Features: Sing along with your favorite music. Hook-up the unit between your CD-player, MD-player or any other line-level source and your amplifier. RCA (cinch) inout and output sockets. With ¼” microphonejacks, fitrs most microphone + adj. microphone level + “vocal reduction”. Switch reduces original vocals on most stereo recordings + on/off switch & LED power indicator.

Specifications: Power supply 9V battery (not incl.). Low power consumption 16mA typ. Dimensions: 3.9”x 3.3” x 1.0”