VIDEOKE HS-668 KARAOKE AMPLIFIER MISSING KNOB. THIS ITEM WAS REMOVED FROM A WORKING ENVIRONMENT, TESTED, WORKING CONDITION. CUALQUIER PREGUNTA NO DUDE EN CONTACTARNOS. Please Check Pictures Above/ Por Favor de ver las fotos que se adjuntan. The sale of this item may be subject to regulation by the U. Food and Drug Administration and state […]