. 655 Answers SOURCE: Hello ronnieyannon, A single 4 ohm speaker wired to each channel, like you have them wired, presents a 4 ohm load. And it appears that you have them connected properly.

Rockford Fosgate Rf-bld 2-channel Balanced Lineup

The 401s is only stable to 4 ohms when bridged, so if you were to parallel the 2 4 ohm subs in bridged mode, the load would be 2 ohms and the amp would most likely overheat and go into protection. Quamm search engine (free version download for mac. I'd wire them the way you have them wired. Each channel of the amp outputs only 100 watts into 4 ohms. That is adequate for regular full-range speakers, component speakers, mid-range drivers, and even some small subs. But it is a little low on power for most subwoofer applications. Hope this helps.

Posted on Apr 23, 2009.