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Merry Christmas Everybody,

I am new to this forum and have some questions regarding audio installation and hoping you guys could educate and help me out?

So Here we go:!!

I have a 2018 Road Glide Standard and am looking to upgrade my audio system with an aftermarket system but Ill be keeping my stock Harley head unit. (the Harmon Kardon).

I was hoping to install a new set of (not sure which speakers and amp yet and wiring kit)?

My question has more to do with 'flashing' an aftermarket radio.

Is flashing really necessary or is it something that can be avoided?

From my understanding when you 'flash' an aftermarket audio system on a harley, it needs to be brought somewhere after you have finished installing it in order for them to reprocess the signal to flatten its response.

Factory radios on 2014 and later Harley audio systems have an output signal that has been tailored by the manufacturer to have a custom frequency response curve which matches the acoustic response of aftermarket loudspeakers. When installing aftermarket loudspeakers and amplifiers the audio system will have excessive gain which will probably sound distorted. In order to use different aftermarket loudspeakers and amplifiers with these types of radio head units they need to reprogrammed.

This is done by measuring the O.E.M. response and then constructing an equalizer to reverse the manufacturer's signal and generate a flat response output.

Is there a type of module on the market presently that will adapt, whether its a 'STOCK' or 'Aftermarket' head unit's frequency response and speaker level signal that is able to match the input level amplitude, impedance and frequency response from an aftermarket audio upgrade that eliminates the need for a dealership to "flash" a radio upon upgrading.

(Cycle Sounds Magic Box DSP Line -Level Shifter)-(discontinued)

So, I researched the DSR1 by Rockford Fosgate which is a 8-Channel Interactive Signal Processor w/ Integrated iDatalink Maestro Module. But my question is can this be integrated for Harley Davidson motorcycles or is this just made for cars?

Can anyone help me answer my question and if anyone knows what other electronic device that can be integrated for Harley Road Glides that would be so great! (without breaking the bank)
I cant thank you enough guys!

PS..The more you know, the better off youll be!
Merry Christmas

John S
from Boston,MA

PSS...I was also thinking of installing the Rock Fosg HD14-TKIT for 2015+ Road Glides for $869.00
Anybody else have any other suggestions that would be great
Id love to 'Build" my own audio system but Im still learning!
Thanks again!
:smile:
 

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Check out a thread in the Audio section titled Aftermarket Audo Reflash
 

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I just installed the Biketronics 4180 amp with new speakers, the kit came with the famous Biketronics line levelers. Eliminates the need for a flash, works pretty well. check out their website. If you need front and rear speakers you will need a flash for "no amp/4spkr".
 
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