An Car amplifier is an vital piece of equipment if you're trying to build an high end and loud car audio system in the automotive world. When looking to buy an car amplifier you should always check the rms rating of the car amp. Ignore fancy MAX and PEAK power ratings, they are irrelevant and are only created for marketing reasons to actually sell the car audio amp to the consumer. Buying a car amplifier is one thing, but setting it up correctly to its full potential can have an full impact on your car audio system, in terms of how it performs. If you want to bring the best out of your cars paintwork, then car detailing is a must to be considered. It will bring back that shine that it once had when it left the showroom floor.
Voltage drop is an massive thing. If your cars electrical system is not producing enough electricity, then your car amplifier will not produce the full power it is designed for. Adding an bigger alternator, along with 0 gauge wiring and an deep cycle battery will provide more stable voltage to your car amplifier. This will result in the car amplifier playing louder and will allow the possibility for more power to be obtained.
Your car amplifier wiring configuration also determines how much output power is being provided to the subwoofer. An 4 ohm load, in comparison to 2 ohm load, the car amplifier at 2 ohms will produce more power. The lower the ohm load of your speaker wiring the more power the amplifier will produce. You will need to refer to the user manual of your car amplifier to see what the lowest ohm load your car amplifier supports.
You can also bridge your car amplifier to double the output power if its an two channel car amplifier. This basically adds up the wattage from both channels and combines them into one. So if each channel is 100 watts, if bridged you will obtain an total of 200 watts output. However, you will need to workout if your car amplifier supports bridge mode. If it doesn't, your car amplifier may stop working and shut down. If you force it to be bridged when it wasn't designed for that purpose it will also void any warranty.
Adding a power capacitor can increase bass response because it will help reduce voltage drop. It can sometimes make the bass more impactful from your car subwoofers. This is because your amplifier demands the most electrical current at low bass frequencies. An power cap stores charge and releases it for the important moments. This will make your car amplifier more powerful and closer to the rms rating in the specification sheet.
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