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Anyone used FORScan for flat signal to DSP?

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Old 10-11-2017, 07:30 PM
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Originally Posted by maverick302 View Post
Is there low level signal output from the factory amp? If so, can you just daisy chain an aftermarket amp to it, and retain the nav/sync/chimes?
That's what the Forscan hack does. It turns the high level outputs from the factory head unit into low level outputs which are the same as RCA's. Simply splice RCA ends onto the speaker wires and hook them into your amp. You can use adapters like
these from Rockford Fosgate these from Rockford Fosgate
and it makes it a lot easier.

Originally Posted by Shelbie67 View Post
anyone? Would love to see the wiring so I can remove my Sony paperweight...
There are plenty of threads on here that show the wiring colors for the speaker outputs. I think there is even a sticky on this subforum. 1Chad has an install thread where he shows the wires and the ones you need to hook into.

Last edited by _MacLeod_; 10-11-2017 at 07:33 PM.
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Old 12-05-2017, 10:18 PM
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I think Im fully understanding but just want to be sure! I have replaced all my speakers with infinity kapas And have also installed a kk Audi 10 power wedge which is tapped into rear speakers for inputs. Running the speakers I have installed an alpine Ktp-445u amp. Wondering if I can just flatten the eq and be fine with out adding a dsp? Thanks in advance guys.
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Old 12-07-2017, 10:29 AM
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Originally Posted by Comfort333 View Post
I think Im fully understanding but just want to be sure! I have replaced all my speakers with infinity kapas And have also installed a kk Audi 10 power wedge which is tapped into rear speakers for inputs. Running the speakers I have installed an alpine Ktp-445u amp. Wondering if I can just flatten the eq and be fine with out adding a dsp? Thanks in advance guys.
I would try it without a DSP. I have always just added a sub and upgraded the door speakers and was very happy with the sound. With a sub you can lower the bass on the HU and it will take strain off the door speakers to reproduce the bass.
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Old 12-14-2017, 12:47 AM
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For those that have done the flat signal mod, does it flatten out the curve at all volumes? I know that when the volume is turned up, it cuts out the bass and some of the highs, but I’m wondering if flattening the curve will flatten it out thru the entire volume range. The plan is to flatten the signal, hook up an LC7i, and if needed, some filters to filter out any “hiss” I get, then adjust factory eq to desired sound is reached for the highs, and let the sub amp crossover handle the sub frequencies. Any help would be great. This is the first system I’ve built not using an aftermarket deck. So I’m knew to all this LOC stuff. Thanks everyone.
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Old 12-19-2017, 11:52 AM
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Has anyone done the ForScan change to a 2018 w/ the B&O option? Also, when you make the ForeScan change do the treble/mid/bass controls on the factory radio still alter the sound or does it come out 100% unaltered? Thanks!
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Old 12-20-2017, 05:53 AM
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Originally Posted by Kbobk View Post
Has anyone done the ForScan change to a 2018 w/ the B&O option? Also, when you make the ForeScan change do the treble/mid/bass controls on the factory radio still alter the sound or does it come out 100% unaltered? Thanks!
This is a good question. I'd like to know this as well..
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Old 12-25-2017, 06:20 PM
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Originally Posted by Comfort333 View Post
I think Im fully understanding but just want to be sure! I have replaced all my speakers with infinity kapas And have also installed a kk Audi 10 power wedge which is tapped into rear speakers for inputs. Running the speakers I have installed an alpine Ktp-445u amp. Wondering if I can just flatten the eq and be fine with out adding a dsp? Thanks in advance guys.
Yes you can be fine. The variable EQ is pretty slight and 90% of people will never notice it. If you're not going to be using a DSP then you don't need it.

That said, if you're going to do the Forscan mod you might as well do both, switch to low level outputs and disable the factory EQ.

Originally Posted by Dunatic619
For those that have done the flat signal mod, does it flatten out the curve at all volumes? I know that when the volume is turned up, it cuts out the bass and some of the highs, but Im wondering if flattening the curve will flatten it out thru the entire volume range. The plan is to flatten the signal, hook up an LC7i, and if needed, some filters to filter out any hiss I get, then adjust factory eq to desired sound is reached for the highs, and let the sub amp crossover handle the sub frequencies. Any help would be great. This is the first system Ive built not using an aftermarket deck. So Im knew to all this LOC stuff. Thanks everyone.
Yes, it disables the factory EQ completely so it will be the same regardless of the volume.
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Old 12-26-2017, 06:01 AM
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Originally Posted by _MacLeod_ View Post
Yes you can be fine. The variable EQ is pretty slight and 90% of people will never notice it. If you're not going to be using a DSP then you don't need it.

That said, if you're going to do the Forscan mod you might as well do both, switch to low level outputs and disable the factory EQ.



Yes, it disables the factory EQ completely so it will be the same regardless of the volume.
The same can be done with the Sony system or will I need something like the DSR1 ?
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Old 02-25-2018, 06:01 PM
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Originally Posted by Kbobk View Post
Also, when you make the ForeScan change do the treble/mid/bass controls on the factory radio still alter the sound or does it come out 100% unaltered? Thanks!
Please (lol), of anyone that has done the "Disable Factory EQ Processing" option:

Do the treble/mid/bass controls in sound settings still affect the sound or is this removed as well?
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Old 02-25-2018, 08:04 PM
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Originally Posted by bryan_c View Post
Please (lol), of anyone that has done the "Disable Factory EQ Processing" option:

Do the treble/mid/bass controls in sound settings still affect the sound or is this removed as well?
it still works
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