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. Speaker level inputs 3. RCA jack line-level connections 4 channel amp signal connection diagram Connecting and running signal wiring Speaker-level connections Making connections Connecting RCA cables Connect the remote-on amp wire How to connect a 2 ch.
A 4 channel amplifier is a stereo amplifier with 2 more channels built in to boost amplify weak input signals to a higher voltage signal.
This drives speaker voice coils to move the speaker cone and produce sound. Those such as Bose, JBL, and Mark Levinson, often found in luxury vehicles or special-edition models, are much more complex and harder to deal with. In that case, my advice is to speak with a good installation shop first and do your research.
If you feel that factory amplified systems should be here as well, send me a message or comment and let me know. Your comments are welcome! Thanks Reply. Hi Marty, Wow. Ideally for a true subwoofer it would be separate from other speakers. You could do it for now until you get a 2nd or one larger for more channels. The outputs on the amp are to daisy-chain to another amp, such as a monoblock. Why would you have a single RCA for the sub?
Dec 29, 5, 66 Lawrence, KS. That is confusing. I would like to assume that the sub output from the HU is a mono signal and you just do as I said above. You want to run both so the amp can sum and you gain 3dB of signal. Create an account or login to comment You must be a member in order to leave a comment Create account Create an account on our community.
It's easy! Log in Already have an account? Log in here. Previous Topic Next Topic. Similar threads needing help with wiring of head unit Need help wiring!! Need help with wiring my subs to amp how? Latest posts. Winners only. Latest: metalheadjoe 5 minutes ago. The Thunderdome! What song are you listening to right now? Latest: SlugButter 14 minutes ago. Car Subwoofer ear pressure Latest: audioholic 29 minutes ago. Random Picture Thread Latest: Popwarhomie 35 minutes ago.
Today at PM. Factory radios do not have RCA inputs, which makes things differ ever so slightly from if you were working with RCA connections. This is because it makes the process of upgrading your stereo in the future quite a bit simpler. A line level converter allows you to convert speaker level inputs into RCA inputs. They take the signal from your stereo, converting it into a signal that your amp can use via RCA connections.
Even though a line level converter might seem like a simple piece of technology, make sure you still buy a high quality device. If you settle for less, the conversion of that audio signal might not be up to par, resulting in sound distortion or other audio issues. Speaker level inputs are pretty common on modern amplifiers. This saves you the trouble of purchasing a line level converter, which saves you money as well as a step in installation.
Then, you just plug the harness into the speaker level inputs on your amplifier. RCA connections, sometimes also called line-level connections, are the preferred way to get signal connected to your amplifier. They offer a lower-noise connection than speaker-level adapters do and are a bit simpler in terms of installation. Each RCA cable will have two signal channels, left and right for your front speakers and left and right for your rear speakers. One way to make this a little easier on yourself is to run the speaker wires back to the area around the harness on the back of your stereo.
If you want, you can either cut the speaker wires on the stereo or tape them up and out of the way. This keeps things neat and makes installation all the easier. Factory stereos will have color-coded wiring, so be sure to find that. RCA cables are a little simpler than signal wiring with speaker-level connections. It only requires a minor addition: Y-adapter cables.
A Y-adapter allows one RCA jack to be split into two, allowing you to connect your RCA cables as described above with no need to complicate things. With the technology we have now, using a Y-adapter will cause no quality loss, either, meaning you can do this without worry. All you need to do to install it is connect the wire to the radio and bundle it with your speaker wires. This is the typical setup, and one that allows for the most flexibility with further upgrades.
This will probably be the trickiest part of the installation process.
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