speakers with active bass


what do you think about speakers with active bass module ?
128x128bache
@chayro   Audiophile owners LS with active bass module still get chance to choose any external amplifier .  External amplifier power from 150 Hz
and up  and let   you use less power amp, and same money,   
It makes sense, but I think there is a resistance to it from a sheer marketing standpoint.  
ciriousjim
I have Bryson4sq amp/pre and a Bit 20.  Everything is plugged into Furutec rec's and four ded circuits.   All in all, it's OK, until I listen to a $400K setup that features a lot of Vandersteen equipment.
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Jim Salk not only builds powered subs into his higher-priced loudspeaker models, he does so with the Rythmik Servo-Feedback sub!