JoeCo BBP1B - BlackBox 24-Track Digital Player (Balanced Analog)With 24 channels of balanced analogue I O, the BBP1B is designed for use with mixing consoles that have balanced insert points or balanced group outputs. Multi track playback you can depend upon. When you require mission critical playback that absolutely cannot fail, you can rely on JoeCo's BLACKBOX Multi Channel Player. This multi channel player available in a variety of formats provides a solution for live performance playback in a compact 1U rack