Extremely rare top audio option during the 2nd generation Firebird Formula and Trans Am models Can also be installed in other GM products from 1978 to 1981.New old stock complete Triband power antenna with hardware and all electrical harnesses. Stereo removed from 1980. Trans Am and been in storage for years Clean and appears in very good condition. Rare GM dealer option 5 band graphic equalizer booster with direct plug in factory harness. This option in 1980 was listed as $750.00 USD. Today's dollars conversion is $2,667.00. Great for car shows and the nostalgic feel of the disco era. Any questions just message. As of 13th September 2024 it is untested. See my other items