FiiO
  • Product Code: BTR3
  • Availability: In Stock
  • $69.99

Tags: FIIO BTR3, Bluetooth