The Aune BU1 is a high-end portable DAC with integrated headphone amplifier, designed to provide the best sound reproduction. It thus supports high sampling rates, up to PCM 32bit 768kHz and DSD512. The amplification section benefits from a particularly efficient discrete architecture. In addition, the device offers perfect compatibility with Apple and Android devices and will, therefore, adapt to each other's hardware.
Technical characteristics of AUNE BU1 Hi-Res Portable DAC
Input: 1x Micro USB (DAC)
Outputs: 1x Jack 3.5mm (Line output)
1x Jack 3.5mm (Headphone output)
Supported sampling rates (Micro USB input)
PCM up to 32bit 768kHz
DSD up to DSD512
Output level (Line output): 2Vrms
SNR (Line output): 120dB
THD+N (Line output): 0.00076%
Output power (Headphone output): 30mW @ 300Ω
THD+N (Headphone output): 0.0009%
Case Material: Brushed Aluminium
Color: Gold and brown
Dimensions (LxPxH): 65 x 126 x 18mm
1x Aune BU1
1x USB cable
1x USB-C to Micro USB cable
The best partner for your smartphone
As smartphones support increasingly high audio file resolutions and online music is becoming more and more abundant, the use of a Hi-Res DAC with headphone amplifier has become an essential requirement for anyone who wants to enjoy their music in high quality. Thus, connected to the BU1, your smartphone instantly becomes a Hi-Res audio player.
A rigorous selection of components
High-quality SR PCBs for optimal signal transmission and high-frequency reproduction, high precision BI film potentiometer, ultra-low jitter clock for higher sound purity or ceramic COG capacitors for lower distortion level, the BU1 does not leave room for the chance!
Layout by the designer of the classic Bl. Output distortion is as low as 0.00076%. Dark background, rich details.
The tuning is based on real instrument sounds and musical content referencing, resulting in a signature that is natural and full of musicality.
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