The Pro-Ject Head Box DS2 B is a high-quality headphone amplifier designed to deliver excellent audio performance. It features a fully discrete output stage, which ensures that the sound remains clean and dynamic, avoiding distortion even at high volumes. The device is compatible with various headphones due to its adjustable gain settings. The input section includes both RCA and USB-C inputs, allowing for versatile connectivity options. It supports a range of formats and sampling rates, making it suitable for diverse audio sources. The compact design lends itself to easy integration into different setups, and the robust build quality enhances its longevity.