订阅每周 HiFi 精选 — 新设备、好文推荐与优惠信息。
The Sansui QS-500 is a quadraphonic stereo decoder released in the mid-1970s. This unit was designed to provide an immersive sound experience by decoding quadraphonic audio signals into a format that can be played through standard stereo systems. It features a range of controls for adjusting balance...