Replacing a Subwoofer Amp

On most occasions when your subwoofer blows it is the speaker that needs to be replaced. Sometimes when your subwoofer blows it's not the speaker but the amp. But from time to time it will be the amp. On most home theater subwoofers the amp is a one-piece device that is screwed on to the back of the subwoofer. You can find replacement amps from lots of places including parts express.

Is it hard to replace a subwoofer amp?
Replacing the amp is not difficult and requires only a screwdriver and some common sense. Here is the common sense part.
  • Unplug the subwoofer from the power outlet.
  • Don't touch any part of the inside of the amp, the capacitors may still have a charge in them.
  • Don't try to Fix the amp unless you're a qualified repair person, which you're most likely not
  • Don't even attempt this unless you are at least moderately handy.
Ordering your replacement amp
  • When you order your replacement amp be sure that the size of the faceplate matches the one on your current unit
  • If possible make sure that it also matches the screw holes on the back of your unit. Remember subs do a lot of shaking and you don't want this thing falling out.
When installing your new amp Follow the Instructions. Really, read them before taking the unit out of the box. Go have lunch and then read them again. Then you're ready to try this.

Disclaimer: If you get hurt doing this in any way, you're on your own. I don't recommend messing with an amp replacement I'm just letting you know you can if you really really want to.

That said, here are some amps to consider.

Dayton Audio SA240-B 240W Subwoofer Amplifier with BoostDayton Audio SA240-B 240W Subwoofer Amplifier with Boost

Bash 300W Digital Subwoofer AmplifierBash 300W Digital Subwoofer Amplifier

Bash 500W Digital Subwoofer AmplifierBash 500W Digital Subwoofer Amplifier
100 Watt Subwoofer Amplifier Module100 Watt Subwoofer Amplifier Module

Want to purchase a new subwoofer instead? Click here

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