Apogee Breakout Box Duet 2, accessory for Duet 2, solidly built, aluminum breakout box with 2 6,3mm jack inputs, 2 XLR inputs (for 2 simultaneous channels of input) and 2 balanced XLR outputs, features studio-quality I/O connectors, includes a 2 meter cable allowing you to extend your input and output connections away from your desktop and minimize cable clutter, Note: the breakout box does not enable extra inputs or outputs. Whether you are using the breakout cable or breakout box Duet 2 is capable of 2 channels of analog input (mic, line, or instrument) and 4 channels of analog output (left/right headphones and left/right monitor outputs)