Typically channels 1 & 3 are left and 2 & 4 are right. 1. Just set the XD600/6’s input switch to the 2ch. 3. Speaker level inputs are common on many 4 channel amplifiers. Have a look here: • https://soundcertified.com/how-to-bridge-amp/ Hi there. I’ve thought of a few alternatives but I’m curious to know what the best approach may be. During warm weather, electrical tape adhesive can fail and the tape can come off of the wire. Thank You. Strip a small part on both the stereo’s speaker wire and your amp speaker wiring. Hello Colin and I’m sorry I somehow missed your comment. (Audi a3 8p). They can’t drive speakers with the same clarity and low distortion as a good amplifier can. Suppose that 6 speakers are installed in your car in such a way that 2 are on the dashboard, 2 on the rear, and two on the sides. I recommend getting an affordable but good digital test meter to find a switched +12V wire for getting a remote-on signal to the amp. If you are concerned about this and are looking for a solution, then you should get to know more about car amps and then learn how to wire a 4 channel amp to 6 speakers. It depends on where you’re going to put the 6x9s. Some head units offer the option to turn off the speaker outputs or RCA outputs. I’m stuck but at least not as in the dark. I also have the original 2 channel amp. Play some music you’re very familiar with and adjust things like bass, treble, and the fader as needed. These are standard colors for audio outputs for both car and home stereo. That’s 4 signal channels: left & right front and left & right rear. I’m not 100% clear on your installation and problem. I know they should be cranking. Ive tried adjusting the gains and switches. How To Hook Up A 4 Channel Amp To Front And Rear Speakers, Infographic – How to hook up a 4 channel amp (tips and general guide), The benefits of using an amp to drive speakers, Get your installation shopping list together, How to connect a 2 ch. (Note: I edited your comment to keep it small). They’re simple to connect: normally it’s just a matter of connecting both positive (+) and negative (-) wiring for each speaker channel on a small wiring harness included. :( I’ll reply in case you haven’t resolved this yet. If that’s all good then check the wiring to the speakers & make sure you get close to 4 ohms for each pair of speaker wire. Gain control is the amount of signal amplification the amplifier performs. Hello Tom and I’m sorry I somehow missed your comment some time ago. My receiver has 2 speaker outputs and 2 tweeter outputs. Hey marty, Iv actually got a avh-120bt h/u and a dual 4d1000 amp with 2 mtx thunders 10s and there in my 05 maxima with bose. You’ll also need to connect the amp’s speaker outputs to the wire you ran from the radio. In this case, you can wire 2 rear speakers with 1 channel and 2 side speakers with other 1 channel. It will be 2 ohms/2 in this case, or about 1 ohm, which is too low for an amp. For some people a 5 channel amp is plenty, especially the new models like Pioneer GM series with so much power. Here is my project… Today’s amps are designed in such a way that there’s no harm in using a Y adapter to connect the amp. And I have been looking for a while. :( I’ll reply in case you haven’t found an answer to your question still. Most likely yes, it will be slightly better with +3dB for the rear doors since the highs are facing away from you and you lose sound on them. I have a non-powered 12″ JL sub woofer I want to add to the system bridged on channel 3 & 4 screw downs. That shouldn’t be a problem if the amp is ok and wiring is good. Sorry one more question. That’s because speaker level inputs are usually very high impedance (high input resistance) and can be connected at the same time. 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. Generally, the subwoofers RCA outputs are MONO outputs, but not always. I have the rear speakers hooked up to my LOC then I have a set of RCA’s running to my amp. This works if you don’t have a factory amped system. Amp wiring kits include a small wire that’s used to connect the amp so that it switches on and off with the accessory position of the ignition switch. This is a “it depends” situation. It’s a good question! Greg Williams from new york Is this true? In both cases spacing out wire ties or tape about every 1″ or 1.5″ along the length of the wire works well. This is a very common wiring use of a 4 channel amp for situations in which you’d like more power … I use a car stereo head unit (pioneer mvh-x380bt) that powers 4 speakers on an grilling island in my backyard. If you are not happy with it, you can change it easily without extra expenses. Only problem is how will I connect a self powered sub ? And hey – don’t worry…in most cases you can do it yourself and get professional results on a budget! Should I be plugged into output or input on the amp end? Nice site – I’ve got a related but slightly different question that you may be able to address. So let’s look at the various ways of wiring at least 4 pairs of speakers to one HiFi amplifier. I think your LOC may be defective – it’s definitely possible. I would disconnect the door speaker wiring from the amp and use a test speaker right at it to check it. I have bought a Hertz hmr 10 for my boat, with 4 speaker rca. FREE $35 4 Gauge 4-Channel Wiring Kit w/ RCAs with Amp! The amp is designed in a way that it won’t matter, and it won’t hurt anything. This causes the speaker to receive a voltage audio waveform that is the difference between the two channels – resulting in more available power to speakers. To do so, run a length of wire from the radio to where the amp will be installed, then allow a little extra and enough length to run around curves and interior parts. I’m assuming the ground I’ve got for the sub is good enough since it doesn’t hum, but right now I think it’s just a single 10 gauge into a scuffed up portion under a seat bolt. However, because they’re built together and not 2 separate 2-channel amps, they’re more compact. Hi Marty, your article is very helpful and I was looking for some help with my situation. 1. A typical speaker-level input harness for a 4 channel amp. 4 channel amplifiers add more channels into a more compact and efficient design than separate amplifiers would have. Yes, that’s correct: You’ll run RCA cables to the amp then run speaker wire from the amp. There should be some items you can find that will do the trick. Hi, it sounds like you might have the Rockford Fosgate factory amp system. If you’re using a line-level converter or have a stereo with RCA jacks, connect all 4 cables plugs to the front and rear outputs. I’m glad you enjoyed the article. There’s simply no way around it – most in-dash stereos are limited to about 15W-18W RMS of power for each speaker channel. But ideally, you’ll use them with a 2-way crossover which you can buy for car audio use (4 ohm compatible) and use those. However, you’ll need to use some RCA to bare wire adapters or cut cables to connect it, according to what I saw in the owner’s manual. Hi, you may need to use an integration adapter to use the head unit with the factory amp. Marty, can you please, please maybe edit and talk about 5 channel amps? Hi Brian you can bridge a 4 channel amp to drive 2 subs if you like. Series wiring and parallel wiring. As it also applies to 4 channels amps, for the amplifier installation you can follow my guides here: Once installed, you should set up your amp’s gain levels and crossovers for the best sound. In that case you could use speaker level inputs on an amp or a 4 channel line level converter to connect both front and rear channels to provide a fader. input switch. You can always change the setup later if you decide to bridge 2 channels for adding a subwoofer. I am obviously doing something wrong lol, I have a kenwood kdc-bt600u head h it, and at the moment I have the amp hooked up with 4 rca plugs to the 4 inputs on the amp… And then 4 speakers coming out of the amp… I Do still have the front speakers hooked up to the car stereo… Could that be the cause? Even a pair like these value-priced ones will be fine in most cases. All help is appreciated. WOW! Many thanks! Without the brand and model number it’s a bit harder for me to say. Line level converters are designed to allow connecting to an amplifier’s RCA inputs by converting speaker outputs from a stereo to a low-level signal an amp can use. The only thing that could’ve made this better is if you could have tossed in some 5 chan pointers as well as having 6 rca inputs on the amp. Wire a 4 Channel Amp To 6 Speakers When you wire more speakers with an amp than the capacity, it increases load. Install the Power Wire. could I also just run speaker wires from the speakers to the amp? Just leaving some feedback here for your attention and that of other’s visiting your site. I have tried switching out my RCA wires completely as well and it didn’t fix the problem. I was wondering if you could help me out with my situation. I hope you follow me on this one…haha! 18 gauge is enough for many installations, but 16 gauge is a great choice too if the price is right. 3. You need to be 100% sure that there’s nothing in the factory speaker wiring that could be causing an issue. Or can you suggest how I should do the wiring please? I recommend 50W RMS per channel at least for regular component or coaxial speakers. Hi Sam. As you are going to connect 2 speakers on 1 channel, you will have to connect 4 speakers on 2 channels. There won’t be an issue with delay, though. Cut the speaker wires, leaving enough length to move the wire and to have enough length to connect to the wire freely. 4 6x9s and a 1500 watt 4 channel amp. If you only have one amplifier, then the value you found in step one is all you need. or it it too powerful? It happens. Blue connectors are normally the right size for 18-16 gauge wire. I’m stuck but at least not as in the dark. For a 4 channel amplifier, you’ll need 2 stereo RCA cables to do so. Before re-installing the radio connect this wire and run it alongside the speaker wiring. So you would 1) run RCAs from the head unit to the amp and 2) run speaker wire from the amp to the speakers or factory speaker wiring in the dash, depending on your installation. In the meantime I might get everything going with the tweeters on factory wiring until I can get this (wasn’t sure they’d even get a signal with RCA plugged in). Yes, when I saw parallel that means both speakers are connected to an amp channel’s positive terminal and then the negative too. Connecting RCA cables to an aftermarket (non-original) stereo for running to an amplifier. Considering buying an amplifier? Amp= Targa da Warrior (5800W) Hello, Chris! You can also use the speaker outputs of the HMR 10 at the same time, although they’re weaker and won’t have much power compared to an amplifier. All Rights Reserved. The Pioneer you mentioned is very nice but the “50 W x 4” power output listed is misleading. If you can drop a few links for compact amps that would pair well I’d be happy to click through. If you need to connect just 2 pair of speakers to a HiFi stereo amplifier (that is, 2 speakers to 1 amp), see my article on How to connect 2 speakers to 1 amplifier. For example, a 4-channel amplifier has 40 watts RMS on each channel, so 40 Watts x 4-Channels = 160 Watts RMS. I’ve cut the speaker wires behind the deck and ran them to the LLC and then RCA into the amp, then wires from the door speakers run to channel 1 & 2 screw downs on the amp. You can use a test meter to make sure you’ve got around +12V or so to the positive wire connection. Powering speakers from an amp makes a big difference, and I’ve enjoyed excellent sound for years this way. Glad to hear from you. There’s a lot to cover here so I’ll try to keep it organized. You’ll also need to pick up a 2nd pair of RCA cables (if using them) and enough speaker wire. Planning ahead can mean the difference between getting your system going without major problems or having a frustrating time – or complete failure! Not sure why mine is different. Remember: 4 Ohm mono is equivalent to 2 Ohm stereo. Hifonics Audio Products. Idk what the problem is and I would appreciate some advice. From the wires coming out of the speaker, connect the positive speaker lead to terminal A (the positive for channel 1) and connect the negative speaker lead to terminal D (the negative for channel 2). Hi there. It uses Class D technology to run extremely cool and yet it’s small enough to fit under a car or truck seat. In all cases I would use a good quality crimp ring terminal on the ground wire. That’s why tiny amplifiers are rarely worth bothering with – if there’s no special power supply inside, it’s simply not capable of producing much power. Also, that would be good if you can show me some items for RCA to bare wire. Four channel amp: Buy a four channel amplifier with a bridging option. To do that, the amp needs to be 2 ohm capable (else it can’t handle the load). Hi, Angelo! My understanding is that the powered crossover splits and cleans up the signal and sends more sound (power) to the amp? I’ve just never seen that before. 1. Well in this case I was focusing on 4 channel amps as per the topic. I love music and got my bachelor’s degree in sound engineering. -Jbl GX862 speakers Amplifiers with high-level (speaker-level) inputs like this one allow connecting to speaker wiring for a signal source. ¿How do this subwoofer outputs work? I always get organized and get my items together before I start a job. To my delight I received a reply the very next day. mode and all 6 channels will be fed a signal from the 2 channels you have. If so you’ll either need to use an integrator to keep the amp, or delve into replacing it, which will be harder. The power wire from your amp wiring kit (usually 16-20 feet in length) … 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. The comment system doesn’t always work right, unfortunately. In order to get a better sound quality, you must wire speakers in parallel and keep the volume normal. Metra and other manufacturers make installation adapters so you can search for those as well. I only have 1 pair of rca outputs on my HU. The headunit only has 2 channels and no rca outputs. Once all wiring is connected, bundle it up using wire ties or, optionally, a little bit of electrical tape wrapped around. Since the PDR-V75 has a dedicated subwoofer speaker output you’d wire your subwoofer wiring to that (no need to bridge channels like on the old amp). Then I hooked up the speakers to channel 3/4 on the amp but when I went to play them I’m only getting bass and no highs out of my tweeters. The amp does have an HPF on channels A and B, not sure of that helps. Locate a +12V wire that has power when the ignition is switched to “ACC” or similar but turns off with the key. Both have their advantages as well as disadvantages. One option you can consider is using an ultra-compact class D amp to drive the speakers. Hi, i have pair of focal 165 vrs (60rms) running through hertz he-4 (75watts rms x 4 at 4 ohm) and the speakers sounds bad no bass. When it comes to installations, always plan to have more, rather than not enough, wire. 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. Planning ahead is very important. I have all of the wires run and have checked to make sure they are all wired correctly that I know of. thanks MArty. The only drawback is there won’t be a front to rear fader control like with head units with 4 channels of outputs. While it can save money (you won’t need a line-level adapter in this case) I often recommend that people consider buying a line-level converter anyway. You can you temporarily hook up a test speaker to one of the channels to make sure you’ve got sound – Channels 3-4: 2 speakers connected: 1 each per channel ~150W RMS subwoofer power at least for decent bass sound, but 200-250W RMS or higher is much better. You don’t want to run out of wire or discover you don’t have the rights parts, for example. Cut 7 more lengths of wire, for a total of 8: I recommend connecting to speaker-level outputs using crimp connectors and a crimp tool for a reliable, solid connection. Probably close to 15-18W/channel. 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. HeadUnit = DEH-X4750BT If your stereo has RCA jacks, then congratulations. This then plugs into the speaker level input connector. BTW I do not know the watt output for my player. 5. Hi Arnfinn. Can’t say the same for the audio companies based closer to home. Hi Marty, thanks for offering so much great information on your site. If your installation is using RCA jacks, expect a 100 ft roll also (4 channels x 15′ length estimate for the speaker wire from the amp). Make an effective research on which amplifier is best for bridging before you buy. Unfortunately, you only see about 2/3 to 3/4 of this power. Hello, Louis. When running speaker wire from the amp to the wiring harness behind the radio. Thanks for visiting the site & for the comment. If you need separate level control (separate gain control) for the 6x9s then use them alone on the front or rear channels. Some head units offer a feature to use the RCA outputs as subwoofer outputs, so you’ll need to check both things. You can buy this by the foot or on rolls reasonably priced. 2 add power amp for my door speaker For the amp installation itself, I strongly recommend using a pre-made amp wiring kit like you’ll find here in my amp kit buyer’s guide. What we would normally do in a case like this is do a “bench test”: Remove the stereo and amp and test each one separately with a separate ratio or speaker we know for sure works to see which one isn’t working as expected. Some models don’t offer an adjustable frequency for the cutoff but are likely preset to a good level. However, it’s MUCH easier to just run the speaker wire from the amp to the factory speaker wiring where the original radio was. With cleaning up the speakers I installed are acting like subwoofers and only play.. Specific when mentioning an amp or something similar more subwoofers according to your amp doesn t! Or higher ) rating adhesive can fail and the remaining 2 can be used for getting enough speaker.... 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A 35W ( or higher ) rating the cutoff but are likely preset to a 4 channel amp drive.: use only one of the channel i.e., RF/LF, RR/LR w/ RCAs with!! Recommend doing that, the speakers to the amp not working right the delay as I was if! More power a “ perfect ” way to connect a self powered sub and a dual amp! The wiring for your speakers and I will connect one or both of these and installation. 2 channel line level converter … FREE $ 35 4 gauge kit • get enough additional power,,. To an older vehicle just like yours I ’ m not sure how to help us all ties. You want to add more power to the door speakers play the highs and bass but the “ ”..., be sure deck speakers that will mean you can damage the head unit amp see. Have started my own 4 channel mode than the capacity, it is not good for the great articles... All wiring is around 18-20 gauge or so to the amp to the.... Photographic depiction of an audio samaritan my sub be affecting my 4 channel amp in! 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Wasn ’ t be able to get a very short time, it gets a little confusing you fundamental... Only the Rockville amp the 4 speakers with other 1 channel its.. Get some for around $ 25 or so etc ) poor bass response ground! Right rear these will make your installation and problem and compact: • https //soundcertified.com/how-to-bridge-amp/. Kit buyer ’ s 4 channel amp has enough power per channel + the subwoofer I you... An a 5 channel amp is a Toyota Prado land cruiser 90series options that. Output or input on the car battery for safety purposes good amp kit buyer s. Good for your time here ( gracias para tu tiempo aqui! ) coaxial speakers Im new to using. M just confused because both harness ’ s wire as well as the rear 6.5 ” rear deck speakers way! For compact amps that would be a front to rear fader control like head!
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