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How to tune a car stereo system

Tuning your receiver

tuning a car stereo

Okay. Your new system components are out of their boxes, installed, and hooked up. Now what? How do you get the most out of your new car stereo system? What kind of hokey pokey do you have to do to get all this gear to sound good?

Put your head in, put your head out,
Put your head in, and shake it all about.
Do the hokey pokey and turn yourself around.
That's what it's all about.

Any combination of players, receivers, amps, and speakers can make noise. But organizing that noise to reproduce pleasant-sounding music takes some time and effort. Far too many systems don't sound anywhere near as good as they could, just for the lack of a little setting-up. The hour or two you spend jumping around and twiddling with knobs and screwdrivers and listening intently to musical detail will be well worth it for the thousands of hours of enjoyment that will follow.

Let's start with the most basic car system, consisting of an in-dash stereo receiver and four speakers. We'll assume that the units under consideration are installed properly. Refer any installation questions to the owner's manuals or, if you bought your gear from Crutchfield, call the tech support number on your invoice. We shall also assume that you will not be driving your car while you're making set-up adjustments. Seriously. Don't do that.

Note: Some receivers come with advanced features such as digital sound processing, automatic equalization, and time alignment. 

Pioneer DEH-80PRS CD receiver

The Pioneer DEH-80PRS CD receiver offers tons of adjustability.

Carefully read and follow your receiver's owner's manual and instructions for applying and adjusting those features.

  • Turn on your stereo. Make sure the EQ, tone controls, the balance, and fade are all set to the middle, or flat.

  • Start playing a  song you know quite well — one you've listened to enough times to know what it's supposed to sound like. Make sure that there's plenty of sonic variety in your selection: lots of very high notes like flutes, brass, and cymbals, lots of mid-range content like piano, guitar, and vocals, and lots of very low notes like bass and drums. Be prepared to listen to it over and over again.

  • Tune your receiver's fade control until the music comes out of the front speakers only. Then adjust the left-to-right balance to your satisfaction. Note where that setting is. Then tune your receiver's fade control until the music comes out of the rear speakers only. Again, adjust the left-to-right balance to your satisfaction. Note where that setting is. If the balance settings for the front speakers and the rear speakers are the same, leave them. If they're different, set the balance to a compromise between the two settings.

  • Adjust your receiver's fade control all the way to the front again. Slowly bring up the rear volume with the fade control until your music has a pleasing depth, but still sounds like it's generally coming from in front of you. Some receivers let you control the tone differences between the front and rear speakers. Tune your rear speakers to have a little less treble than your front speakers. This ensures that the music sounds like it's coming from the front, even when the volume is high. (Human hearing locates high notes better than low notes.)

  • Now consider the tonal qualities of your music. Are the high notes, the mid-range notes, and the low notes all there? Are they in balance? Determine what, if anything, is wrong with the tone before trying to adjust it.

  • If your receiver has tone-adjusting (EQ) presets, try each to see if one of them makes the music sound better.

  • If necessary, fine-tune the sound with the receiver's bass, treble, and mid-range controls, or any other EQ adjustments that it has.

  • Repeat the last two steps using different combinations of presets, bass and treble boosts, and cuts until your music sounds right. The bass should sound full without being "boomy." The highs should be crisp, but not shrill. The mid-range should be smooth and clear. If you spend a lot of time listening and adjusting now, it'll all be worth it later.

If your tone settings look a bit extreme, don't worry about it. Trust your ears. Whichever way sounds best to you is the right way to do it. After all this hokey pokey, you should finally be able to put your head in without turning anything around. And that's what it's all about.

See Tuning Your Subs, for more on How To Tune a Car Sound System.

Please share your thoughts below.

  • Jay from Bloomfield

    Posted on 7/22/2020

    I have a Sony cdx-gt56ui I have a question on the Rear Bass Enhancer because I'm not going to use a subwoofer what settings are use for HFP slope 1, 2 ,3 and the LPF slope 1, 2 , 3 I'm going to set 80hz for frequency ..

    Buck Pomerantz from Crutchfield

    on 7/28/2020

    Jay, If you bought your gear at Crutchfield, you could call Tech Support for free help setting up your system. Their toll-free number is on your invoice. If you purchased your equipment elsewhere, you can still get expert Crutchfield Tech Support - 90 days-worth for only $30. Click on this link for details.
  • William McQueen from Westport

    Posted on 6/22/2020

    I have an Alpine restyle DVD/CD/Nav unit for my '16 GMC Sierra that I installed and later found out that it doesn't have a digital fade to adjust my front to rear speakers. I don't have an amp, how can I get my rears louder. I've bought my speakers from you guys but not the head unit.

    Buck Pomerantz from Crutchfield

    on 6/23/2020

    William, It sounds like the receiver wasn't installed correctly, if the fade function doesn't work. Because you purchased your speakers from Crutchfield, you could call Tech Support for free help troubleshooting your system. Their toll-free number is on your invoice.
  • Mike G from CAMARILLO

    Posted on 8/27/2019

    Good article on basics. What is happening these days for system tuning with DSP amps like JL VXi series where you are trying to tune a car with no CD player? As CD players disappear in factory systems, surely there are files available for iPod devices to use when tuning?

    Buck Pomerantz from Crutchfield

    on 8/28/2019

    Mike, The article describes tuning a system by listening to music. The files you use for tuning are well-known songs, however you play them, via USB, Bluetooth, WiFi, or auxiliary headphone jack.
  • L. H. Tan from Singapore

    Posted on 5/14/2019

    Someone I spoke to on the subject of tunning claims that unless one uses a RTA, all other tunning methods are just bull. What's your take on his argument?

    Buck Pomerantz from Crutchfield

    on 5/14/2019

    LH, RTAs are indeed useful tools when tuning a car stereo, but the most important, cheapest, and easily accessible tuning tools are still your ears. Most people don't know how to operate an RTA properly, nor know what shape response curve to aim for.
  • Subrata Das from India

    Posted on 7/17/2015

    The points which are included in this blog is very much useful and beneficial. Keep sharing.

  • Sushma Gupta

    Posted on 7/4/2015

    Great and a very useful blog for me. Thanks a lot for sharing.

  • Buck Pomerantz from Crutchfield

    Posted on 6/26/2015

    Correy, A list of what may be wrong is long, and includes checking for loose connections, a bad ground, a mis-set gain. If you bought your equipment from Crutchfield, you could call Tech Support for free help troubleshooting your system. Their toll-free number is on your invoice. If you purchased your equipment elsewhere, you can still get expert Crutchfield Tech Support - 90 days-worth for only $30. Click on this link for details.

  • Correy Smith

    Posted on 6/25/2015

    Buck, what a great article that you wrote about tuning a car stereo system. In my car, the stereo system has been having problems such as turning off unexpectedly. For me, it's quite annoying because of how often it does it. Could it be because of how loud the system is or of the bass? [Link removed]