Spacetech KM-228pro STEREO Mic Mixer Karaoke 4Mic input SILENT DIGITAL ECHO. The item “Spacetech KM-228pro STEREO Mic Mixer Karaoke 4Mic input SILENT DIGITAL ECHO” is in sale since Saturday, November 6, 2021. This item is in the category “Musical Instruments & Gear\Karaoke Entertainment\Karaoke Mixers”. The seller is “nerds-logic” and is located in Redondo Beach, California. […]