The FiiO BTR1 is a wireless high-fidelity audio with DAC + aptX Bluetooth amp. It uses the high performing AK4376A DAC to perform digital decoding duties.
Compared to the typical Bluetooth integrated solution, its decoding capability (up to 384 kHz / 32 bit audio) as well as its output power and signal-to-noise ratio are all noticeably better.
It supports for Bluetooth 4.2 and voice calls, be compatible with Android and iOS devices, as well as TRS and TRRS CTIA headphones, 8 hours battery life, all of this ensures a stable, high quality and convenient experience.
* The BTR1 integrates an advanced D/A converter, the AK4376A.
The X5 3rd gen is equipped with two top-of-the-line AKM AK4490EN DACs, one for each Channel. The AK4490EN is a part of a new generation of high-quality 32-bit DACs that supports all PCM and DSD formats. By using a dual-channel implementation of AKM's unique VELVET SOUND low-distortion architecture that includes digital filtering with 32-bit processing, the DAC chips in the X5 3rd gen have the ability to finely and exactly reproduce your music.