Subwoofer Upgrade

[Chef jpd]

You could give it a shot with the adjustable low level inputs. I know people have tried the LOC's with the stock sub with no joy.

Sponsored

 

[ponie1992]

You could give it a shot with the adjustable low level inputs. I know people have tried the LOC's with the stock sub with no joy.

I may just have to use the aftermarket amp that I have, but not sure it's compatible with the factory subwoofer.

 

[ponie1992]

I didn't even realize this amp has high level inputs. That's a plus, but does anyone make an adjustment knob that I can use to increase or decrease the sub output from the driver seat? Also, what is the resistance of the shaker sub? This amp is only recommended bridged @ 4 ohms. It can do stereo @ 2 ohms, but would that work or even sound good?

 

[Chef jpd]

Stock sub is dual 2 ohm voice coils.
A 2 channel amp would work perfectly.

 

[ponie1992]

Stock sub is dual 2 ohm voice coils.
A 2 channel amp would work perfectly.

So, just wire the amp in stereo then?
What about an adjustment knob? I don't even know what to call it.

 

[Chef jpd]

Yup, just wire it like a pair of speakers.
The only adjustment would be the gain knob on the amp.

 

[ponie1992]

Yup, just wire it like a pair of speakers.
The only adjustment would be the gain knob on the amp.

Ugh, I wanna be able to adjust on the fly... damn.

 

[scott_0]

So, just wire the amp in stereo then?
What about an adjustment knob? I don't even know what to call it.

you would want something like this if the amp youre using doesnt have an output for a sub volume control

https://www.crutchfield.com/p_142RL...a&awnw=s&awcr=70489238545&awdv=c&awug=9007360

 

[ponie1992]

you would want something like this if the amp youre using doesnt have an output for a sub volume control

https://www.crutchfield.com/p_142RL...a&awnw=s&awcr=70489238545&awdv=c&awug=9007360

Ah, cool. I'd just have to run two pair of rca's to the front then. My LOC is in the trunk.

 

[ponie1992]

Got the sub mocked up. Now just need to decide what I'm gonna run.

 

[aarshad81]

Upon recommendation of the topic starter, placed JL audio 10W3 Sub and KST25 tweeters. Such a HUGE difference for under 500 dollar investment.

Thinking of trading in my 10W3 for 10W6 or should i go for 12W6...i have the JX500/1d amp though. Also I used a LOC, but since i have a premium car, mine should have the RCA level inputs in the wiring harness going to car stock amp, would it be huge difference if i use those instead. They supposed to be pure signal compared to the heavy modified signal i am tapping into right now.

 

[MyFirst5.0]

anyone know if the 400a cars are pre-wired for the sub?

 

[Chef jpd]

Ok, finally completed the upgrade to my upgrade.
I already have the Rockford Subwoofer in the stock enclosure and was fairly happy running off the stock amp. But, I can't leave well enough alone.
Keeping the sub and stock enclosure, I added an amp.
Here is what I needed:

Total cost was $300 all from Crutchfield.
High level RCA posi-tapped into the rear speakers

Ran a cable from the battery, remote level adjuster, and remote turn on up the passenger side. Then wired it all up.

The sound is fantastic, especially since I can crank up the bass on siriusxm.
Downside is now I have to chase some new rattles from th increased bass.

And for anyone trying this, the turn on lead for the factory amp will not work, it is a 6 volt turn on signal and will not work on a new amp.

 

[ponie1992]

Ok, finally completed the upgrade to my upgrade.
I already have the Rockford Subwoofer in the stock enclosure and was fairly happy running off the stock amp. But, I can't leave well enough alone.
Keeping the sub and stock enclosure, I added an amp.
Here is what I needed:

Total cost was $300 all from Crutchfield.
High level RCA posi-tapped into the rear speakers

Ran a cable from the battery, remote level adjuster, and remote turn on up the passenger side. Then wired it all up.

The sound is fantastic, especially since I can crank up the bass on siriusxm.
Downside is now I have to chase some new rattles from th increased bass.

And for anyone trying this, the turn on lead for the factory amp will not work, it is a 6 volt turn on signal and will not work on a new amp.

Awesome! Did you use any batting in the enclosure?

 

[Chef jpd]

Awesome! Did you use any batting in the enclosure?

Yes, polyfill in the box, and here is the bass knob:

Sponsored