Bridging a subwoofer is a technique used to connect two subwoofers together in order to increase the overall output power and improve the bass response of an audio system. It involves connecting the positive terminal of one subwoofer to the positive terminal of the other subwoofer, and the negative terminal of one subwoofer to the negative terminal of the other subwoofer. This creates a single, more powerful subwoofer that can produce a louder and deeper bass response.
There are several benefits to bridging subwoofers. First, it can increase the overall output power of the system, which can be useful for larger rooms or for systems that are used for loud music. Second, bridging subwoofers can improve the bass response by creating a more even and consistent sound. Third, bridging subwoofers can reduce distortion by reducing the amount of power that is sent to each individual subwoofer.