Overview:8 channel 3D external sound pocket Supports 48/44.1 KHz sampling rate for both playback & recording Features 8 channel DAC output with 16-bit resolution & 2 channel ADC input with 16-bit resolution Has the connections for you to add more speakers for an immersive audio experience Control the volume via the volume up & down buttons Connect multiple microphones via the microphone jacks. USB (Universal Serial Bus) 2.0 interface USB audio device class spec. 1.0 & USB (Universal Serial Bus) HID class spec. 1.1 compliant Comes with a drive CD & a USB (Universal Serial Bus) cable Specification: Weight Approx:144.6g Size Approx:12.6 x 6.3 x 2.5