RetroRadio AM/FM Head Unit for 1978-83 Buick Regal — Bluetooth 5.0, HD, SiriusXM-Ready, 300W Mosfet (LB-M4-116-03-73B)

Assembly required. This modular-mount AM/FM head unit designed for 1978-83 Buick Regal delivers HD radio capability and an AM/FM tuner with 30 presets. It includes built-in Bluetooth (Version 5.0), two USB ports, and a dedicated subwoofer output for expanded connectivity. The unit is SiriusXM-Ready® (SXV300V1 tuner sold separately) and features an integrated Mosfet amplifier rated at 300-watt (peak power).