![]() Resistance between the output transistors terminals. No power applied to the amp, grab a multimeter, set it to ohms, and measure the That's the most common cause for an amplifier to go into protection. Otherwise, it's likely that the output transistors failed. Solution: This can be caused by too low of an impedance from the way the speakers are wired, and sometimes a poor charging system (if the amp goes into protect when the volume is turned up). For space constraints, I'll leave it at that. Sometimes you can open the amp up and find physically fried components. It is never a bad idea to try hooking up the amplifier in a different car or taking it in to be tested just to be sure. The majority of the time, it's because mosfets are blown. Is the remote wire hooked up? Be sure it is, and that it is hooked up to the blue wire w/white stripe coming from the head unit, NOT the solid blue wire.Īfter that point, if the problem still exists, you're probably looking at bad parts in the PSU (power supply unit). ![]() This means that it is secured to bare metal that is clean, rust-free, and tight. Solution: Rule number one in amplifier hook up is to make sure the amplfier has a good ground. Your amplifier could have a completley different problem, though it is unlikely): Here are a few common problems and what can be done to troubleshoot, as well as fix them (my fixes are the most common. Sometimes the amp itself really is at fault. Not sure what amplifier you'll need to power your subwoofer(s), try our AmpliFinder tool that helps you Match a Car amplifier to Car Subwoofer(s).Many car amplifiers are incorrectly diagnosed and sent in for repair/returned because of incorrect hookup. Our staff will help you in selecting the perfect setup so you can start building your first class car audio system today! If you have any questions, give us a call at 1-50. Let us help you choose the right car amp. This is when you’d consider 3-channel amps and 5+ channel amps. ![]() To power more than one speaker, like a set of tweeters, midrange and subwoofers – amplifying more components means more channels. Like with subwoofers, RMS should match to get the best performance. ![]() Speakers are powered by multi-channel amplifiers, primarily 4-channel amps or 2-channel amps. ![]() Not all speakers require amplifiers, but they sound better when they’re hooked up to one. A head unit, even one with an internal amp, is simply not enough to power the subwoofers. Any audio system that features subwoofers must have at least one amp to provide enough power for the speaker to operate as it was designed. If the amplifier does not have speaker level inputs, installation is possible by using a line out converter (LOC).Ī car amplifier acts as the centerpiece to any state of the art sound system. These allow you to work with your vehicle's current wiring scheme without additional hardware. Factory stereos work best with amps that have speaker level inputs. Sonic Electronix also offers amplifier installation & accessories wiring kits, car batteries, high output alternators, and other sound processing equipment you may need to complete your system.Ĭar Amplifiers for Factory or Aftermarket Head Unitsįor after-market stereos, connect the amp through the built-in preamp inputs for easy installation. Also be sure to check out our selection of Bluetooth car amplifiers for any old school renovators or ATV/UTV owners who want to pair directly to their system without a head unit or altering the look of the dash. This page contains our selection of car amplifiers: Monoblock, 4-channel, 2-channel, as well as Class AB and D amps. ![]()
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