![]() Always remember to turn off the electrical system before removing or installing a fuse. In case the new fuse blows out after installing it, you could be dealing with a wiring problem. If the fuse is blown, you should consider replacing it with the right fuse for your amp because the wrong one can damage it. If the fuse is okay, it will give an almost zero ohms reading on your multimeter. If your amplifier has built-in fuse switches, remove them from the amp and check their continuity. A poor connection in the grounding wire will cause it not to work as it should. If the voltmeter reads anything low than 12 volts, you could be dealing with a low voltage problem.Ĭheck the battery connections, ground and power wires at the fuse block, grounding bolt, and any other point that can get loose in the power system. This is the correct reading for a properly working amplifier. Check if the reading is between 12 to 14 volts. To troubleshoot this, check the voltage on your amp’s negative and positive terminals using a voltmeter. When the amp receives less voltage, it will look like it is working, but the subs will not receive any signal from it. It is important to note that your amp might still turn on even if it doesn’t receive the amount of voltage or power it needs to operate. Replace damaged cables with new ones and see if you can get some sound from your subs. Check the wire with a multimeter to confirm if it shows any voltage. Assess them for damages, being careful not to touch them before you turn off the power. To fix a problem with the cables, inspect them visually. This should reveal any issues with the output. To test your amp, hook the test sub to all the channels in your amp one after the other. If there is sound from the subwoofers, then the subs and amp are okay, and you should check the head unit for malfunctions.Ĭhecking the amp’s output is easy, and all you need to have is another subwoofer. Just to be sure, you can use a 3.5mm-to-RCA adapter and plug it one end in the amp and the other end into your phone, then play some music. If the RCA cable is okay, the problem might be lying in the head unit and not the amp. Therefore, if they are disconnected or plugged in the wrong ports, the amp will power up but will not play. The RCA cables provide the amp with signals for the stereo. If your stereo has several RCA outputs, ensure that you check all of them, one after the other, while testing if you can get any sound from the sub. Check the RCA cables that connect the amp to the head unit. If the car amp has power but not sound in the amps, you can check its input connected to the head unit. ![]() While this can be frustrating, there are several steps that you can take to troubleshoot and fix this problem like a pro. Several people have been in a situation where their car amp turns on but no sound from subs. Troubleshooting an Amp that has Power but No Sound from the Subwoofer Learn how to troubleshoot this problem and fix it. Instead, read on and learn how to find the problem and fix it to save yourself the trouble of seeing the amp technician or buying a new amp that you might not need. If your amp powers on but no sound comes from the sub, do not quickly assume that the amp is blown out or faulty. In this case, you need to watch out for two problems subwoofer control on the stereo has been turned all the way down, or you’re using a bad RCA cable. Your amp may power-up, but you still get no sound from the sub. If your car amp has power but no sound from the subwoofer, the speaker or subwoofer will not play bass, and you will not enjoy the sound coming from it. Please remember to restrict product promotion posts to 10% or less of your total combined self and link posts as per reddit spam guidelines.A car amplifier’s main job is to provide that extra power your subwoofers need to create bass and better sound quality. Vendors, please use this area to introduce yourselves, submit reddit-related discounts and sales, and occasionally promote new product lines. ![]() Or join the rest of the reddit Audio Network in our channel on freenode, #redditaudio!Ī subreddit for helping new enthusiasts get up and running with recommended system buildouts.Ī subreddit specifically for vendors, reddit promotions, and introductions. Requests made without using this feature will be ignored. Use the modmail link located directly above the mod list for all mod-related questions and concerns. It will help you get ideas for your new system. Recommendations Formīrowse through the CarAV Approved Gear list - a list of products that were hand-picked by our knowledgeable community. Use the Recommendations Form to get advice from our community of enthusiasts in order to help you choose a system. Q&A, Advice, Tips, tricks and tech welcome! New to CarAV?Ĭonsult the sidebar, the growing wiki or search the sub before asking questions. ![]()
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