Hi my first post I need help, recently buy a RM-1000W passive subwoofer, my av receiver is a sony 85w p channel subwoofer amplified out and passive out, I connect my polk RM-1000W to the amplified out and nothing happens, the signal is there but is weak not movement in the outside cone but the interior 6.5 barely moves what I can do? a more powerful receiver? a external amplifier for the woofer? I have a sony explode 12" connected to the sony a/v and hit awesome what happened to the polk? any diagrams for the correct wiring? thanks for read this.