Most 12 volt relays can supply up to 30 amps of current which is more than enough for all your turn on circuits. Benefits and drawbacks. Two amps should be connected to two speakers. Car audio amplifiers commonly have only a 13.8 volt supply and obtaining the voltage levels in the amplifier circuit required for even modest powers is expensive. 4 years ago. Connecting 2 amps together . Posted on Saturday, July 02, 2005 - 15:35 GMT . For tips on connecting an amplifier to a factory stereo, read this article instead. Connect the amp to the first speaker. The basic concept is that when connecting in parallel, you add the amp hour ratings of the batteries together, but the voltage remains the same. Lorenzo is back and is going to show you how to wire your Speakers and Subwoofers to your Amplifier!! Also another thought if your amp has input and output rca's you can just connect the RCA from your HU to amp 1, and rca's from amp 1 to amp 2, thats the way I'm running my setup now. 3 Answers . You did not say if you were doing this for one sub or two. Lv 5. A crossover is actually an audio processing unit, which is able to separate a single audio signal to two or more frequency ranges. So if you want to connect 4 speakers in total, you are only going to connect 2 speakers to each amplifier. If using speaker level inputs on the amp, use the connections shown above. Active crossovers are separate components, and are connected between the sound source (a mixer or preamp), and the amplifier. Same make, Amp hour (Ah) rating and if you can the same manufacture date. Car - 99 Neon Sport. For this case, you want to put your speakers in series, so the total impedance of the speakers will be 8+8=16 ohms, matching the amplifier. New member. Relevance. Bridging is a special feature in car amplifiers which lets you get the maximum amount of power they can produce by using a built-in channel-sharing design. Can someone else verify that works? click link down below. The other amp is a small 40-watt Eastcoast bass amp, I was thinking of connecting the two together somehow to give the bigger amp a bit of a volume boost Nov 23, 2009 #9. Many people think that if they have a speaker rated at 50 watts, then adding another 50 watt speaker will give them 100 watts of power. Today you will lean the different ways you can connect 2 amps together to see which one would work the best for your situation. 2. If both speakers are less than 8 ohms, or the amplifier requires a total load impedance greater than 4 ohms, then it is best to connect the speakers in series. Your channels combine so you don't get "extra" channels as you asked. The may be labled "lineout" or perhaps "preamp out." This is hands-down the most reliable way to extend & splice speaker as when done properly soldered wire is extremely strong and is permanent. 500 and 900w don't tell us much about your amps … this can be done two ways. Lv 7. Once all of the wiring has been connected to their corresponding wires, you will need to make those connections permanent. In any case, there are a million ways to slave amps. 1. get two 'strapable' amplifier's that can be bridged. Connect your preamplifier to your amplifier. Then the same for the right channels. Bassmec. 1/ if one of the amps has a dedicated line level output then you may well be able to wire the CD player into that one and then using a pair of phonos, send the signal out to the other amp. Ensure the ground wire connection is to bare metal. Check out our amplifier wiring diagram to see how the wiring gets connected in a typical 2-amp system. The result is a functional, safe, and aesthetic switch that allows to safely connect two amps to one set of speakers and switch between them even when the amps are on, just like the $120 Beresford switch, but ours costs only $22 in parts (again including the cost of speakers that we gutted to make the enclosure). 0 0. Connecting 2 Amps to 1 Capacitor Thread starter lostboy; Start date Jun 20, 2005; Forums. Connecting speaker wire together by soldering. 2/ use the tape monitor outputs on one of the amps (if either has them fitted) to the other. Do not connect a two channel amp to more than two speakers because it will damage your amp. In this article, our editors have explained in detail all the steps that will help you connect a crossover to car speakers. Anonymous . Mga Kasounds inulit ko ulit ang Video na ito dito malakas na ang boses ko. For example: two 6 volt 4.5 Ah batteries wired in parallel are capable of providing 6 volt 9 amp hours (4.5 Ah + 4.5 Ah). If you are unsure if your vehicle utilizes external amplifiers, refer to the owner’s manual. The head unit’s left channel RCA jack is connected to the left front and left rear amp inputs. Connecting 2 amps together in car.? Any decent size combo will have a line out. Look at it this way, you have a 2ch amp, look at each amp as one ch of the 2ch amp. Answer Save. Example: You have two 8 ohm speakers you want to connect to an amplifier with an output impedance of 16 ohms. 2. 4. One thing to remember, if you are going to install a second battery, you are going to have to start with two new, identical batteries. Now you might want to know how to connect two car amps together if your are adding a second for another subwoofer or for the front and rear speakers. James Judson said: ↑ Bad Idea. Wires must be connected correctly on both the receiver or amplifier and speakers. Using a regular 1/4 cable, locate the LINE OUT on the master amp. Connect cables from the output terminals of your preamp to input plugs at the back of your amplifier. To begin, follow the wire cutting & stripping steps from the first section (using crimp connectors). In professional audio applications, two amplifiers are used to create a bi-amped system. You will control gain, EQ, etc from this amp. Sending the audio signal from a receiver to a 4-channel amplifier's inputs via RCA cables or the amp's speaker-level inputs is straight forward and simple enough, but getting the amplified signal back to the speakers—well that's another matter.. 1 decade ago. Connecting amps is easy run the signal in from your radio to the input RCA's on the first amp, the run another set of RCA's from the output on the first amp to the input of the second amp. Most car amps can handle a 4 ohm load, which is what it would be. You can … Wiring, Electrical and Installation Help . You can still connect a head unit car stereo with only 2 channels (left and right) to a 4 channel amp easily. "strapping" two amps together doubles the output at the given ohm load. 2. use two identical amplifiers with a dual voice coil subwoofer. In most cases, you only need 2 RCA Y adapter cables. Bridge mode operation helps provide the power required at lower cost. If you connect the speakers in series, you're adding the speaker impedances together. Also, you shouldn't bypass your subs' jumper - they need both coils to operate properly. Attach the power cable to the positive battery terminal (not directly to the battery post itself). as far as a remote gain splitter I do belive you can use a phone splitter for that, all the cord for a remote gain is phone line anyhow. Chris, You should never connect the outputs of two amplifiers together in a system - they'll try and burn each other up. Speaker Power. JL Audio is an awesome product I have JL Audio. Passive crossovers built into speakers' cabinets are used in compact music systems. The second amp will be the slave. L. lostboy Junior Member. One i think is that with 2 amps doing the work of one you don't have the same power supply interaction which can make for a less dynamic tone. Source(s): many, many system installs and weekly chat's with local car audio pro's. I currently have 1 amp installed in my car running my subwoofer, i'm wanting to connect another amp exactly the same to that amp to run my 4 speakers does anyone know how to piggy back my new amp to my current amp. to do this you must set the amplifiers to output the exact same amount of power by using a digital muilti meter on the amplifiers output and matching the voltage to within 1/10 of a volt. Your amplifier will be connected to your speakers via the output terminals. Most people who want to connect two batteries together are trying to expand the battery capacity of their existing setup. May 9, 2008 Ipswich UK Proprietor Springvale Studios . And i would only need one fuse block on the 4 gauge by the battery, correct? How to solder speaker wire. Decide which of the two amps you like the tone of better. This prevents your head unit from trying to deliver too much current which can burn out the turn on circuitry in the head unit. This is the amp you should use as the master. I have a 5oow and 900w amp which I m trying to connect together. Crossfire amps are easy to do. This article discusses adding an amplifier to an aftermarket stereo. Method one provides the best sound quality, as it reduces buzzing and humming sounds since its known to … Will a 4gauge power wire into a distribution block, then 8 gauge wire to both amps be good? Secure all connected wires. Is there a way to connect two amps together? The rated power of speakers is a concept often misunderstood. Step 5 — Connect the power wire . I have two 1000D crossfires set up as master and slave. Nov 22, 2009 #2. If you connect two 8 ohm speakers to the average car amp, then yes, probably. James canty . The relay will then connect the 12 volt signal to the amplifiers and other components. N2Audio. U can't B like me. Car Audio Help 101. 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). Jun 20, 2005 1 0 Auckland, New Zealand. This is a very common wiring use of a 4 channel amp for situations in which you’d like more power available and don’t need 4 separate amplifier channels. Remove any … Connect the ground wire to a metal point connected to the car's chassis or a dedicated grounding point. A 4 channel car amplifier bridged to 2 channels. Connecting Receivers or Amplifiers . Connecting in parallel increases amp hour capacity only. You may want to connect 2 speakers to one amplifier without individual switching or volume controls if you: ... To calculate the total load impedance of speakers in series, simply add the impedances together. 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