YAMAHA KP-300 NATURAL SOUND KARAOKE PROCESSOR MIXER w 2 Mic Inputs. The item “YAMAHA KP-300 NATURAL SOUND KARAOKE PROCESSOR MIXER w 2 Mic Inputs” is in sale since Thursday, September 19, 2019. This item is in the category “Musical Instruments & Gear\Karaoke Entertainment\Karaoke Mixers”. The seller is “tool_pros” and is located in Ballwin, Missouri. This […]