am fm aux perfect xa cassette deck needs to repair selling price only 5500 only for serious buyers vintage collectible item is a Panasonic RX-CT820 double cassette boombox stereo system. It features XBS (Extra Bass System) technology for enhanced low-frequency sound reproduction. While primarily a radio and tape player, similar vintage models have been modified to include modern functionality like Bluetooth. Would you like to know how to maintain or repair this vintage audio equipment?