USA-740 for 1956 Chevrolet Bel-Air. The USA-740 offers the same classic look that Custom Autosound has always been known for with today’s latest features. Bluetooth (microphone included), USB, 300-watts peak power, plus 4 channel RCA Pre-outs and a Subwoofer RCA pre-out for additional amplifiers. A front mini jack auxiliary audio input and a rear RCA auxiliary audio input provide versatility for options like satellite radio, I-pod or any portable player you wish to use. User selectable multiple LCD color choices with LCD dimmer control. The AM/FM RDS tuner shows station, song and artist on the LCD display. Compatible with optional CD-1 CD player. Classic style with today’s sound and performance.