POLK HTS-10 Subwoofer Speaker Walnut

Frequency response: 30Hz - 120Hz ; Energy Star Compliant with Auto Standby , 0.5Watts Front-firing long-throw 10” dynamic balance and klippel optimized driver Floor-firing patented power port technology for deeper bass response and reduced port noise Powerful 200W optimized class D amplifier Easily set volume, low pass filter and phase (0/180 degree)