Karaoke Sound Mixer Dual Mic Inputs With Cable N-1 Color Black. Compact size karaoke sound mixer, lightweight and portable. Dual microphone inputs, and supports mic volume adjusting individually. With TONE and ECHO control knob for awesome vocal enchancement and sound shaping. RCA audio input(L & R) and output(L & R)jacks for connecting audio source and speaker/amplifier. Suitable for company, stage, families and KTV rooms, enjoy singing and have fun with it.