Thanks, big help! So to summarize using it like this should work: – Channels 1-2: 4 speakers connected, 2 in parallel to each channel • Another clean metal bolt or screw on the body Hello ihave a 201 how do I wire the 4channel amp if there is no factory amplifier. Yes, if you’re connecting the left speakers to 1 & 3 and right to 2 & 4, that’s exactly right. Very nice! Thanks for visiting the site & for the comment. Am I overthinking this or is this a problem? It will not kill the stereo and you will enjoy the best quality sound. Here are 2 very good amps that are both good values and compact: • Alpine MRV-F300 4 channel amp (bridgeable). Then at the amp end of the cable, you attach a Y-adapter to each RCA connector, so you end up with four RCA connectors to plug into the amp's four RCA inputs. I Already have a set of RCA running to a single channel amp thats running the sup but my head unit has the other 2 ports for front and rear, Just not sure if i have to run both or just the RCA cables. Thank You. Please help There’s no need to spend an excessive amount of money on speaker wire. To other’s reading this feedback, you have my word that Marty is somewhat of an audio samaritan. After everything was finished and cut on the subs are working fine and the only speakers working are the tweeters in the A and D pillars, which I did not touch. But generally you can just connect both of the head unit subwoofer RCAs to the amp’s subwoofer inputs. Typically channels 1 & 3 are left and 2 & 4 are right. 2. Simply put this is the lowest cost highest quality 8 Gauge amp wiring kit you can get. This is the ideal way to connect your amplifier’s signal inputs, if available. It only takes a few minutes to make a list of the parts, wire, tools, and other bits and pieces you’ll need. Or how would I bridge the subwoofers if I used channel 3&4 for the spilts. For the signal you can use your phone and a 3.5mm to RCA adapter to connect directly to the amp and play music. All of my speakers work if I move a working rca to each individual input on my amp though even if i use the left rca cabl. Thanks! It’s very important to be specific when mentioning an amp or other components. And when you say wire them in parallel I assume you mean just double up the wiring to the amp on channel A with the 6x9s? I’m currently using the factory wiring with an aftermarket head unit and everything sounds OK. Thanks for your reply! Thanks again for the advice, this is the best info on how to install power amp! The system depicted includes new speakers, an aftermarket receiver, a 4-channel amp for the front and rear pairs of full-range speakers, and a mono amp for a subwoofer. And I have been looking for a while. -Jbl GX862 speakers mode and all 6 channels will be fed a signal from the 2 channels you have. But your question is a bit vague so I’m not sure how to help more. A great resource for that is The12Volt.com, where you’ll find wiring diagrams for your vehicle and color codes listed. Here’s a great rule of thumb for how to adjust the gain for this type of system: When finished you should have enough volume available from the stereo but noise should be minimal. Usually factory speaker wiring is around 18-20 gauge or so, which is fine for this kind of system. These terms refer to two ways of routing the speaker wires to your … Also I’m guessing I would have to remove the processor since it would be a aftermarket head unit. This avoids having to cut the factory wiring. I’ve got an example diagram you can see here. – Have you verified that the 4 channel amp is installed & working as expected? What a 4 channel car amplifier is may seem obvious at first but there’s a bit more to know Additionally, there are some interesting (and good) ways they differ from 2-channel amps. Let me know your thoughts. Make an effective research on which amplifier is best for bridging before you buy. Check the amplifier's owners manual for minimum impedance the amplifier will handle before hooking up the speakers. Connect the amplifier to one speaker. Usually you’ll want to round up a bit to be sure you don’t come up short just in case. It’s also just a good value. Hi Mark. Some models don’t offer an adjustable frequency for the cutoff but are likely preset to a good level. A good-quality one like this Belva 8-gauge complete kit includes not just wiring but much more. Then make the ground wire goes to a good bare metal connection attached to the vehicle body. 4 channel amplifiers add more channels into a more compact and efficient design than separate amplifiers would have. Hi Arnfinn. The comment system sometimes misses notifying me, unfortunately. A 4 channel car amplifier bridged to 2 channels. That’s correct I am introducing a 4-channel amp to the backyard set up. I would disconnect the door speaker wiring from the amp and use a test speaker right at it to check it. (Note: I edited your comment to keep it small). After installing hundreds of amps in vehicles just like yours I’ll share with you the fundamental tips you need for great results. I’m stuck but at least not as in the dark. If you’re installing a 4 channel amplifier and using RCA cable connections, you’ll need to buy a 2nd pair along with your amp wiring kit, as most only include a 2-channel cable. Thanks Marty that did the trick! Crimp connectors are sold separately in many automotive parts stores or general stores and are very affordable. Think I’d need to use a distribution block for the grounds too, or can stuff like this be grounded individually in a car without too much worry for ground loop noise? I’d need a bit more info regarding your particular system. If those aren’t available, either an amp with speaker-level inputs or a line level (speaker level) adapter can be used. I was wondering if you could help me out with my situation. Hi Marty am from Mauritius and have a question concerning wiring. I was going to run with 16g this way, directly from amp to each speaker. Both have their advantages as well as disadvantages. There won’t be an issue with delay, though. I’m using the standard deck and using a 2 channel line level converter. Run RCA cables from head unit to the amp and run speaker wire from head unit to amp then run the speaker wire from the amp to the speakers themself Where do the 3.5” speakers wire to? There’s a lot to cover here so I’ll try to keep it organized. Turn on the high-pass crossovers and adjust to a setting close to 50-60Hz, to allow good bass for music but block low-end bass that distorts. Unfortunately, not all speakers will sound good in all car doors. The audio quality is not very good. ¿Should I put my tweeter crossover in -3 db for the front if they are located in the dash and to +3db to the ones embedded to the rear doors? Also check to make 100% sure you have a good ground, +12V, and remote connection. A wiring diagram is a simplified traditional photographic depiction of an electrical circuit. It will be 2 ohms/2 in this case, or about 1 ohm, which is too low for an amp. 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). Hi brother.. 4 6x9s and a 1500 watt 4 channel amp. Also, that would be good if you can show me some items for RCA to bare wire. However, depending upon your choice you can change the setup.eval(ez_write_tag([[250,250],'speakersmag_com-leader-1','ezslot_2',183,'0','0'])); eval(ez_write_tag([[250,250],'speakersmag_com-banner-1','ezslot_0',140,'0','0']));Also Read: Connect Phone To Car Stereo With Aux Cable. My apology, for some reason I did not see notice of your comment before. If using a line-level adapter, connect to the stereo’s speaker output side. Here is a picture gallery about how to wire a 5 channel amp diagram complete with the description of the image, please find the image you need. That way it will turn itself off and if you forget it’s no problem. – Channels 5 & 6 or 7 & 8: Bridged to the subwoofer. Many thanks! If they’re going to be mounted closer to the rear I’d say connect them in parallel to the rear speakers. Do you find any difference in avoiding the factory speaker wires to speakers? I’ll use the example of installing an amp using speaker-level inputs, with the following typical installation: Let’s use roughly a 15′ length of distance from the radio to the amp. I would like to use all 4 channels on the amplifier in order to use the built in crossovers for components on 2 channels and the 8″ sub on the other 2. I am hoping you can assist me. 1. The amp does have an HPF on channels A and B, not sure of that helps. Don’t worry about the speaker wiring size – that’s not going to cause poor bass response. Should I ditch the old amp or can I use it to drive the sub-woofer? Again, very happy to take any links if you have recommendations. Unfortunately, you only see about 2/3 to 3/4 of this power. The sub channel's input signal will be accessible by switch, and you'll need to run a new speaker wire to the sub. :( I’ll reply in case you haven’t found an answer to your question still. I would use option #2, as you’ll have independent level controls for the speaker output level plus the ability to choose separate crossovers if needed for the tweeters vs main speakers. Mainly though I would start with the amp & makes sure you’ve (1) got a good signal input to it and (2) the amp is powered up right & producing sound for sure. I have speaker wire ran from the amp to all 4 speakers. You probably can use aftermarket crossovers with the factory speakers, and use inline resistors to bring the speaker load up to 4Ω if they’re not. The rear will be bridged for the subwoofer & use the low-pass crossover. A wiring layout for a single amplifier system that handles 1 pair of speakers and a subwoofer. You can buy this by the foot or on rolls reasonably priced. amp’s 2/4/5 input switch is set to 4 or 5 if you’re wanting separate front/rear fader inputs. I know they should be cranking. Speaker level signal connections near the radio (center console), Wire from the radio to amp (signal wire): 4 channels x 15′ = 60 feet, Wire from the amp to speaker wiring near radio: 4 channels x 15′ = 60 feet, Wire cutters (some crimp tools have this built-in), Wire ties (“zip ties”), 6″ length, bag of 100, A digital test meter for voltage measurement, 4 channel amplifier with speaker level inputs or amp and line-level adapter, 120 feet or more speaker wire, 18 gauge or larger, Crimp tool and butt (wire crimp) connectors (25 or more at least), 100 feet roll speaker wire, 18 gauge or larger, Connect speaker outputs to your amp’s speaker level inputs, Connect a line-level adapter to the radio then use RCA cables to the amp, Connect your radio to the amp using RCA cables directly, An amplifier with speaker-level (“high level”) inputs, Connecting to your amp’s speaker level inputs, Connecting your amp to the radio’s RCA jacks, 4 channels (4 pairs of wire) going to the amp’s speaker level inputs, 4 channels from the amp to the radio’s factory speaker wiring, Turn the stereo’s volume to 2/3 of maximum, Slowly raise the gain controls until the volume is enough. 2 speakers connected on 2 channels are good for the health of your amplifier. Four channels in, two channels out You run a dual RCA cable from the receiver's front left and right RCA outputs. I have managrd to connect up everything in order. I need more info in order to help you. I recommend using 6″ ties which often are sold in packs of 100. I’m using high level inputs since receiver has no RCA’s. That means you’ll want to connect 4 of your 6 8″ full-range speakers in parallel for channels 1-2, and one speaker each on channels 3 & 4. When running speaker wire from the amp to the wiring harness behind the radio. Some head units offer the option to turn off the speaker outputs or RCA outputs. In both cases spacing out wire ties or tape about every 1″ or 1.5″ along the length of the wire works well. Those go to the front amp channels then connect the front speakers to the appropriate crossover outputs as labeled. So, 4 speakers will be connected on 2 channels and the remaining two on the remaining two channels. Hi there. If your amp isn’t 2 ohm capable, let me know. Once all wiring is connected, bundle it up using wire ties or, optionally, a little bit of electrical tape wrapped around. The only drawback is there won’t be a front to rear fader control like with head units with 4 channels of outputs. Lorenzo is back and is going to show you how to wire your Speakers and Subwoofers to your Amplifier!! Hi Marty! In the case scenario that I just a 5 channel amp how am I supposed to connect the single subwoofer speaker to the amp out, and also how do I connect the amp input since there are two subwoofer output from the headunit? Estimate the length of speaker wire you need to reach the amp (or line level converter) for each audio channel. Hi, Angelo! any help would be great! Good morning, Joe. If you find anything missing or have suggestions, just leave a comment below or send me a message! Don’t spend too much money, but do get decent quality ones. To do that, the amp needs to be 2 ohm capable (else it can’t handle the load). The result is cleaner sound, less distortion, and great volume – you can crank your music even higher! See More Reviews. I’m thinking I’ll end up having to pull out both front seats this time after all. While it’s not always fun wiring a 2nd amp, you’ll get more control over the gain/volume for the tweeters and front speakers by using the JBL just for them, then use the 2nd small amp for the rear speakers. I added a Rockville 4 channel amp and hooked up the rca jacks to channel 3/4 on amp and radio. I have a question. you’ll find here in my amp kit buyer’s guide. I’m not 100% clear on your installation and problem. Thank you so much in advance. So you’d connect your RCA splitters like this: Left channel: to 1 & 3 Ive tried everything and can only get a very bassed and muffeled soumd out of these 360 watt 5 way 6x9s. Marty, Bridged mode capability is a special design feature in which a “push-pull” set up is created: one channel (normally used for the left speaker) produces a signal that’s the opposite of the second channel (normally used for the right speaker). Insert the stripped wire (about 1/4″ of bare wire) into the connectors and crimp them carefully using a crimp tool if you have one. 6 speakers 4 channel amp wiring diagram – A Beginner s Guide to Circuit Diagrams. Hola, Andres! The self powered sub needs 2 speaker inputs. I work very hard on them and I try my best to make them easy to understand and useful. The information I received from Marty was detailed and methodical, making it easy for a novice such as myself to comprehend and act on. I really like how compact they are, too words channel a and have a bass. Power available in 4 channel amp amos for the great info unit so I ’ ve been there, the... 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