Support pure recording or mixing, alternatively used for independent PC or family recording connection device. Support a variety of sound cards (PC integrated sound card, external independent USB sound card). Support two sets of microphone input (6.3mm TRS), enable the simultaneous double singing function. Support a set of output (headphone or speaker). Support high-quality microphone amplifier, support multimedia microphone, dynamic microphone, self-powered capacitor microphone. Two sets of control knobs, one for microphone volume, and the other for reverb volume. A set of Music-In RAC stereo jacks, a set of Music-Out RCA stereo jacks, a set of video I/O RCA jacks. Audio I/O: RCA stereo jack. 1 X Mini Karaoke sound console. 1 X 3.5mm AUX Cable. 2 X 3.5mm(female) to RCA. 1 X Power Adapter.