Hooking Up a Subwoofer Without an Amplifier Mount your subwoofer in your preferred location. Next, reroute the stereo and power supply cables to the subwoofer and connect them. If your audio system has an outlet for your subwoofer, connect this as well. Once installed, you need to learn how to get the best sound.

What wires do you need to hook up a subwoofer?

All the wires depicted in the Subwoofer Wiring Diagrams are speaker wires. For wiring subwoofers, we recommend using wires of 12- to 16-gauge in size.