RetroRadio LB-M4-216-37-73G1 — Compatible with 1973-87 GMC C/K Series Trucks | AM/FM HD, Bluetooth (Version 5.0), SiriusXM-Ready

Designed for 1973-87 GMC C/K Series trucks, the RetroRadio LB-M4-216-37-73G1 ships with assembly required and a modular mounting setup. It features an AM/FM HD tuner with 30 presets, built-in Bluetooth (Version 5.0), 2 USB ports and a dedicated subwoofer output. The unit is SiriusXM-Ready® (SXV300V1 tuner sold separately). Power is supplied by an integrated Mosfet amplifier rated at 300-watt (peak power).