Karaoke Sound Echo Mixer KTV Effect Reverb Microphone Preamp Home Audio DVD System (Silver) Karaoke audio mixer with two microphone inputs and sound quality adjustment functions. Since it has microphone inputs, you can connect a microphone directly and use it. It also has an echo function, and has video input and output, making it ideal for karaoke. It has only been used about 1-2 times. There is some slight dirt on the bottom, but it is almost new. About this product Model Name: Karaoke Sound Mixer - Volume adjustment: MIC VOL1, MIC VOL2, TONE, ECHO - Input terminals: MIC1, MIC2 ★ Connect RCA phono for audio and video, and you can achieve excellent voice quality improvement and sound shaping. ★ High quality, portable, artistic, small, and exquisite. ★ Perfect for companies, stages, homes, karaoke, etc. ★ With volume adjustment function, you can adjust freely. Type: Karaoke sound mixer Power supply: Input: 110-240V, 50/60Hz; Output: 12V, 200mA Rated voltage: 9V-12V Total harmonic distortion: 0.5KHz @ 1KHz Color: Silver Size: 14 * 8.5 * 4cm Weight: 170g [Included items] 1 * Power adapter 1 * Audio cable set 1 * Video cable set Thank you for viewing.