Polk Audio PSW10 Black 10-inch Powered Subwoofer Single

Non-resonant MDF construction with 0.75" baffle and internal bracing for deep bass impact with superior detail, accuracy and musicality.

State-of-the-art laser-based Klippel measurement technology perfectly centers the subwoofer\'s voice coil in its magnetic field for improved linearity and deep, precise bass.

Built-in High Current Amplifier supplies all the good, clean power you need for big bass.

Signal-sensing "smart amp" Auto ON/OFF Circuitry knows when to turn itself on and off.

Crossover: variable 80Hz - 160Hz

Enclosure Type: Vented via front panel flared port