Please connect our Company’s karaoke machine’s yellow (V), white (L), and red (R) audio and video cables directly to the composite video jack of the TV. The purpose is to test whether or not the sound of the karaoke machine is being output. If there is sound then the amplifier is faulty. The Company does not produce amplifiers. Please ask the dealer where you purchased the machine from to repair the machine. If there is no sound then the karaoke machine is faulty please send it to a Service Center for repairs.
