The Aiwa SA-A 22 is a stereo amplifier that was part of Aiwa's audio equipment lineup, known for delivering quality sound performance suitable for various audio setups. It is characterized by its robust construction and user-friendly interface, making it an appealing choice for both casual listeners and enthusiasts. The amplifier typically features multiple input options, allowing users to connect various audio sources, such as CD players, turntables, and tape decks. The SA-A 22 may include tone controls, which allow for customization of bass and treble frequencies according to user preference. Additionally, it often provides a headphone output for private listening and speaker outputs to drive passive speakers efficiently. The design usually reflects a classic styling, fitting well in different home audio environments. Specifications may include a power output of around 20-30 watts per channel, depending on impedance, and typical frequency response to deliver clear, balanced sound across most listening ranges.