If you are adding an amp and sub to a factory premium sound system with its own stock subwoofer, you must get your signal for the line output converter from that subwoofer. Adding an amp and subwoofer to a stock radio can be the easiest way to improve your stereo system in your car, if you do it correctly.

Can you connect a subwoofer to a stereo amplifier?

A subwoofer with speaker-level inputs is especially easy to connect to your older amplifier or receiver! To do so, just connect to the speaker outputs on the source unit using speaker wire and then to the matching inputs on the subwoofer. You can even power speakers from the amp or receiver at the same time.

What type of amp is best for subwoofer?

8 Best Subwoofer Amps in 2021RIOT 1100 Watts, Mosfet.Pioneer GM-D8601 class D.Rockford Fosgate R500X1D.Alpine MRV-M500.Rockville 4000 Watt.MTX Audio TNP212D2.Ignite Audio Mono Block.Sound Storm LOPRO10 Amplified.10 Apr 2021