Polk Audio PSW10 10" 100W subwoofer.
Add deep bass excitement & extended dynamic thrills to your pinball machine!The 10" Dynamic Balance composite cone driver & non-resonant enclosure produces deep, smooth response with superior detail & accuracy, while limiting distortion.
This subwoofer is powered by a high-current amplifier, producing 50 Watts RMS/100 Watts dynamic power. A rotary volume control adjusts the volume of the subwoofer relative to the other speakers in the system & the unit offers a continuously variable low-pass filter, adjustable from 80-160 Hz.
Polk #PSW10.