Siso Q-520A Digital Karaoke Processor (110 Voltage). Built in RCA & Optical input & output, has 4 xlr & 1/4 inch microphone input, 8 xlr output 7.1, please message me if you have any question. This item is in the category “Musical Instruments & Gear\Karaoke Entertainment\Karaoke Mixers”. The seller is “kevinly32803″ and is located in […]