Wiring a underseat sub, connect before or after amplifier?


jert123

CarAudio.com Newbie
Jul 19, 2019
2
0
LX
Hello,

Just bought a underseat-subwoofer (Kenwood KSC-SW11).

Since I have the factory HU connected to an external amp (Focal Impulse 4.320) powering the front and rear speakers, should I connect the underseat-subwoofer before or after the Focal Impulse 4.320?

The speakers in the front are hertz focal dieci 165.3 (without crossover) and the rears are the factory ones (extremely under powered in comparison to the fronts).
All the connections are high-level.

Options shown in the figure bellow.

Currently it is like this:
original.png


It can go as option A or option B

Option A
after-amp.png


Option B

no-amp.png



If ones more experienced could provide help would be great.

Best regards,
Jert123
 

Rainman76

CarAudio.com Newbie
Jul 19, 2019
2
0
Alabama
Hello,

Just bought a underseat-subwoofer (Kenwood KSC-SW11).

Since I have the factory HU connected to an external amp (Focal Impulse 4.320) powering the front and rear speakers, should I connect the underseat-subwoofer before or after the Focal Impulse 4.320?

The speakers in the front are hertz focal dieci 165.3 (without crossover) and the rears are the factory ones (extremely under powered in comparison to the fronts).
All the connections are high-level.

Options shown in the figure bellow.

Currently it is like this:
View attachment 6047

It can go as option A or option B

Option A
View attachment 6048

Option B

View attachment 6049


If ones more experienced could provide help would be great.

Best regards,
Jert123
Both of those diagrams are wrong. You will still want front and rear wires for the input of the 4 channel amp. You will need to use the rears, also, for the Kenwood. So, the rear speaker wires will need to feed signal to both.
 

tommydh

CarAudio.com Elite
Mar 31, 2012
539
1
Baltimore, MD
it definitely needs signal pre-amplifier. I would look into a processor or eq that can take the 4 channels and give you 6 AC LC6i
 

Create an account or login to comment

You must be a member in order to leave a comment

Create account

Create an account on our community. It's easy!

Log in

Already have an account? Log in here.


Users Who Are Viewing This Thread (Users: 0, Guests: 1)



Trending topics

Latest classifieds