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Aune BU1 Discrete Headphone Amp DAC [like new]

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Item Condition: excellent
Shipping Options: Pickup available but audition is not available.,Pickup available and you can audition.,Shipping is included in price.
Suburb or Town: East Killara
State: NSW
Payment Method: Paypal, EFT, Cash on Pickup etc
Reason for selling: NLR






  • Comes with box, manual and USB-C cable, tested work well on both Android and PC
  • Shipment within Australia included in price
  • Pick up Sydney Chatswood available 


Further Information





Lower distortion, higher fidelity

Fully Discrete Amp Circuit, Better Transient

Outstanding Balance Control, Ideal Duration



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/768k and DSD512 decoding ; the amp is fully discrete; supports Apple / Android portable devices / portable music player connection; can be used in multiple scenario

Lower distortion, higher fidelity

Your Smartphone`s Best Partner ( corresponding cable needed ) and distortion as low as 0.00076%. As smartphone supports higher resolution music files and the online music library grows larger, the portable Hi - Res with headphone amplifier is becoming a must for phone HiFi. Connected to the BU1 , your cellphone will instantly become a Hi - Res music player .

Easy connection

With darker background, the noise as low as 1.97uv. 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 discrete amp.

Reproduce the Master - Tape Level Music on Your Computer

Connect the bu1 and your computer to decode Pcm 768k and DSD512 . Then connect it active speakers or headphones . 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 PCB leads to better high frequencies ; the Bl conductive potentiometer leads to higher precision; the ultra-low-jitter oscillator leads to higher sound purity ; the ceramic capacitor leads to lower distortion..

Pure power supply , pure sounds

Positive and Negative Voltage Regulator Electrogenic Pump Leads to Wide Dynamic Range. The BU1 continues to use the classic positive and negative voltage regulator circuit. The circuit is ensured to stay in the best working condition. Thus the performance is maximized. USB decoding powered by internal battery.

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.

A Beautiful Work of Art

The chassis cut by from a whole block of aluminum , the no - screw design , the brushed 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 4000 mA 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 aune`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 1.97uV. 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.


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