The Sansui AU-α 505 RX is an integrated stereo amplifier that was released as part of Sansui's Alpha series. This model is recognized for its powerful output and versatile connectivity options. It features a robust design characterized by a sleek chassis that emphasizes both functionality and aesthetics. The amplifier delivers a clean and dynamic sound, making it suitable for various audio setups. Its specifications typically include a power output of around 100 watts per channel at 8 ohms and a wide frequency response, allowing for detailed audio reproduction across different ranges. The unit includes multiple inputs for connecting various sources such as CD players, turntables, and tape decks. Additionally, it often comes with tone controls and options for speaker selection, enabling users to customize their listening experience. The construction quality is generally high, with a focus on durability and performance, making it a reliable choice for audio enthusiasts.