After getting several e-mails and calls about Sensitivity of subwoofers and seeing quite a bit of forum action regarding sensitivity I've decided to post this up... Sensitivity does not = Efficiency on a subwoofer on LOW bass. This is regarding industry standard sensitivity measured at 1khz -- this is where the spec is measure on 99.9% of speakers in the world. Hoffman's Iron Law dictates that out of sensitivity, small box size, and low-end extension you can pick two and the other suffers. In ca