VocoPro DA-9808-RV 600W with 24-bit DSP Mic Effect, HDMI and Optical Input Mixin

So, you can sound like you are singing from the best sounding karaoke venue worldwide. The DA-9808-RV has the answer; a dedicated DSP effect design for karaoke. Custom designed 24-bit DSP chip with stereo echo, repeat, delay, reverb, and hiss filtering.

eBay