LINEAR/NORTEK SNT00364 Keychain Alarm Activator/Deactivator HARDWARE 2 Mic Inputs with +48v Phantom Power - The 2 mic ins are perfect for vocals and other mic'd sources, with +48v Phantom Power to drive the finest microphones. Use them for mono or stereo sources, and tone process them together or separately 2 Guitar/Bass Inputs - use the high gain input for guitars and basses with high level pickup outputs, or the normal input Stereo Line Inputs for your line out level gear Stereo Digital Output S/PDIF via RCA