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Thread: 2007 350z w/ Bose Setup w/o HU

  1. #11
    MySQL Error scott_fx's Avatar
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    soundcards are low level
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  2. #12
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    Quote Originally Posted by Saturated_Fat View Post
    I did this setup in my RSX with the Bose system. Since then I've moved over to a 350z so I have an idea of what you're dealing with.

    Buy the Aftermarket stereo harness (not neccessary but better since you dont have to cut into the cars wiring). Basically it will be a plug that plugs into the harness in your car (where the bose would have plugged in). The adapter that you purchase will have a bunch of wires coming out of it. They should all be labled such as Left Speaker +, Left Speaker - etc. What you want to do is get RCA Female ports and turn those wires coming out of the adapter into Female RCA's. After that's done you can get a Headphone male plug to RCA male plug convertor which would plug from the computer to the RCA ports you just made.

    Essentially you are adding RCA inputs to your amp, except you're doing it where the headunit would normally go. I don't have the bose unit in my car but I believe you'll also have to wire the blue wire from the harness to a 12v switched source (try the yellow 12v line coming out of the same harness). If you experience popping or a thump then you need to have the amp turn on later via delay on.

    Also you can decide if you want to maintain 4 channels or do it the easy way and combine Rear Left with Front Left and Rear Right with Front Right.

    Either way it's definitely do able. Just ask if you have any more questions.

    BTW Are you on My350z.com?
    not to hijack this thread but, was that RSX setup (sound-wise) comparable to the stock head unit sound. I have an RSX and I was thinking going this route instead of buying amps. To me, the stock Bose sound is good enough.

  3. #13
    Maximum Bitrate crooper's Avatar
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    I had a Bose system in my 97 Maxima, ripped it all out and installed aftermarket (long before I decided to build and install my carpc), but in the process of decision-making I learned about how the Bose system works. The HU sends out a very low power line level signal to each speaker, which are individually amped at the speaker. You need a line level converter (Scosche makes one, I saw it at Walmart) to attenuate the output from an aftermarket HU to the Bose speaker amp inputs. It can be done, but it doesn't sound nearly as good as full aftermarket system.

  4. #14
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    Quote Originally Posted by crooper View Post
    I had a Bose system in my 97 Maxima, ripped it all out and installed aftermarket (long before I decided to build and install my carpc), but in the process of decision-making I learned about how the Bose system works. The HU sends out a very low power line level signal to each speaker, which are individually amped at the speaker. You need a line level converter (Scosche makes one, I saw it at Walmart) to attenuate the output from an aftermarket HU to the Bose speaker amp inputs. It can be done, but it doesn't sound nearly as good as full aftermarket system.
    Yup, I got an 01 Maxima with Bose system. Oddly, the Bose system has the speaker amplifier separate from the HU, so the HU is just sending out a line level signal. I switched out the HU with an aftermarket one and had to buy a Scosch line level converter at walmart for $20, because the aftermarket HU has a built in amplifier (so I needed to convert this amplified signal back to a line level one). So, if I'm not wrong, since the signal coming out of the computer isn't amplifier, you can just connect the line out from the computer directly into the lines provided when you buy a radio wiring harness for your car without needing the line level converter. But I could be wrong; the line level converter I brought has 3 output options (can't remember off my head since I installed it half a year ago) and maybe 1 of the 3 output might be needed. I will be installing a carputer in the same setup as yours within a week or two. Already ordered the parts few days ago, just waiting for the items to come in. I'll keep you posted.

  5. #15
    Maximum Bitrate crooper's Avatar
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    The "line level" is different from the Bose than normal, I believe the Bose is higher level. Read here:
    http://forums.maxima.org/showthread....hreadid=193528

    And for even more info on Bose systems, look here:
    http://forums.maxima.org/showpost.ph...9&postcount=23

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