The Aune BU2 is one of the essential Amp/DACs in the firm's portable range.

With it, you can turn your smartphone into a true advanced music player, to take advantage of your entire music library.

It features Bluetooth, capable of decoding high-resolution codecs such as LDAC, and an internal dual DAC structure and four independent amplifiers, as well as R2R volume technology.

If you want to take your sound experience to its maximum exponent, discover everything the Aune BU2 can do for you. 

The Aune BU2, with the low-ripple positive and negative power pump circuit of the classic B1. It incorporates the two ES9318 DAC chips in parallel and the four independent amplifiers, so your headphones shine as they should.

The BU2 adopts two 45M/49M low-jitter oscillators, which are synchronized with the two DAC chips via the USB chip, producing a more natural and refined sound.

The smartphone/tablet or PC can be connected to the BU2 via Bluetooth.

Plug in your headphones and enjoy music with ease. High-quality Bluetooth and special tuning enable premium wireless streaming.

If you connect it to your computer, the DSD512 32-bit/768k master tape-level decoding contributes to a crystal-clear presentation on your PC.

All DAC/AMP settings are controlled from its knob, which also functions as a button. 

The Aune BU2 innovatively adoptsdynamic volume control technologycomposed of electronic switches and R2R ladder network.

At low volume, the R2R controls subtle volume with exactly matched resistance, improving the signal-to-noise ratio making every detail present.