The Marantz 2440 is a versatile stereo receiver that was introduced in the late 1970s and is part of Marantz's line of audio electronics. It features a power output of 40 watts per channel into 8 ohms, which allows it to drive a variety of speakers with good performance. The receiver offers a range of audio inputs, including phono, auxiliary, and tuner, making it suitable for connecting turntables, cassette decks, and radios. It has a signal-to-noise ratio of 85 dB, providing clear audio playback with minimal background noise. The Marantz 2440 also includes tone controls for bass and treble adjustment, a balance control, and a loudness function, enhancing the listening experience based on user preferences. The design of the Marantz 2440 features a classic silver faceplate with blue illuminated dial and toggle switches, maintaining a vintage aesthetic that appeals to collectors and audio enthusiasts. The receiver is also equipped with AM/FM radio capabilities, complete with presets for quick access to favorite stations.