Rockford Fosgate Prime R500X1D. 500 Watt Class D. Car Subwoofer Amp Amplifier. Regular signs of use on device. Old wiring stuck in one of the inputs. (See photos for further description detail). The item “Rockford Fosgate Prime R500X1D 500w Car Subwoofer Amp Amplifier (Body Only)” is in sale since Wednesday, December 9, 2020. This item is in the category “Consumer Electronics\Vehicle Electronics & GPS\Car Audio\Car Amplifiers”. The seller is “webuy376″ and is located in New York, New York. This item… Continue Reading ››