The Kenwood KA-400 is a vintage integrated amplifier that offers robust audio performance suitable for a variety of listening environments. It is part of Kenwood's lineup known for delivering quality sound, featuring a solid build and functional design. This model typically provides a power output of around 30 watts per channel into 8 ohms, which is adequate for driving a range of speakers while maintaining audio fidelity. The amplifier includes multiple inputs, allowing users to connect various audio sources, including turntables, CD players, and other components. It also features tone control, which enables users to adjust bass and treble levels according to their preferences. The design of the KA-400 is characterized by a black metal chassis with a simple yet functional layout of knobs and switches, emphasizing ease of use. As it is a vintage model, the KA-400 is also appreciated for its classic aesthetics and is often sought after by audio enthusiasts.