The Sansui AU-999 is an integrated amplifier produced in the 1970s, esteemed for its engineering and sound quality. It features a classic amplifier design with a warm and rich sound profile, making it a favorite among audio enthusiasts. With a robust build, the AU-999 uses a combination of discrete components and high-quality materials, contributing to its longevity and performance. This model is capable of delivering a power output of around 80 watts per channel into 8 ohms, ensuring it can drive a variety of speakers effectively. The amplifier supports a range of inputs, including phono inputs for turntables, line level inputs, and even tape monitor capabilities. Additionally, it includes tone control options for bass and treble, allowing users to tailor their listening experience. The AU-999 also incorporates a loudness control feature, enhancing lower volume listening without losing detail. Another notable aspect is its signal-to-noise ratio, which helps maintain audio clarity even at higher volumes. Its sturdy construction and sleek aesthetic also make it visually appealing, adding to its charm as a vintage piece in any audio setup.