The Nakamichi SR-4 E is an integrated stereo amplifier that was part of Nakamichi's lineup. It features a clean, minimalist design typical of Nakamichi products, with a focus on high-quality playback. This amplifier is designed to deliver excellent audio performance with low distortion and a good signal-to-noise ratio. The SR-4 E has a power output of around 40 watts per channel at 8 ohms, providing sufficient power for most medium-sized listening environments. The unit includes multiple inputs for connecting various audio sources, along with tone controls for adjusting bass, midrange, and treble frequencies. It also has a phono input for connecting turntables, which enhances its functionality for vinyl enthusiasts. The build quality is robust, often featuring a metal chassis that helps to reduce interference, ensuring clarity in audio reproduction. Users appreciate its warm sound signature and ability to handle a variety of musical genres with ease.