Portable headphone amplifier. A P 200 P gives the owners of hi-fi headphones the chance to listen to music on their mobile devices without losing any sound quality. Amp connects to a mobile device or a computer with a USB or Lighting port (for Apple devices) and circumvents the signal processing of the connected player to receive pure digital data to play it back using its own interface. Headphones are connected via a 3.5 mm jack input, playback volume is controlled by a large central and playback is controlled using the three buttons on the side of the device. The battery lasts for 11 hours of playback at 24 bit resolution and 96 kHz sampling. Dimensions: 55 x 55 x 13 mm, weight: 51 g. It comes with Android / Apple / PC cables, attachable leather pouch, chargers, and rubber stickers for better volume control. This model is finished in black.