☆ This sound mixer is stable lightweight small and elegant which is suitable for company stage families and KTV rooms. Features: With stable quality portable artistic small and exquisite. Suitable for company stage home KTV rooms etc. Connect front of amplifier to input and control host. Dual Microphone inputs video input and sound output for video signal volume can be adjusted individually. Reverberation delay function and audio inputs/outputs for left/right channel Volume frequency regulation. Volume frequency regulation. Specifications: Supply: plug (Input: 110-240V 50/60Hz; Output: 12V 250mA) Working Voltage: 9V-12V Total Harmonic Distortion: <0.5% @ 1KHz Color: Silver Gold Black(Optional) Item Size: 14 * 8.5 * 4cm / 5.5 * 3.3 * 1.6in Item Weight: 170g / 6oz Package Size: 20 * 16.5 * 6cm / 7.9 * 6.5 * 2.4in Package Weight: 395g / 13.9oz Package List: 1 * Karaoke echo sound mixer 1 * adapter plug 1 set of audio cable 1 set of video cable