The Kenwood KA-3700 is an integrated amplifier produced by Kenwood in the 1970s. It has a power output of 40 watts per channel into 8 ohms and features a warm, rich sound profile. The amplifier typically includes several inputs for connecting various audio sources, including a phono stage for turntables. It also features tone controls for both bass and treble adjustments, a loudness switch, and a headphone output. The design generally boasts a classic and durable construction with a metal chassis and wood veneer side panels, embodying the aesthetics of its era.