Sub Out on Head Unit


Unregistered guest
I just bought and installed a JVC KD-G800 head unit in my 93 Explorer.It has a sub out connection on the back so you can control the sub from the head unit but the output is only rated at 2.0 volts,but the line out connections are rated at 4.0 volts wich would be better to connect my JBL GTO601.1 mono amp to?



Bronze Member
Username: Jeremyc

Kunsan AfbSouth Korea

Post Number: 78
Registered: Jun-04
4 volt would be better, but since it is going to your sup you might not notice a diffrence. I would try it on both and just see what sounds better.

New member
Username: Thedirk

Potsdam, NY

Post Number: 7
Registered: Sep-04
yea try both and pick the best, thugh ive always had best results with the regular low output,
the dirk,

Silver Member
Username: Joe718

Brooklyn, NY

Post Number: 132
Registered: May-04
the voltage level on preamp outputs are just for signal stregth, use the one thats designated for your subs. that output most likely will give a crossover plus that output is non fading, so when you adjust your treble and bass from the head unit it wont mess with the performance of your sub.
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