The Kenwood MC-501 is a stereo power amplifier that was manufactured by Kenwood in the past. It is designed to provide high-quality audio amplification for music playback. It has a power output of 125 watts per channel into 8 ohms and 190 watts per channel into 4 ohms. The amplifier features various input and output connections, including RCA inputs and speaker outputs. The MC-501 is known for its solid build quality and reliability.