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If you are new to the world of stereo system enhancements, you may wonder how to wire a subwoofer. Many of the best speakers, after all, are subwoofers, and these speakers require adequate connections for optimal performance. So what are the various methods for wiring the best subwoofers to other components of your stereo system? Keep reading to find out.
There is no “right” way to wire a subwoofer if you are learning how to wire a subwoofer to a home stereo. There are many different subwoofers out there with unique connection types, which you learn when comparing active vs passive speakers. Making the proper connections is a crucial aspect of learning how to set up a subwoofer. This likely includes speaker wires but could feature optical cables, RCA cables, a wireless Bluetooth connection, and more.
Affixing speaker wires necessitates a different process depending on the input type, so read the instructions thoroughly.
Here are some common methods for wiring a bass speaker so you can move on to learning how to tune a subwoofer.
If your subwoofers connect via standard stereo wires, run the stereo wire from your subwoofer to your preamp, receiver, or standalone speakers. There are some things to look out for. Have plenty of wiring on hand in case you mess up or if the wires are faulty. Also, remember the gauge rule. The higher wattage of your speaker translates to a thinner speaker wire, so purchase and affix accordingly. On another note, the vast majority of subwoofers are mono, so this process should require just a single mono speaker wire and not a stereo pair.
Integrating a grounding wire eliminates annoying hum or crackling noises during use when you connect a subwoofer to the rest of your system. Your receiver likely includes a ground input, simplifying the process, but this is rarely true of subwoofers. To attach the ground wire to the subwoofer, ensure the end of the wire is affixed to any exposed metal on the speaker’s exterior.
Many modern subwoofers and related stereo system components do not even require old-school speaker cables, as they connect in other ways. These connection options include optical cables, line-in cables, and RCA cables. Of course, another option is to ditch wires completely, as many Bluetooth subwoofers are available.
STAT: Subwoofers are most commonly connected to an AV Receiver as part of a larger system. (source)