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AUNE BU1 DSD512 32Bit/768k Fully Discrete HiFi Portable USB DAC Headphone Amplifier


Fully discrete Hi-Res Multi-Scenario

The BU1 is a high quality portable DAC with headphone amplifier that purely focuses on sound quality, it supports up to 32bit/768h and DSD512 decoding, the amp is fully discrete, supports Apple/Android portable devices/portable music player connection, can be used in multiple scenarios.

Your smartphone's best partner (corresponding cable needed)

As smartphone supports higher resolution music files and the online music library grows larger, the portable Hi-res DAC with headphone amplifier is becoming a must for phone hifi. Connected to the BU1, your cellphone will instantly become a Hi-res music player.

Add the special taste of fully discrete to your DAP

The BU1 supports connection with portable music players via USB; try the special taste of the fully discrete amp.

Reproduce the master-tape level music on your computer

Connect the BU1 and your computer to decode PCM768K and DSD512, and then connect it to active speakers or headphone s, a vivid music scene will be presented to you.

Enjoy higher fidelity phone entertainment

Watch concert videos and movies and play games on your phone with the BU1, higher fidelity, more enjoyment.

Rigorous hardware selection

The communication level SR series PCS leads to better high frequencies, the BI conductive film potentiometer leads to higher precision, the ultra-low-jitter oscillator leads to higher sound quality, the ceramic COG capacitor leads to lower distortion.

Positive and negative voltage regulator electronic pump leads to wide dynamic range

The BU1 continues to use the classic B1S' positive and negative voltage regulator circuit, the circuit is ensured to stay in the best working condition, thus the performance is maximized.

Fully discrete amp circuit, better transient

The BU1 uses the amp circuit that is DC-feedback and fully discrete, resulting in the extended frequency response and excellent transient, ON high -performance transistor applied, better high frequencies.

A beautiful work of art

The chassis cut by CNC from a whole block of aluminum , the no-screw design ,the brushes finish , the concentric knob/buttons , BU1 ,a beautiful work of art with excellent details .

Outstanding balance control, ideal duration

Current/driving ability/size/performance are in proportion , The BU1's 4000ma battery guarantees ideal current , performance and great sound quality , in the compact body , the duration reaches 8 hours (measured at low gain , paired with the IE80)

Aesthetic design

The design philosophy of symmetry and balance, together with the element of anue's logo rounded letters, gives it great aesthetics.

Excellent specifications

Layout by the designer of the classic B1, output distortion is as low as 0.00076%, noise is as low as 1.97,dark background , rich details

Professional tuning

The tuning is based on real instrument sounds and musical content referencing, resulting in a signature that is natural and full of musicality.


USB input

Maximum bit depth:32bit

Maximum sampling rate: 768k

Maximum DSD rateDSD512

Line output

Output level: 2.0 Vrms

SNR: 120dB

THD+N: 0.00076%

Headphone output

Output power:[email protected]

THD+N: 0.0009%



USB cable

Type-C to micro 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: 7670
  • Brand: AUNE
  • Product Code: BU1
  • Availability: In Stock
  • $299.00

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Tags: AUNE BU1