The Kenwood KA-4000 is an amplifier that was produced by Kenwood in the late 197...
The Kenwood KA-4000 is an amplifier that was produced by Kenwood in the late 1970s. It is a solid-state integrated amplifier with a power output of around 30 watts per channel. The KA-4000 is a part of Kenwood's KA series of amplifiers.