To channel 3, I’ve attached the upper left side speakers My amp is Magnat 560 4 channel. 2. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. Option 2 Simply press down on the clip, insert the speaker wire, and release. If yours doesn’t, you’ll need a work-around I’ll show you. Hi Marty, I recently replacedy head unit with a pioneer MVH-S21BT with built-in mosfit amp it only has one set of RCA outputs. Image showing a typical 4 channel amplifier’s minimum speaker load (Ohms) rating. I’m now in market for a sub, maybe 2 sub’s but my question is would I be better off with a 5-channel amp? You would use the setup shown in system #1 in my diagram. You may need a few extra parts. Hello Manny. Connect the ch. However, usually the bridged wiring is labeled on the amp itself. I know its mono but i thought in the input i can also have 4channels. The reason I try this because I’ve tried connect the sub to Head Unit directly, but the sound is low compare to speaker that have amplifier. With the speaker disconnected, touch the speaker terminals with the meter probes. Well, there’s one issue with what you mentioned and that is you won’t be able to get 160W RMS 4 ways with stereo sound for the main speakers and a sub. It’s a lot better to start on the right foot and be ready at installation time. That’s important because amps are designed for a certain minimum speaker load (Ohms rating). For your system questions based on what your wrote, here’s what I think: – You’re better off not using the factory subwoofer at all. Yes, that amp does support two 4 ohm speakers in parallel as a 2 ohm load, so yes option #1 would work if you think you’re ok with that. The best thing to do in my opinion is just disconnect the coaxial speakers. You can use 2 subwoofers, but the total load will have to be 4 ohms (unless it supports 2 ohms in bridged mode. The amplifier is Pyle PLMRA630BT. Thanks again! Multimeters show an open circuit condition as “infinite” Ohms, which just means there’s no reading to be made. Tap off of a +12V accessory/switched wire behind the head unit or cigarette lighter socket (if switched with the ignition). Hey great write up! Not to mention your speedy replies. You can still connect a head unit car stereo with only 2 channels (left and right) to a 4 channel amp easily. That’s especially true if you think you might upgrade your amp to a higher power one at some point. Hi Marty, Hi there. It can be done, though, yes. Most car amps today have a minimum of 2 ohms per channel in standard (stereo) use and 4 ohms minimum when bridged. The problem is that each 8 ohm subwoofer will develop 1/2 the power a single 4 ohm model would so it works out about the same as using only one. Replace the original radio with an aftermarket one (this is harder and may require cutting the dash), or 2. use an underdash kit like this one from Metra to allow you to add an aftermarket one fairly easily. Set up would be 4 speakers and 1 sub. Pioneer GM-A4704 Specs I would think not, but I’m not sure. Sure, and good luck with your installation! Flat (crossover off) or 56-60Hz high pass. Hi, well ideally you wouldn’t use the tweeters on the head unit but you’d drive both they and the main speakers with the amp. As a general rule, though, divide the RMS power of each channel by 2 and use that as minimum resistor power rating. This workaround won’t be necessary for most modern car amps. All Rights Reserved. :). Any ideas how I might do this? I want to connect it to the amp Kenwood KAC PS404. This is the first and best choice for most modern 4 channel amps. If using speaker level inputs on the amp, use the connections shown above. Otherwise, there’s a good chance the amp would have to be turned down to match the head unit’s more limited output. I’ve used them many times for speaker problem-solving. Have a good day. I would like to buy a 5 channel amplifier, to get sound to 4 speakers and one subwoofer. The good news is that not only can you do it, but it’s also not hard to do. Now connect the grey wire with a black stripe from the kicker harness to that same speakers negative wire. Wire diagram kicker cvr 10 2 ohms. Good morning, Doug. However, this will still boost my stock speakers. Thanks again! Diagram – How to wire a 4 channel amp to 4 speakers and a sub, Click to download the printable speaker diagram, Using power resistors for harder installations (4 ohm min. The spring-loaded mechanism holds the wire in place. 2. I just got a Pioneer head unit and a 2 channel power amp 400.2/800 bridged plus subs are wired to 4ohms but the subs are 8ohms a piece what in asking how can I set my gains and crossover correctly. After connecting the stereo to the amp, you’ll need to adjust the gain controls for both the 4 main speakers and the subwoofer output. Anyway, in this case there’s no “perfect” solution, unfortunately. Good enough for me. There are two RCA cables coming from the source radio unit (each with a red and white). I recently picked up a Kenwood KMM-BT522HD and there are a number of other Kenwood KMM head units you can find out there. Hello again, Saptarshi. Say I’m using set up #1. Love the period look but it’s almost inaudible after 40mph due to the road and wind noise so need more volume. This way you can adjust the gain/outputs separately to have them match in terms of volume. • New front tweeters Hope to hear from you soon. Sub output on headunit goes to channel 3&4 on amp. If there’s something I misunderstood or more info you have, just let me know. They’re not used for anything in this case as you’re giving up front/rear fading by wiring all 4 Alpine speakers to the front amp outputs (as opposed to front and rear channels). It would essentially be wired in between the speaker out of the radio and the factory speaker wiring. You have just a few options: The problem with option #2 is that subwoofers need a lot more power to drive them well and sound good. Yes, ordinarily if you’re not using the front & rear fader ability it wouldn’t matter really which is connected to chs. You really don’t have many options, but running it on one 4 ohm coil would be the best thing to do for now. I have a powerbass 4 channel amp and i use it to on 4 speakers and a subwoofer left (front&rear) parallel in one channel same for right side.i bridged channel 3&4 for a subwoofer 8ohms.on the input i am using stereo from renault car radio spit into 4 by rca split my problem is if i put left&right into the sub channel my sub drops volume.i have to remove one rca cable in order for bass volume to be up.what am i doing wrong? As you can see, you won’t measure exactly 4 ohms for a 4 ohm speaker. Today’s head units offer Bluetooth, music app controls, EQ functions, and much, much more for under $100. It’s a 96 Honda Accord To drive 4 speakers and a sub with a single 4-channel amp you’ll have to make a few compromises. I would have NEVER tried that. System 1: 2 speakers (parallel wiring) to each front channel = 2 Ohms x 2 + 1 subwoofer wired for 4 Ohms on the rear channels bridged for more power. I now understand how to get down to 1 ohm. Hi Marty – Audior RIP 4 Channel Amplifier. You should be fine with 50W rated resistors for most 4 channel amps. Today’s 4 channel (and other) car amplifiers have a minimum speaker load they can handle. When using only one amp, of course, you don’t have as much control over say the tweeter levels. By signing up you are agreeing to receive emails according to our privacy policy. Furthermore, i haven’t Bought speakers for the front or rear yet. This KICKER K-Series speaker-RCA converter features silver-tinned OFC wire, so bass is responsive and rich without interference. I got one off of eBay for under $100 new in the box. So the system #1 example is still the best way to do it in that case. At the first position of today's best kicker speakers listing, we have the D-series from Kicker lines. Honestly usually those car stereo packages tend to not be all that great and you can get a lot better for your money picking them out individually. This is the first and best choice for most modern 4 channel amps. Your situation is a bit different than most because of the 8 ohm tweeters which won’t match your 6x9s. By adding inline resistors to the rear speakers you can drop their volume and it acts as a “fader” already. System 3: 2 speakers on each front channel (parallel wiring) wired with extra parts for 4 ohms per channel + 1 subwoofer wired for 4 ohms minimum. ? Generally speaking, though, if there aren’t dedicated subwoofer input RCA jacks then it is derived from one (or more) of the input pairs. Bridged mode would offer 150W or more to the sub, depending on the amp’s specs. Please let me know if you need any more information regarding speaker/amp/sub model details. I like this deck basically because it has separate bass and treble & Blue tooth. (Example: two 4Ω speakers on a 50W/channel amp will now be able to get only get up to 25W each). Great info sharing – appreciated! I bought a Pioneer GM-A4704 and planning to connect it to my 2012 Hyundai Elantra stock stereo. The real answer, however, is that it depends on your amp’s ratings. Im opposed to only running one coil on a DVC sub. The problem there is you’d be losing 250W across the resistor – not at all what we want in that case. If your amp has speaker level inputs you’ll connect it to the head unit’s speaker outputs per the amp instructions. Ch A – Connect 2 front speakers This way I could run it bridged and get 500w @4ohm on my amp rather than running the sub on one channel @2ohm for 250w. Thank you, I’ll definitely spread the word about your site on my forums. what rms will the speakers need to be to get good sound quality? Currently have polk audio pa4a head unit, wet sounds 4 channel amp and 4 6.5 wet sounds speakers. I have a pioneer gm-d9704. I felt I should respond and thank you for taking the time to post that. 5 channel amps nearly always have a provision to get the bass (subwoofer) signal from the main channels if you don’t have a separate subwoofer output on the radio. The amp output to FL, FR, RL, RR. I’ve corrected it, sorry. Thanks. Hi Marty, Then bridge the rear channels and use the low pass crossover. They’re fairly small now, too, so they’re easier to install as well. Shown: High power resistors that can be used with a 4 channel amp when adding more speakers. Things like the following can cause problems (I have seen this happen many times! Read on to find out how! Seems like it shouldn’t be that complicated…but I’m stumped. :), Amplifier model: Auditor RIP 4280 Of 12 AWG Q-Series Speaker Wire • Direct-Connect Engineering • Twisted-Pair Technology • Full Spec Wire True to Gauge • Hyper-Flex Technolog 1 Kicker 46QW1220 (QW1220) How actually can i install them so that i can get loud and also best sound quality. How can I repay you? Learn more... An aftermarket sound system can go a long way in adding quality to your listening experience, but there are a lot of pieces that have to be wired correctly. The fronts are about gone and the rears are starting to rattle. However, since a few amps out there can’t handle 2 ohm loads (especially older amps you might have that you’d like to use) I’ve included this just in case. Your analysis was on point. Hi Marty, I have a kenwood DNN990 HD with 3 out rca, 1st- front 2nd- rear & 3rd- SW. also I have a DS-18 gen 1200.4 AMP. 4 channels, 4 subs on 2 channels, tweeters on 2 channels, And also the same applies for that wrong device on all of the gear. Wiring in series means that you start by connecting the positive output terminal of your amp to the positive wire on speaker A. (You can also get a double DIN version of the kit and use ANY head unit.). Thanks. Really the best thing to do would use a 4 channel amp and bridge the rear channels for the 12″ or add a second amp if you already have the monoblock amp. I figured 160 4 ways would put it at 40 RMS per speaker. However, neither of those options are the best. Connect the from RCA outputs to the front amp channels then the subwoofer output RCAs to the rear channels. Thanks, Rob, I really appreciate it. The GM-D8604 has plenty of power so there’s no need for bridging. SoundCertified.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. You can use an L-pad (speaker volume attenuation) site like this one here to calculate resistor values for you. Sub would still be bridged through rear amp channel and head manual says sub volume is controlled through zone 1. It is (Z1 x Z2 x Z3â¦) / (Z1 + Z2 + Z3â¦) =Ztotal. Hi Neil. To help, I would use the amp’s high-pass crossover set to about 50-60Hz for the door speakers to keep distortion low and you can get more volume/power from them without them bottoming out. I’ve seen a few instances of odd problems when using speaker-level inputs, however, so it’s not unheard of. A quick way to the gain is to set the head unit volume to about 2/3rds of the way up then adjust the gain until the volume is moderate loud vs the main channels. You’ll get a LOT more for your money using a good head unit rather than an amp with Bluetooth built in. Be sure to touch bare metal on the terminals and make good contact. How can I connect radio to amp with rca? At any rate, you normally want to set the crossover close to where the main speaker bass drops off, but a good rule of thumb is about 70-80Hz low pass. Yes, if you’re using a 2-way crossover you won’t need the inline crossover on the tweeter. You’ll likely have to give up front-rear fader control ability as you’re giving up 2 channels for the rear speakers to drive a sub (2 front/2 rear). The JVC only has one set of RCA outputs but you can use it for all 4 amp channels. There are some instances where noise gets picked up by the amp from due to issues with some stock head units. Well, first off you can simply turn down the gain on the amp if the factory subwoofer volume is too high. – I don’t know what year model & trim level your Tahoe is, does it have dashboard factory tweeters? Then you can just run an RCA cable from the RCA outputs of the Pioneer amp to the 2nd amp, called “daisy chaining” them sometimes. I have a classic convertible which has a 1960’s period Blaupunkt Mannheim radio with Aux input via the old DIN connector and Mono output wired via jumpers to two 4ohm coaxial speakers in the doors. I tried disconnecting the input signal from the amp and it goes away. Hi Marcus. Thanks. In most cases, it’s much better to connect to them at the harness and not the door. There’s just no way around it. I’ve also got some great guides ready, too, if you’d like more ideas: Need advice on finding the right installation wiring? I do have an odd question perhaps. If I add a Pioneer GM-D1004 4 channel mini-amp to get a little oomph , then how would I connect everything? I guess the amplifier does not work like a receiver, correct?….meaning that if the speaker wires for the sub are connected directly to the amplifier that is not always going to work??? With the second method do i have stereo sound? I’ve tried every arrangement/combination and the sub doesn’t work. Using the subwoofer output of the Sony isn’t mandatory but you’ll have more control options you can adjust from the dashboard rather than at the amp itself. That’s 80W for the 6x9s and ~50W for the tweeters, according to the specs). This step will be the same regardless of whether you are wiring in series or parallel. Should I also bump up the wattage of the other two resistors for the 6 X 9’s to 50W 4 ohm? The rating shown on the amp or in the owner’s manual serves as a warning. [..]. Here are the speaker wiring and speaker (Ohms) loads possible for nearly all amps you’ll run across. You give all the right information for a product that the buyer should know. Cables should be linked correctly on both speakers and the recipient/rev. If you want a more specific recommendation let me know. System 1: 2 speakers (parallel wiring) to each front channel = 2 Ohms x 2 + 1 subwoofer wired for 4 Ohms on the rear channels bridged for more power. Just trying to figure this out. Pre-loaded subwoofer enclosure: 12″ ported subwoofer enclosure example (under $100 USD) – For sure, make sure all the speaker connections are wired the same way (each speakers positive and negative connections are the same from the amp) or you can have cancellation which hurts the sound a lot. If your stereo doesn’t have output channels that’s ok! car stereo (2017frontier) to a 4 channel amp. So if I do Option #1, impedance will be 2Ω. Hi Marty, Hi. Not competition-level, but good enough to enjoy. I’m from Malaysia. Remove the speakers from their mounting (as directed by the vehicle's repair manual) and plug the speaker wires into the inputs on the back of the speaker. Two sets lead over to the amplifier (the ones I mentioned previously). Thank you Marty, I’ll go as per the suggestion you provided ? There’s enough power there to drive your system with some good clean sound you’ll enjoy. I noticed a lot are at 4Ohms and the Rms range is good for the amp as is but for the Clarion the RMS would have to be low for a parallel style to work. I also want to connect the remaining 2 channels to my midrange speaker.My question is…is there any possible way to know the output power of the remaining channels.I really don’t want to fry my mid range speakers. Wire the amp to your first speaker. I now connected the front speakers and tweeters to a 2-way-crossover. If you wire 2 speakers and the tweeters at the same time it will end up with less than 2 ohms total speaker load, which isn’t ok. I hope you enjoy your music! No, in this case, since you said you’re planning on using the Pioneer amp for the front & rear speakers, you’ll connect the SLC4’s RCA outputs to the front/rear RCA inputs on the Pioneer amp. I might pass on mates Rockford as its 6yrs old & its NOT free lol, I would only be installing front speakers in doors can’t fit any in rear, thats why I was looking for best option for trunk whether it be bigger speakers or Sub, if you could also send some links as to speakers or or Sub that’ll be awesome, keep up the awesome work Marty doing a great Job Mate. Any suggestions on how to set those?and one more thing sorry. Do note that the 6×9 speakers are 4 ohms each and the tweeters are 8 ohms each. I don’t want two 12s, two tweeters, and paper cone replacements that I can barely hear. If my calculations are correct I’ll have a modest 50watts to each speaker and 200watts to the sub. Here’s an example of a good budget powered subwoofer: Rockville RVB12.1A 12″ powered subwoofer. We can use 1 large resistor for each speaker as a work-around for this. :), Question when installing a 4 channel amp are u connecting the amp to the speakers at the door or to the harness that plugs in the radio. ( Original connection ) In your expert opinion, which of the following would you best suggest? There is an ON and OFF low humming noise on the 4 speakers though. Good morning, Jason! If I consider doing Option #1, will it be fine considering all my speakers are rated 4Ω. The result will be that the sound is “faded” to the front and the rear speakers won’t be too loud. There’s simply no way around it. To channel 2, I’ve attached the lower right side speakers I want to connect 4 door speakers and a sub as shown in your #1 figure. I am afraid to turn in on so not to fry anything. These Kicker 8" speakers are priced lower than many other 6.5" speakers and it isn't because they lack performance or they took quality away to hit a price point. Driving 4 speakers from 2 channels means the speakers are sharing the amp’s power, so you’ll have less power available to each of those. I'd love to help everyone find answers to their questions & enjoy good sound. ( But connected on the front channel of the stock stereo. Hi Marty, great write up. How do I connect sub? Why is this best for driving a subwoofer? I am SO grateful. That model doesn’t need a remote-on wire usually as it has auto-sensing for the speaker inputs. My car Audio configuration is as below: In that case, it would be the same as shown in the diagram (depending on your installation situation) but I would recommend connecting the amp speaker wiring with a terminal strip like these reasonably priced ones at Amazon. Speakers are usually connected in series or parallel (well, really, most often in parallel) which affects the total resistance an amp will see. You might consider using a 4 channel RCA to line-level converter to get front/rear fader control Lorenzo is back and is going to show you how to wire your Speakers and Subwoofers to your Amplifier!! Soundstream Reference REF4.920 4 channel amp Ch B – Connect sub Burning out your amp’s output stages is not a nice surprise. Kicker remains to be one of the best brands that deliver outstanding sound quality. In order to verify it’s coming from the head unit, you can optionally use an RCA to 3.5mm cable to connect audio from your phone’s headphone jack and play some music through the amp. I have factory 2 ch. The good thing is that all you really need to know is roughly what the resistance of a speaker is. Was thinking I need to use RCA Y adaptors to join Zone 1 Right with Zone 2 Right and connect to Ch1, join Zone 1 Left with Zone 2 Left and connect to Ch2. • Rear 6x9s You can also find additional wiring diagrams in the KICKER U app for iOS or Android. Overloading your amp can lead to blowing the amp and possibly even fire. If that’s not available, yes I would try left channel – = subwoofer negative, and right channel + = subwoofer positive. So do I cut the factory speaker wires after the harness then go into the scosche and so on. What is the best size wire for kicker cvx? Here’s an example chart to help you know what to expect when measuring speakers. You’ll be able to drive 2 front speakers with good volume and bridge the rear channels for a sub (with ok power) as well. For factory systems I use one of several things, depending on what’s more time-efficient & reliable: 1. While there are several ways you can go about it, wasting gas, time, and getting stressed out isn’t worth the headache. Hi Cody & I’m glad to hear that you found my info helpful as I really do work hard on my articles. We use cookies to make wikiHow great. The amp is 4 channel. In that case, unfortunately, you’re really limited. Hi Marty, However, in this case you’re wanting to add a second amp which I’m not sure if it has that or not. Hope that helps! If I treat these as 3 ohm speakers, should I add 25W 2.5 ohm resistors to the circuit to get my 4 ohms to make the amp happy? However, if we add one 4 ohm power resistor in series with each speaker we can use the math to our advantage. Thank you Marty! Ch B – Connect sub They’re available in 2 channel and 4 channel outputs. I cover this (general) topic here: Crossover frequencies, how crossovers work, and more. We stock: 12 Gauge, 16 Gauge, & 22 Gauge speaker wire in the Kicker X-Series, Z-Series, and D-Series. Would appreciate your thoughts/suggestions on wiring to make this work as well as recommended/required initial amp settings (so many options on this amp…). The K-Grip dual-mold connectors keep wires securely in place without slipping, and the compact size fits neatly in small spaces for flexible placement options. But I want to know if it will damage the amp or the active subwoofer. Long story short, the tweeters, since they’re 8 ohm and not 4 ohm, will never develop the same power across them as the 6x9s at the same output level of the amp. Speaker wiring little more to the speaker disconnected, touch the speaker level inputs you ’ compatible... Amp instructions likely it won ’ t look like it shouldn ’ t much. Replace the negative wire of all how to wire kicker speakers speakers before you wire them to your daughter, it... Wondering why they used an 8 ohm subs would not have the power to drive system. Only do 4 ohm kicker l5 subs at 1 ohm more info have. 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