Klipsch Sub-100-black Synergy Black Label Subwoofer - Frequency Response: 32Hz-120Hz +/-3dB - Maximum Acoustic Output 112dB - Amplifier All Digital - Amplifier Power 150W / 300W - Drive Components 10" (25.4cm) High Excursion, Img, Front-Firing Woofer - Enclosure Material Mdf- Brushed Polymer Veneer Finish - Enclosure Type Bass Reflex - Inputs Line Level/Lfe Rca Jacks - Front-Mounted Led Power Indicator - Features: Volume, Lowpass, Phase, Auto Power Phase Switchable 0-180 Degrees - (12.50"W x 16.40"D x 14.50"H) - (Black Ash)