Why 4 channel amp

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Pop Up Toasters. Sandwich makers. Each channel presented on the amplifier act as a separate power source for each aftermarket device.

All users are not prone to use the back speakers in their cars. Instead of setting two rear speakers, they only strong up their music quality only using two high-output front speakers. So, you may already understand how you should choose the number of channels in your amp. However, using another extra pair of the speakers on the back portion of your car requires two additional channels on your amplifier.

Instead of pairing with four speakers, a 4-channel amp can pair with two speakers and with a subwoofer. That means two channels for pairing two speakers, and the other two channels are for making a bridge with the subwoofer. Interestingly, you can let a 4-channel amp drive the four speakers and add a separate 2-channel amp or a mono amp to drive the subwoofer.

Installing both the 2-channel and 4-channel amp altogether can make a boom-blasted explosion in the car music system. Rock lovers love to install such a way!

Suppose an amp featuring a 60Watts power per its channels. So it means, each channel of this amp can drive a large capacity speaker which you may install on your Sports car, Hatchback or Coupe to get beautiful music exceeding the roadside noise. Below this 60 Watts power, you will probably get good music, but it will be a bit silly to raffle your window! However, a larger car or a more significant sound volume needs a minimum 75 Watts RMS per speaker. Thereby you have to install the amp with such channels, which can produce 75 watts RMS power output per channel.

The amplifier will receive exactly the same signal, with the same quality, in the front channels as well as the rear. An amp wiring kit like this one will make installing your 4 channel amp much easier. A good-quality one like this Belva 8-gauge complete kit includes not just wiring but much more.

Your amp wiring kit will also include a fuse holder that should be installed near the battery as well most kits include instructions, by the way. As it also applies to 4 channels amps, for the amplifier installation you can follow my guides here:.

In this image, you can see the adjustable crossovers for both front and rear channels. Turn on the high-pass crossovers and adjust to a setting close to Hz, to allow good bass for music but block low-end bass that distorts. Most sold today have that. See my recommendations at the end for some great models.

Gain control is the amount of signal amplification the amplifier performs. When finished you should have enough volume available from the stereo but noise should be minimal.

As I mentioned at the beginning of this guide, using high-pass crossovers will allow more volume with less distortion and will help protect the speakers from heavy bass. For both front and rear channels turn on the high-pass feature and, if an adjustable dial is available, set it near 50 to 60Hz. Once installed, test and tweak your amplifier as needed. A great way to mount your 4 channel amp is by using a board mounted to the car, covered with speaker box carpet or other material.

Considering buying an amplifier? Hey Marty how do you wire 4 4 ohm speakers to a 4 channel 2 ohm amp? Or can you not do that? Hi Brandon. You can just wire one of the 4 speakers to each of the 4 channels. Or is that not what you meant? So if im using 4 channel amp with 2 sets of rca cables i will run speaker wire from amp directly to door speakers.

Will i need to connect wiring harness speaker wires from aftermarket headunit to car harness? Hi John. Purple is likely right rear, green should be left rear, white left front, and gray right front. And two 4 channel amps. Then running speaker wire to the four door speakers.

But my question is how to get a signal to my other amp for my 2 subs. You would just double this if you have both front and rear coming out of your stock radio to run 8 speakers. Hope that makes sense.

The article is a lot to take in for the layman. I have a question regarding filters. My setup has factory door speakers which are powered by the headunit, and a sub with two 3-way speakers in the rear which are hooked onto an amp. Hi Ali. I saw some threads there that I think may have the info you need. Hi Mart. Thanks for the detailed write-up. I have a head unit with both speaker output and RCA output. Hi, yes you can definitely do that.

For everyday average listening it should be ok but the output power of the head unit is pretty low. But how do you hook them up? Contents Infographic — How to hook up a 4 channel amp tips and general guide Basics first What is a 4 channel amp? Line level converters 2.