Wilson Audio Watch Dog Powered subwoofer, 12" 400watts

The WATCH (Wilson Audio Theater Comes Home) Dog powered subwoofer is
the culmination of over twenty years of experience at Wilson Audio in building high
output, ultra-low distortion woofer and subwoofer products. It was designed to further
extend and enhance the bottom octave performance of music and theater systems
without compromising speed, tonal accuracy or phase coherency. The WATCH Dog
will seamlessly and coherently integrate with any loudspeaker, whether you are augmenting
a two-channel system or as the LFE channel in a surround system.
-12" woofer with 400watt built-in amplifier
-Black finish
-Additional specs from Wilson:
Port: Front Firing
Frequency Response: 20-30/150Hz Adjustable
Low Pass Filter: Level adjustable, switchable in/out; 12dB/octave or 18dB/octave
High Pass Filter: Switchable in/out; 6dB/out; or 12dB/octave
Phase: Continuously variable from 0-180 degrees
EQ: Switchable in/out, +10dB boost to -10dB cut; variable Q from .2 to 2; variable frequency
selector from 30 to 150Hz
Finish: Standard Wilsongloss finishes, Custom finishes available at additional cost
Amplifier:
Power: 400 Watts
Input Impedance: 56 K ohms single ended, 4 K ohms balanced
Inputs: Balanced and single ended for Right, Left and Processor/LFE
Outputs: Balanced and single ended for Right, Left, High Pass filter outputs
Drive Unit: 12 inch long throw
Height: 27 1/2 inches
Width: 18 inches
Depth: 27 1/2 inches (add 3 1/2 inches for grill & heat sink)
Approx. Product Weight: 283 lbs