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Stock Head Unit - Aftermarket Amp connectivity (RCA)
Posted: Mon Dec 17, 2012 3:07 pm
by PhilUK
Can anyone advise on how to connect an aftermarket amp to a stock Business head unit?
I have an amp lying around but it only has RCA inputs. :blink:
Re: Stock Head Unit - Aftermarket Amp connectivity (RCA)
Posted: Mon Dec 17, 2012 4:42 pm
by Raj
Something like this:
high to low converter
Re: Stock Head Unit - Aftermarket Amp connectivity (RCA)
Posted: Tue Dec 18, 2012 1:15 pm
by Steamyrotter
Done this on mine.
Used a similar convertor to that posted
Run RCA to boot.
Note you may pick up noise from the IBus & other equipment up front depending on position and connection...
There are a few little things to note...
The Amp On/Off signal wire stays on If you turn the ignition on.... So amps stay powered up
My way round this was i made an IBus module to detect the Radio On/Off button press then trigger a relay to operate the Amps.
The other thing to note is that if you have Phone prep etc they usually send this to the Front Outputs. Wonder how i know that!!!??
You could also have a problem with this not turning the amp on if you use it....
Way round that - fit a bypass relay to the Speaker outputs so that when the amp is off the speakers are re-connected to the head unit, amp on then speakers connected to amp. Simples..