To get more output rms power from a car amplifier in your audio system, to make your subwoofer hit harder and sound louder, what most people do is bridge the speaker channel outputs on it. Bridging is very simple to do, what it does is combines the output from both channels into one big output creating one output channel and more watts. For example, a stereo car amp has 2 channels for sound output, left and right side, both channel provide 500 watts rms at 14.4 volts, bridging them together will create a total off 1000 watts rms, creating one channel, to power one subwoofer. Most car amplifiers are designed to bridged, however there are some that are not designed for it. So it is best for you to check in the manufactures user manual to find out if it can be bridged, because bridging a car amp that is not meant to be bridged, is not safe to do, as it can overheat rapidly and burn out within a couple of minutes of bumping the bass.
1) Open the trunk, the locate the car amplifier in the location were it is installed into your vehicle, so you can access the speaker terminals placed on either the left or right sides on it.
2) If you have already using one speaker output channel to power your sub, then using a appropriate head screwdriver shape and size, unscrew both positive and negative screws, so that the copper braid from the speaker wires can be released, this is by pulling them out, once the screws are not tight and are loose.
3) You will see another set of speaker terminals, which is the opposite side of the speaker terminals you were using before, but before you start to wiring things up. You will need to look at the small diagram provided above both left and right side speaker terminal, on how to bridge it.
4) Then unscrew the right ch
you cannot under power a speaker that's a myth..if you could under power a speaker you would never be able to turn your volume down under powering your speaker or clipping do to low power to your speaker is a myth
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