"The sound is surprisingly good when you consider the price..."
"It does get down pretty low and while it is not the last word in super tight bass it's definitely good enough that with a carefully tweaked set-up it will work with both music and movies..."
"I'd recommend this sub as a high quality value leader..."
eBay: Find Hafler 200 Watt RMS Pro Sub Subwoofer Amp Amplifier in the ... used in the Hafler VRM10s, VRM12s, and VRM15s professional powered subwoofer systems. ...
Search Rockford Electronics ... Rockford and Hafler really know bass for both ... It was used in the Hafler VRM10s, VRM12s, and VRM15s as well as the Fosgate ...