![]() For instance, if you have two 20 amp internal fuses, then the size of your inline fuse should be more than 40 amps. In that case, you should add those numbers together to figure out the right size for your inline fuse. For instance, if your amp has an internal 20 amp fuse, then you should go for a 25 or 30 amp inline fuse. If your amp has an internal fuse, then your inline car amp fuse should be a bit larger. The correct size of fuse to use depends on the amp you are wiring. Similarly, on the other hand, a fuse that’s too big could end up not breaking the circuit with component failure causing an electrical fire. ![]() For instance, a fuse that’s too small will blow during normal operation. ![]() What size fuse holder should I use for my amp? Removing an automotive fuse from the fuse boxĪpart from placing your fuse in the right position, it’s also very important that you use the right size fuse. Power wires can also rub against a part of the car and wear away the protective covering resulting in the same outcome. This will cause the power wire to overheat and melt the plastic covering and in some cases cause your car to go on fire. If you run this wire without a fuse and your amp has an electrical fault it can cause the power wire to earth against the car body. When running a power wire for your new amp, you should always wire in an inline fuse before the amplifier. This means you will need some type of fuse to protect your amp. In this article, we will focus on the fuse used in car amps and discuss why they are so important for the car and amplifiers safety and performance.Īs most cars come from the factory without an external amplifier fitted, then you need to wire it into power separately. This will break the circuit if the electronic device fails in some way (since such devices may pull excessive current when they fail). The amp manufacturer specifies a fuse that is rated to break the electrical circuit before damage is inflicted on the device. What is a fuse used for?Ī fuse is generally inserted into an electrical circuit to protect the electrical device (amplifier) from the power source. Here you will learn about the importance of fuses and their different sizes and types. One of the less often asked questions when it comes to car audio systems is what size of fuse should I use for my amp? Since the size of the fuse in the amp does not directly impact sound quality, there can be a tendency to overlook its significance.īut to overlook the importance of fuse size in car amps can prove to be really dangerous as you’ll see below. ![]()
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