Kicker amps at 2 ohms?

[gl-john 10+ year member]

I have a kicker zx850.4 amp. I was running 4 6x9 at 4 ohms each. It worked fine but the speakers could not handle the power. I currently have two 6x9s in th front doors at 4ohms each and I just installed a kicker solobaric 12in square sub in a sealed box in the trunk. The sub is a 4 ohm sub. If I wire the sub to two ohms the amp will go into short circuit protection and shut down. If I only use one voice coil on the sub at 4 ohms it works fine. I want to put some component speakers in the front doors but the one I have are two ohms. Will these speakers cause the amp to shut down or will they work fine? Any suggestions are appreciated.

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[Lakota 5,000+ posts]

You're running 6x9's and a sub on the same amp?

 

[w00tah 10+ year member]

Like any number of people on here, using the front two channels of a 4 channel to run their comps or door speakers, the rear channels on the amp bridged to the sub.

It's not like it's a hard thing to do...

Kef

 

[gl-john 10+ year member]

Yes but I will be putting components in the front. Will they work at two ohms or will I have the sasme problem with the amp shutting down?

 

[Lakota 5,000+ posts]

You can turn down the gain and not run as much power to your 6x9's. That amp is pretty small, so with the sub being ran off of two channels chances are that you're pushing the amp too hard and clipping it.

 

[Lakota 5,000+ posts]

Like any number of people on here, using the front two channels of a 4 channel to run their comps or door speakers, the rear channels on the amp bridged to the sub.

It's not like it's a hard thing to do...

Kef

I understand that. My post was vague, but my reasoning is that two channels from a 4 channel amp is often times not adequate power for most of the subs made today like a L5 or whatever he's running.

 

[gl-john 10+ year member]

The amp has 425 watts at 4ohms bridged. It should be enough power to run one L7 sub. But appearently this amp does not like 2ohms when bridged. I'm replacing the 6x9s with components. But will they run at 2ohms?

 

[UCF52 10+ year member]

That amp is not meant to run a two ohm load when bridged.

 

[Lakota 5,000+ posts]

The amp has 425 watts at 4ohms bridged. It should be enough power to run one L7 sub. But appearently this amp does not like 2ohms when bridged. I'm replacing the 6x9s with components. But will they run at 2ohms?

400w is a joke for a L7.

 

[capnxtreme 10+ year member]

When you run bridged, each amp channel sees half of of the load. It sounds like you are driving a 2ohm load bridged, which means each channel would be seeing a 1ohm load, which is certainly not stable on that amp. Hook up one channel to each voice coil instead of bridging, and you should be cool (maybe just low on power, I dunno).