Parallel Wiring ?

First, forget about the Max rating when dealing with amps. You'll never get it. That rating comes from most manufacturer's as the "split second before meltdown" output rating, and they obtain it with an ungodly amount of amperage (more that a 12v system can produce anyway). So what you need to look at is: 150 x 2 @ 4ohms Stereo 200 x 2 @ 2ohms Stereo 400 x 1 @ 4ohms Mono/Bridged You're question is actually answered by the minimum Mono ohm stability of your amp. Since the W0's are 4ohm SVC's, wiring 2 of them in parallel would give you a 2ohm Mono load (since wiring in parallel halves the ohms). That amp is only rated as being 4ohm Mono stable, and 2ohm Stereo stable. Mono meaning 1 channel, Stereo meaning Left and Right channels. You're best (safest) bet is to wire each sub to it's own channel for the 150 x 2 @ 4ohms Stereo rating. If you put a 2ohm Mono load on an amp that is not 2ohm Mono stable you run a severe risk of clipping (which will eventually fry your amp and subs), or the amp will blow or go into protect mode immediately. Don't worry though, 200 watts for a W0 is a bit much anyway (the JL "Danger Zone" for W0's starts at around 200 watts). So you're safer with only throwing 150 watts to each of them (which is in JL's "Optimum Zone").Squirrel

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just stick with the 4 ohm bridged... gives out the most power