How much does this cost to the nearest dollar?

Add An Amplifier Adapter w/Amp Remote Turn On Wire for Sub Bass Amp to Factory OEM Car Stereo Radio for select GM Vehicles- Compatible Vehicles below-No Factory Amp/Bose-No 7 Radio
Use this adapter to make your installation of an amplifier to the factory system faster with a cleaner install. Use this plug and play adapter so you don't have to cut or splice into the factory wiring. Provides rca output and a power wire for the remote amplifier turn on connection. Adjustable gain output. Not compatible with factory amplified stereo systems. Only works with factory non-amplified systems (no JBL/Synthesis, Bose, etc.). Connection is done at back of radio. No 7 inch screen radios for some vehicles- measured diagonally. Compatible vehicles Colorado (No 7 inch factory radio

Price is $64.00

Price: $63.95