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Thread: HOW TO: Get sound from PC to Car Stereo / Amp

  1. #81
    Maximum Bitrate Vchat20's Avatar
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    i should also add that depending on your vehicle, it may have an amp that is seperate from the radio. if this is the case, you can easily find a wiring harness online which will allow you to directly wire the amp into your pc or any other aux device.
    Your everyday carpc geek and tech guru at your service. *bow*

  2. #82
    Variable Bitrate kamikaze2112's Avatar
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    I don't know if this will work or not (won't for laptop ppl, but will for the ATX/mini-itx crew), but most TV tuner cards have FM radio tuners....

    for example:

    http://search.ebay.com/pci-radio-tun...dsreturnedZ300

    Like i said. May work for some. don't know what the SQ is like, but definately a solution.

  3. #83
    Maximum Bitrate Vchat20's Avatar
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    i think what the main issue in this thread though is getting the sound to the speakers in the car. pc fm tuners have been around for quite some time.
    Your everyday carpc geek and tech guru at your service. *bow*

  4. #84
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    Ok don't assail me please, but I have a quick question.

    When I was in highschool I took an amp I got and a portable CD player. I connected the CD player to the amp as youguys suggested here and it was super quiet no matter what.

    Do computers output a stronger signal or something? If not isn't a car computer really quiet as well? I ask b/c I am trying to get up to date so that I can build myself a car computer. I want to replace my headunit in a subaru WRX...

  5. #85
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    i cant answer your question but in high school i did the same thing except i am so old that we did not know what cds were at that time well they just came out anyway all i had was a cassette walkman ran it through a alpine amp to alpine speakers and it played better than some of my friends high dollar head units

  6. #86
    FLAC ppgt94's Avatar
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    Quote Originally Posted by sxotty
    Ok don't assail me please, but I have a quick question.

    When I was in highschool I took an amp I got and a portable CD player. I connected the CD player to the amp as youguys suggested here and it was super quiet no matter what.

    Do computers output a stronger signal or something? If not isn't a car computer really quiet as well? I ask b/c I am trying to get up to date so that I can build myself a car computer. I want to replace my headunit in a subaru WRX...
    There are many variables and one of many things could have gone wrong. Are you sure the amp you were using (or the connections you used) accepted low-level inputs or line-level speaker input. If you pluged a low-level output signal (like CD walkmans) into inputs for line/speaker level you'll get a very low volume output.

    How did you plug the portable CD player into the amp? Did take the headphone outputs and use a 1/8" miniplug to RCA adapter or cable and to go into the RCA inputs of the amp? Was the volume on the CD player turned up? If so it should have worked alright. This is of coarse assuming everthing was in working order and it wasn't just a whimpy amp and/or speakers.

    Most consumer sound cards output low-level signal. This is usually enough for an decent power amp to take and output sound as good or better than a headunit playing a CD.

    Quote Originally Posted by Tangerine_Man
    all i had was a cassette walkman ran it through a alpine amp to alpine speakers and it played better than some of my friends high dollar head units
    You'll find that almost always a seperate external amplifier is going to sound better than any head unit amp.

  7. #87
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    Steering Wheel Controls

    Does anyone have a solution to incorporate steering wheel controls to control the volume and etc?

  8. #88
    Constant Bitrate ltrain1007's Avatar
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  9. #89
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    I have the following:

    Eclipse 54400 head unit - no aux input.
    Eclipse Model 3640 4/3/2 Channel Power Amplifier
    Dell MP3 player

    After contacting my local Eclipse dealer, they confirmed that there is no aux input on the head unit. They mentioned RF modulators, doing something custom, etc. I've heard RF modulators and they really do compromise the sound in my opinion. Anything custom would cost me a bundle.

    I thought that since I have the external amplifier, I could likely buy or build an RCA selector switch that would allow me to toggle between the head unit and the MP3 player.

    I've attached a diagram of what I think I need.

    I've seen some existing switches/selectors available, but almost all are designed for video - red, white and yellow RCA.

    The head unit has four RCA outputs, the amp has four RCA inputs. The MP3 player has a single headphone (mini 1/8") out with which I can use an RCA Y adapter.

    It seems, to build something, I would need a small box with four inputs for the head unit, and two inputs for the MP3 player, and then four outputs to the amp - with a switch to select which input source to direct to the amp.

    Can someone help provide a novice with information about the appropriate parts and the wiring info I would need to build such a thing? While I don't have any real experience with this sort of project, it seems like it should be simple enough.

    Or if this set-up is available for purchase somewhere (again, I can't seem to find much other than video switches) I'd appreciate a tip.
    Thanks.
    Attached Images Attached Images  

  10. #90
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    i have been looking through this thread and am confused on something. everyone is talking about 5.1 and such.... but noone mentions anything about time alignment. the whole idea with 5.1 is that you get sound from all these differnet speakers to your ears at certain times. well in a car.. you sit to the left of a center speaker. you practically sit ontop of the left speaker.

    for those of you going straight from a 5.1 card to an amp... how are you dealing with time alignment? does the hardware app/firmware support this? is there external software that does it??

    i just ordered my carpc... and am still wrestling with the idea of keeping my head unit (time alingment built in) or going straight from the carpc.

    thanks

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