The Kenwood KA-660 is an integrated amplifier that was released in the late 1970s. It features a sleek design typical of its era, often coming in a silver or black finish with aluminum front panels. The amplifier is characterized by its powerful output and solid build quality, making it suitable for driving a variety of speakers. With a power output of approximately 70 watts per channel into 8 ohms, the KA-660 can produce ample sound to fill most listening environments. Additionally, it includes multiple inputs for different audio sources, such as phono, aux, and tape. The amplifier also offers tone controls, allowing users to adjust bass and treble to their liking. The KA-660 is equipped with a protection circuit to safeguard both the amplifier and connected speakers from damage. Overall, it stands out for its balance between audio performance and usability, appealing to vintage audio enthusiasts.