The Sansui AU-X 501 is an integrated amplifier that represents a significant entry in the AU-X line. It features a dual power supply design and a fully discrete output stage, which contributes to its ability to deliver robust sound quality across a range of frequencies. The amplifier is rated at approximately 2 x 80 watts per channel into an 8-ohm load, with higher power outputs available at lower impedances. The unit integrates various tone control options including bass, treble, and a loudness function, allowing users to adjust the sound profile to their preferences. Additionally, it includes several input options, enabling connection to multiple audio sources. The AU-X 501 is noted for its solid build quality and classic styling, characteristic of the era's Sansui components. Its performance is tailored for both music listening and as part of a home theater setup, making it versatile for different audio applications.
