This sounds like just what I need. I have Polk RT800, RT600, CS400 speakers, Panny RP91 with DVD-A, and a Marantz receiver with 6.1 compatability.
My speakers are rated at
mains=28Hz to 26KHz -3db= 42Hz-25KHz
90db 1Meter,1Watt
center=40Hz to 26KHz -3db= 50Hz-25KHz
91db 1Meter,1Watt
surrounds=30Hz to 26KHz -3db= 45Hz-25KHz
90db 1Meter,1Watt
rear center=55Hz to 22KHz -3db= 60Hz-20KHz
89db 1Meter,1Watt
I have a powered subwoofer.
These quotes are right from the Outlaw website:
"Most of today's DVD-Audio players, and some of today's multi-channel SACD players, do not have bass management...
The ICBM can fix these problems entirely."
"The ICBM works not only with 5.1-channel systems, but also with 6.1-channel systems like Lucasfilm THX Surround EX and DTS ES-Matrix and ES-Discrete."
"Many enthusiasts with tower speakers run them full bandwidth. While this is certainly safe in most cases, it is not ideal. Most tower speakers are incapable of reproducing a flat frequency response down to 20 cycles, and often times begin to roll off around 40 Hz. In addition to the loss of low bass information, your speakers (and amplifier) are being asked to run at full steam. Freeing up your speakers from these lowest bass signals enables them to reproduce higher frequencies with greater accuracy, and depth, improving overall sound quality and user enjoyment."
BTW Thanks to Home Theater Talk for the heads up!

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[This message has been edited by tmorgan (edited October 14, 2001).]