The other amplifier powers a set of component speakers in the front of the car (with the signal first passing through the speakers’ passive crossovers) and a pair of coaxial speakers in the rear of the car. Forrest, There are a few different ways to set amp gain. You recommend fading to the front and rear channels separately when setting gains but everything I have read says to keep it balanced. If you do have a subwoofer in your system, adjust the receiver's fade control to the front speakers only and turn up the volume until the music is loud, but not uncomfortable. Robert, If you bought your gear from Crutchfield, you could call Tech Support for free help troubleshooting your system. Thank you. Power on your amplifiers and verify that both amplifiers are on the correct input (your audio source for the primary amplifier and the analog input for the secondary amplifier). I have read a lot of posts that say the gains can be set with the ignition in ACC initially but to dial them in it should be running. Attempting to use an amplifier at an unstable load will damage the amp. Very interesting article! Check Crutchfield out first! You have now successfully Bi-amped your amplifiers to your audio system. Connect the second amplifier to the bottom binding posts of your left and right speaker. I've never heard of anyone setting amp gain while the engine is running - too much noise and fumes. Kicker 41DSC654. In 2006, I finally came to my senses and got this job at Crutchfield. Working in a music store in Austin, Texas, I spent a few years manufacturing, installing, repairing, and operating sound systems. A1 company!! Set the receiver's fade control all the way to the rear speakers. Turn on all the units of your system. Besides, bumping the voltage from 12V while off to 13.8V while running has no effect on the receiver's output or amp's input sensitivity, only the amp's output level. By Ben Murphy. Buck, thank you for the response. I have been buying car audio equipment from Crutchfield since the late 80's. Adjust the volume levels on both amplifiers to be identical or to your listening preference. quick question, why do you set the gains for speakers with HPF off instead of turning on the high pass filter first and then setting gains? And you will listen to it over and over again. If one intends to only improve the sound quality with the car’s factory speakers, a compact 4-channel amplifier is a great way to give more power to the car’s speakers. Hello team, BOSS Audio Systems R1100M Monoblock Car Amplifier - 1100 Watt Amp, 2/4 Ohm Stable, Class A/B, Mosfet Power Supply, Remote Subwoofer Control, Subwoofer Amplifier 4.4 out of 5 stars 5,723 Wireless Phone Accessory Please advise why you would fade when setting gains. Service is great & everything arrives safe and on time. Car amplifier audio terms - like watts, volts, and efficiency - are explained. I've made many purchases & never been disappointed. by Crutchfield's One amp for tweeters and midranges and the other for mid bass and bridged amp.Can you please tell in detail Connect an RCA cable from the Pre-Out of your first amplifier to the inputs of your second amplifier. Could you please tell me how I'm supposed to have this particular group of hardware setup to work well together. An amplifier helps optimize your car's audio system, but don't pay someone else to install it. Comments may be edited for clarity. Excellent and informative site with expert product reps. Crutchfield has always delivered! Before you acquire an amplifier remember that there are two main classifications of car amplifiers. I am very pleased with the arrival time of my car stereo, very easy website to maneuver, and a quick fast checkout. Tony, Without knowing precisely what equipment you're referring to, we can't help you with advice. Larger, multiple amp systems are even a bigger drain on your electrical system, in many cases depleting the system's current capacity thereby lowering the voltage far enough that it cannot properly supply the amplifier… Unless stated otherwise, this amp would be unstable below 2 ohms stereo or 4 ohms mono bridged. Troubleshooting your car amplifier installation, Disabling active noise cancellation (ANC) in your car, Rockford Fosgate Power T400X4ad 4-channel amplifier. Getting hands-on with our products helps us pick what's best for our customers. How do I adjust the gain on the Pac Lp7-4 and the the Amp? I have a pac lp7-4 and just bought the Rockford Fosgate M400 from Crutchfield. For the most part, “Strapping” – aka ‘Bridging’ – TWO amps together is done to get Double the @1ohm Power Rating of One Amp. Crutchfield collects state sales tax on items shipping to the following states: AK, AL, AR, AZ, CA, CO, CT, DC, GA, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MS, NC, ND, NE, NJ, NM, NV, NY, OH, OK, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY. Your music will sound cleaner, louder, and just plain better than you ever thought possible. Donald, The gains of both devices need to get set to prevent distortion. I am using a 4 channel-amp but it does not have the gain for the subwoofer. Those two channels are the pair that get bridged together, so the one gain still works for them both. 2-what basic frequencies should i set on dsp for each channel. But performance in the real world is affected by the acoustics of your car or home, your choice of amplification, and your source material. They were so helpful & the company really seems to care. How do you set the gain on a bridged amplifier, since now your combining to two channels to make one? After college, I joined a rock 'n roll band as the soundman and learned how to lug around and operate the gear that helps make music sound good and loud. Our CEO, Bill, is a huge animal lover. Of course my car stereo only has 1 EQ that controls the front and the back so.. How can I leave the rear on "Full" The front on "High" and still get good sound. Our Vehicle Research Team has taken apart and measured over 28,000 vehicles. Sennheiser HD 280 Pro over-the-ear headphones, AudioQuest DragonFly® Black DAC/headphone amp, Guide to getting the most out of your listening session. Since you will be running it off 12V power supply (more about that in further steps) you might not get as stable power as you would in your car. To accomplish this you will need two amplifiers, and a set of speakers with four available binding posts on each. If you hear distortion, turn down the receiver's volume until the distortion goes away and the music sounds clean. I always got them back together again and working. Good customer service and best prices. There are two possible scenarios that can be affected by this higher current draw: You want to run your stereo for long periods with the engine off. Confused about wiring your subs and picking the right amplifier? If your highs and lows seem balanced but the bass sounds like it's coming from the rear, adjust the sub amp's low-pass filter lower to "de-localize" it. John, You'll want to quiet the rear speakers when setting the gain for the front channels and quiet the front speakers when setting the gain for the rear channels because you'll want to hear what's going on clearly. Engaging a high-pass filter later will not hurt the gain setting. Which one would be best to get some bass to the subs? The reason this is possible is that today’s car amps have a design in which one of each 2 audio channels is actually inverted (you can also say 180 degrees out of phase) but is normally connected at the output in a non-inverted fashion. Adding a 4-channel amp to your car stereo system — two channels to run the front speakers and two channels to run the rear speakers — not only raises the sound level, but also greatly increases the sound quality of your music. Connect the first amplifier to the top binding posts of your left and right speaker. What the best way to setup the amp is and possibly a little help with the stereo to get it sounding good? However, adding any EQ or bass boost will necessitate re-setting the gain. Set your receiver's tone or EQ controls, its balance, and its fade to their middle, off, or flat positions. Upgrading to Full Version of Dirac Live Room Correction for NAD, Connecting a Subwoofer to an amp with no subwoofer out. Again, turn the receiver's volume up to ¾ full and turn up the rear gain control of your amp until the music distorts, then turn it down so it plays clean again. Knowing which model headphones you’re using lets us remove any sonic coloring from your experience. A mono, or one-channel, amplifier can power a single speaker, and is often used to add a subwoofer. 3. I'm kinda going nuts trying to figure it out. If you don’t like your factory stereo, then you probably want to start off … and mobile security (car alarms and remote start) … After reading your reviews on them, I just had to have them. Your sub amp's low-pass filter should already be tuned to reproduce only the low notes. Before turning on your system, make sure your amplifier's gains are set to their minimums, their high- and low-pass filters are off (set to "all pass" or flat), and that any bass and treble boosts are also off. My 1st purchase from you was 40 years ago when installing a stereo in my 74 Toyota. Check out this overview of a typical installation to see the steps involved when you install an amplifier in your vehicle. Gaetan, It's not at all clear what your system consists of or how it's connected, but generally speaking, you should engage an amplifier's high-pass filter when powering speakers so they won't distort trying to play low notes. Crutchfield is servicemark of Crutchfield Corporation. This is how I'd tune it up: Take your time and tune it all for your own ears and you will never go wrong. Billy, If you know for a fact that the receiver doesn't distort at full volume - like you measured it with an oscilloscope - you can go ahead and set amp gain with the receiver on full. Mike, Use the filters of one device only. Given my background, they put me to work writing about some of the most complex electronic products Crutchfield sells: car amplifiers, digital signal processors, wiring, professional sound mixers, and PA systems. Play your test music. Please, if you can email me??? In other states where we don't collect sales tax, it may be the customer's responsibility to assure that all appropriate state use taxes are paid. My HU also has a pair of subwoofer wires coming out also, do i hook up to those instead of the HU rca outputs for the subs or am i missing something. For instance, if the vocals sound tinny, you can adjust the high-pass filters on your 4-channel amp to include more low notes. I have 2 X CT Sounds Meso 6's and 2 X CT Sounds Meso 6x9 with the CT T-60.4 amplifier. This makes the setup – AFTER “strapping” – stable ONLY to a 2-ohm final load. All rights reserved. Here's a method for setting amp gain fast and accurately using test tones. Back to Kicker this time for a look a 4-pack set of thin-profile coaxial speaker … These wiring diagrams illustrate how amplifiers connect to your audio system, which will make it easier to shop for the gear you need for the system of your dreams. Our employees and their families kick back during outdoor movie night at our headquarters. It's time to change things up and install this 4 channel amp with DSP inside and this 1500 watt RMS subwoofer amplifier! 2. Crutchfield: Audio, video, and more. So now I am confused as to keep the HPF off for initial gain setting or not, and what the reasoning is. Their intuitive videos are the highlight for me that keep me coming back. Bi-amping two amplifiers to your speakers can greatly improve the sound quality of your audio system. Amplifier Setup: Gain Setting-1. What wiring do I need? im using two 4 channel amps and a dsp. Case 2: 1 Two channel amplifier, 2 speakers: Similar to the above setup one can connect a two channel amplifier with two speakers. I have my EQ set to flat and no boosters from the stereo. With this setup you will have one amplifier manage the woofer of your sound system and the other amplifier manage the mid and tweeter range. I the rear channels on 2 4 ohm 10 inch subs. From the amplifier, an amplified audio signal (the solid black line) goes to each speaker in the system — one amplifier powers a subwoofer. If the last option was a little concert venue then this option is the Madison Square Garden of mobile audio. Aug 17, 2017 - So the number one question I read here on the forums is how do I wire my second battery. Thank you Mr. Buck for this short and detailed tutorial , i have seen many videos on youtube on how to tune the amplifiers for speakers and subs but some of them are toooo long and boring and some are too short and doesnt explain anything , i always come here for research and always find answers . There are many reasons you might want to connect two amplifiers to your stereo or home theater system. First ensure both your amplifiers are both powered off and remove any bridges connected to the binding posts of your speakers, then follow the steps provided below to Bi-amp your speakers. Multiple Mids and Highs These are also known as "door speakers", "vocal speakers", "6 by 5" or "6 by … 4. We still believe that the gold standard for auditioning speakers is hearing them in your own environment — that’s why we offer a 60-day money-back guarantee. 1-HPF or LPF ,should be engaged on amps ?? Where should I mount it? Large wattage car stereo amplifiers draw large amounts of current from your vehicle's electrical system. Great price on sale, and awesome service. Bass boost and subsonic filter. Generally, amplifiers for your car stereo are categorized by the number of channels they’re designed to power. His buddy Enzo smothers him with kisses during a recent photo shoot. then enter to win a $350 gift card. Car amplifiers are mostly rated at 14,4V and lower impedances (1 or 2 ohm for example) while some home amplifiers can only go as low as 4 ohms. Slowly turn up the gain of your subwoofer amplifier until the bass notes sound balanced and smoothly blended with the rest of the music. To help you choose the right speakers, we recommend using Crutchfield’s SpeakerCompare Listening Kit. By doing this, each amplifier will only need to carry half the total output and allow for greater amplification and audio fidelity to your speakers. The subs that I'm using sound awesome, but I'm actually turning those off so I can try to get the best sound out of the components. Add a Bi-Amp Setup, even Higher Output Speakers, and even Higher Output Subs. Our customers were recording studios, nightclubs, and touring bands. For Tech Support, call Should I use 3 channels and wire my subs together ? If you have no subwoofer in your system, restore your receiver's original tone, balance, and fade settings now. You will need to create a tone that will allow you to test your system. Do you go for an integrated amplifier or separate pre/power boxes? Tech support is excellent and very knowledgeable. Smooth any roughness by fine-tuning the filters. Thank you for your time, Thoughts? Can you clear this up for me? You need to set your amplifiers gain correctly in order to enjoy your musics full range of dynamics hearing all the notes clearly, whether loud or soft. SpeakerCompare simulates the sound of home and car speakers through your headphones. Set LPF to 100-125Hz. SpeakerCompare gives you a sense of the sonic differences. Building a Stereo System. Two-channel amps can power two speakers, four-channel amps … A subwoofer needs to be crossed over with a low-pass filter, for efficient, clean bass. For this how-to, I’m going to use the DC Audio 7.5k. But if you’re reading this before you’ve chosen the two-channel amplifier needed to drive your system, you have an important decision to make. Crutchfield will get you on the fast track to big bass with this simple guide. If you have a subwoofer in your system, turn its amp gain all the way down. Bi-amping two amplifiers to your speakers can greatly improve the sound quality of your audio system. Highly recommend, customer support was excellent. SpeakerCompare is protected by patents and patent applications owned by Crutchfield Corporation. In an actual listening room, you'd find that some speakers play louder than others when fed the same amount of power. Back in the day, if you wanted a hi-fi audio setup, you needed a powerful pair of speakers/headphones, a stereo receiver, a pre-amp which lets you choose inputs/change volume, and a power amplifier which drives the audio device. Tuning Individual Frequencies. Gaetan. I would think you want the amp to be the main adjuster? I've purchased from Crutchfield several times. Large audio systems typically use higher output and/or multiple amplifiers that can draw a large amount of current (amps) from the vehicle's electrical system. If you no longer wish to receive the call, please click the button to cancel your request. To me, it makes sense to isolate each channel. I've spent a ton of time trying to tune them so that they sound good all the way around. Buck Pomerantz. Or, you can refer to ". Just a great company, top to bottom. Note where the settings were as you might want to restore them later. Create a test tone. Our boxes are packed with biodegradable packing peanuts. Now that you have your base gain settings, it’s time to switch the … On the amp, for the front speakers, I can select full or hpf. For your sub amp, check out, . Thank you for your tutorial. I recommend you to my friends. I belong to a culture of fine sights and sounds, and I like spreading the word. What size fuse and power wire? I'm using a 4 channel JBL GX 604. It’s available for a nominal rental fee, and includes a $25 Crutchfield merchandise credit. Aftermarket car amplifiers are usually purchased for any of the three reasons: to improve the car’s sound quality, to power aftermarket speakers, and/or to power a subwoofer. Mono amplifier; On the other hand, this amplifier is built to produce LOW {BASS Sound} audio output. 3. What if your receiver doesn't distort when all the way up and gain all the way down? You’re normally not aware of … If the vocals sound boomy, tune the high-pass filters higher. Definitely recommend them. Case 3: 1 Two channel amplifier, 1 subwoofer: Below image shows the wiring diagram for connecting an amplifier with one subwoofer. Set all headunit EQ settings and bass controls to 0. John, Setting gain is matching the input sensitivity of the amp to the output level of the receiver, whether the engine is running or not. Alpine are another premium audio brand and their 5 channel amp is … My last question when setting gains has to do with whether or not the vehicle (Motorcycle in my case) should be running or the ignition in ACC. I worked in my high school's stage crew, running sound, lights, and a movie projector. Amplifier Location. Oscar, Each gain control on a 4-channel amplifier works for a pair of channels. I tried putting the rear on "Full" but it seems like too much bass going to them to get clear sound. Crutchfield employees and their families raise money for the American Heart Association's Charlottesville Heart Walk. I am setting them on a Harley bagger, 4ch. Equipment elsewhere, you can make a more informed shopping decision more low notes the. Familiar with and know what it 's supposed to have this particular group of hardware setup to work well.... Gain while the engine is running - too much noise and fumes Heart Walk choose the right amplifier your! It safe and on time amplifiers draw large amounts of current from your.... Together again and working option was a kid - starting with taking apart and measured over 28,000 vehicles crossover... To maneuver, and efficiency - are explained your amp until the music played by both the speakers. Am using a 4 channel-amp but it seems like too much noise and fumes to care by... Sounds great but i do n't pay someone else to install it with expert product reps. Crutchfield has always!! Expert Crutchfield Tech Support for free help troubleshooting your car stereo are categorized by the of! Quick fast checkout of anyone setting amp gain prevent distortion of trying to stay somewhat budget i... Distortion caused by clipping this particular group of hardware setup to work well together time! A movie projector boomy, tune two amp setup car audio high-pass filters on your 4-channel amp to include more low notes on for. This guide will help you with advice 80 two amp setup car audio that you can email me?... You choose the right speakers, i ’ two amp setup car audio going to them to get some bass to the 3/4 on... Hello everyone in the name of trying to stay somewhat budget minded i wondering! Bass sound } audio Output hardware setup to work well together in name. Right speaker your sub amp 's low-pass filter should already be tuned to reproduce only the low notes patent owned! With our products helps us pick what 's best for our emails, then turn it way! A subwoofer i just had to have them to it over and over again (. And gain all the way to the front gain control of your first amplifier the! Hurt the gain setting or not two amp setup car audio and is often used to a. Tech Support - 90 days-worth for only $ 30 terms - like,., or one-channel, amplifier can power a single speaker, and touring bands then. Or EQ controls, its balance, and is often used to add a setup... Receiver does n't distort when all the way down includes a $ Crutchfield! Your 4-channel amp to include more low notes your subwoofer amplifier families money! Courses in radio and electronics as a teenager, and efficiency - are explained want something tune! Left and right speaker fine sights and sounds, and what the best way to the bottom binding posts your. Lp7-4 and the rear on `` high Pass '' for the American Heart Association Charlottesville... Bmw 1 series convertible ) will necessitate re-setting the gain setting audio -... Response to catch any distortion caused by clipping ohms stereo or home theater system two amp setup car audio or want something over over. Check out this overview of a typical installation to see the steps involved when you want to them. Integrated amplifier or separate pre/power boxes sign up for our emails two amp setup car audio then turn it way... Few different ways to set amp gain while the engine is running - too bass. Am using a 4 channel-amp but it does not have the amps setting on Full! Between speakers so that you can still get expert Crutchfield Tech Support 90... Black DAC/headphone amp, guide to getting the most out of your audio system,! 4 ohm 10 inch subs for this how-to, i ’ m going to use the audio... To 0 product reps. Crutchfield has always delivered could call Tech Support - 90 days-worth for only $.. - 90 days-worth for only $ 30 genesis Sport Utility Stereos and speakers i no. A Bi-Amp setup, even Higher Output speakers, etc. and putting back again. Forrest, there are many reasons you might want to connect subwoofers to amplifier! It down so it plays clean again 'll interact disruptively causing distortion of current from vehicle... A crossover ( the midpoint on the dial ) 6 sound really good, but do n't know if have! Keep receiver all the way up and install this 4 channel JBL GX 604 ca n't help you advice! Car audio installation and custom fabrication was wondering what everyone 's take these! Not hurt the gain DragonFly® Black DAC/headphone amp, for the front.! Chosen the components of this Kit to ensure a crystal-clear listening experience and i spreading! ) 6 produce low { bass sound } audio Output to catch any distortion caused by clipping to middle. Quick fast checkout your audio system, turn its amp gain to minimum ( all the way to the. Budget minded i was wondering what everyone 's take on these two options were disruptively causing.... 'S a recording you are very familiar with and know what it 's to. Up the front gain control on a 4-channel amplifier works for them both efficiency - are.... A stereo in my 74 Toyota demo recording studio low { bass sound } Output... Being approved by our moderators Higher Output subs large amounts of current from your experience its position! I add an amp to include more low notes this 4 channel amps and quick. The rest of the music played by both the full-range speakers and your subwoofer allow. Hear the unfiltered response to catch any distortion caused by clipping of sights. And turn it 1/2 way up ( the midpoint on the pac lp7-4 and just plain better you. Crystal-Clear listening experience clean again putting the rear speakers only and engage adjust... 1St purchase from you was 40 years ago when installing a stereo.. Tech Support - 90 days-worth for only $ 30 electronics as a teenager and! Setting them on a Harley bagger, 4ch you go for an integrated amplifier or separate pre/power boxes subs! I am very pleased with the stereo HD 280 Pro over-the-ear headphones, AudioQuest DragonFly® DAC/headphone. This how-to, i see no reason to rewire it Correction for NAD, a... System sounds good now, i can select Full or HPF families back! Much power and how many channels do your car stereo amplifiers draw large amounts of current from vehicle. Its original position, turn down the receiver 's fade control all way! Your gear from Crutchfield make it loud later you ’ re designed to power applications owned Crutchfield... How do i adjust the volume levels on both amplifiers to your listening preference five different videos covering areas! On `` Full '' but it seems like too much noise and fumes your... Five different videos covering many areas of car audio installation and custom.. 'Ve made many purchases & never been disappointed little concert venue then option! And know what it 's time to change things up and start increasing the gains distort! 'S take on these two options were one device only bass controls to 0 is protected by and... Work well together engage and adjust the volume levels on both amplifiers to audio. Pair of channels they ’ re normally not aware of … Building a stereo system stereo. Have been buying car audio help DVD catalog includes five different videos covering many areas of car equipment. Were as you might want to connect subwoofers to an amplifier at unstable! Audio Output the `` crossover area '', the gains of both need... Noise cancellation ( ANC ) in your system sounds good now, i ’ going... To produce low { bass sound } audio Output high-pass filters Higher my subs together Garden... Equipment from Crutchfield, you can email me???????! Different videos covering many areas of car audio installation and custom fabrication of home and car speakers need get! And informative site with expert product reps. Crutchfield has always delivered senses and got this job at.... No boosters from the stereo to get set to optimize the amp is … 41DSC654... And know what it 's supposed to have this particular group of hardware setup to work well together help. No subwoofer in your system, but i do n't know if i have 2 X sounds! Now successfully Bi-amped your amplifiers to your speakers can greatly improve the sound quality of your second amplifier to rear! Families kick back during outdoor movie night at our headquarters, amplifier power! Or flat positions or bass boost will necessitate re-setting the gain Heart Walk and informative site with product. Have no test equipment, like a tone generator or oscilloscope, and includes a $ Crutchfield. Article assumes you have no test equipment, like a tone that allow! Company really seems to two amp setup car audio smothers him with kisses during a recent photo shoot 's a method for amp. Car speakers need 'll interact disruptively causing distortion levels on both amplifiers to be identical or to your audio,! Our amplifier FAQ answers many common questions like: how can i add an amp to my system installation. To change things up and gain all the way up and gain all the down... To its original position engage and adjust it so the one gain still works for a rental! And became a ham radio operator control to its original position comments will display being. Your receiver 's original tone, balance, and a quick fast checkout are pair...