Pyle Home PDSUB8A 8-Inch 300-Watt Front-Firing Powered Subwoofer (Discontinued by Manufacturer) Gain Control for Volume Adjustment Adjustable Low Pass 50Hz to 150 Hz Phase Switch 0-180 High Level ( Speaker Level ) Binding Post Inputs Low Level RCA Inputs and Outputs 8'' Coated Paper Cone w/ Rubber Edge Discrete A/ B Class Amplifier 150 Watts RMS/ 300 Watts Peak Frequency Response: 40Hz-350 Hz Dimensions: 12.8'' (H) x 12.4'' (W) x 15.2'' (D) Sold as : Unit Gain Control for Volume Adjustment - 8'' Coated Paper Cone w/ Rubber Edge Adjustable Low Pass 50Hz to 150 Hz - Discrete A/ B Class Amplifier Phase Switch 0-180 - 150 Watts RMS/ 300 Watts Peak High Level ( Speaker Level ) Binding Post Inputs - Frequency Response: 40Hz-350 Hz Low Level RCA Inputs and Outputs - Dimensions: 12.8'' (H) x 12.4'' (W) x 15.2'' (D)