Aune BU2

The Aune BU2 is a portable DAC and headphone amplifier that extracts excellent HiFi sound from your playback device, making it suitable for both home and on-the-go use. Music sources such as iPhone, Android smartphone, tablet, notebook, PC, or Mac can be connected to the Aune BU2 via USB cable or Bluetooth. The Aune BU2 features a 3.5 mm and a balanced 2.5 mm jack for connecting headphones or earphones. A 2.5 mm to 4.4 mm adapter is included, allowing compatibility with balanced headphones that have a 4.4 mm plug. All functions can be easily operated via the practical rotary knob on the Aune BU2: adjusting the volume, selecting the input source, and choosing the digital filter for sound adjustment. The display shows information such as volume level, battery status, the input source being used, and the selected digital filter. A USB-C to USB-C cable is included for connecting Android devices to the BU2. A USB-C to Lightning adapter is provided for connecting an iPhone. To charge the battery and for use with a computer, a USB-A to USB-C cable is included. The BU2 has a built-in battery with a runtime of nine hours, ensuring that it does not drain your smartphone's battery. The Sabre ES9318 Dual-DAC, along with four independent amplifiers, delivers a natural, detailed, and musical sound. Bluetooth 5.0 ensures stable, error-free wireless signal transmission, providing top-notch Bluetooth sound. The volume control with R2R technology allows for precise volume adjustment without compromising dynamic range. Thanks to its compact design and lightweight, the Aune BU2 fits easily into a pocket and can be used anywhere to bring HiFi sound to your music playback devices.