The Yamaha TT-400 is a fully automatic belt-driven turntable that was produced between 1987 and 1994. It features a die-cast aluminum turntable which enhances stability and reduces vibrations during playback. The device can operate at two speeds: 33 1/3 RPM and 45 RPM, with synchronization fluctuations of ±0.045%. The TT-400 has a rumble noise ratio of 70 dB, ensuring minimal background noise during playback. It has a compact design, measuring 43 cm in width, 11 cm in height, and 37.5 cm in depth, and weighs 4 kg. The turntable is finished in a sleek silver and black color scheme and consumes 2 watts of power. Additionally, it includes remote control functionality for added convenience. This model is part of a series that includes the TT-300 and TT-500.