The Aiwa NSX-SZ50 is a compact disc stereo system that was released in the 1990s. It features a 3-disc CD changer, dual cassette player, AM/FM radio tuner, and a 2-way speaker system with a subwoofer. The system has a built-in graphic equalizer with preset sound modes and a bass boost function. It also has a headphones jack, timer functions, and a remote control. The Aiwa NSX-SZ50 was popular at the time of its release for its compact size and powerful sound output.