Profile: Antique Automobile Radio, Inc. offers automobile radio and stereo systems. Our products are FM stereo radios, XM satellite radios, automobile radio vibrators, power inverters, voltage boosters, gauge regulators, speakers and dial glasses. Our 1954 GMC truck AM/FM/stereo radios offer 4 x 45 watts RMS output and allows up to 180 watts of audio power. Our GR-1 gauge voltage regulators are designed to provide proper voltage source to fuel, temperature and other similar gauges designed for 6 volt systems, but are now operating in 12 volt negative ground systems.