The Kenwood KR-3400 is a solid-state stereo receiver that was part of Kenwood's product lineup during the 1970s. It features a power output of 40 watts per channel into 8 ohms, making it suitable for driving a variety of speaker systems. The receiver is equipped with a built-in AM/FM tuner and offers a wide frequency response of 20 Hz to 20 kHz, delivering clear audio reproduction across the typical audible range. Its design includes multiple inputs for connecting external devices such as turntables, tape decks, and other audio sources. The KR-3400 also incorporates tone controls for bass and treble, as well as a balance control to adjust the audio output between left and right channels. The construction features a classic aesthetic with a metal chassis and analog dials, contributing to its vintage appeal. Overall, the KR-3400 is appreciated by enthusiasts for its reliability and performance in everyday audio applications.