Check the listing for details. MDB-USB USB Stereo Direct Box. Condition: Open box. Listed at 152.89 USD. With the bus-powered MDB-USB Stereo DI, the days of relying on your headphone jack to get audio from a computer into analog gear are over. Combining a high-resolution audio interface with a noise and distortion-free stereo DI, MDB-USB converts your digital audio into clean, balanced, stereo output. Featuring an output level control, headphone output, and mono sum for maximum versatility. Analog outputs are dual XLR with ground lift. Features at a GlanceConnects your computer directly via USBHigh-resolution 24-bit/96kHz interfaceBalanced, low-impedance XLR outputs with Ground LiftOutput level control with Mono switch Headphone output for easy monitoring Noise-free operation Powered by your computer Plug-and-play operation, no driver required Built-Like-A-Tank construction Get the best sound.