Power 2000 BP-2L24 Lithium-Ion Battery Pack Overall Frequency Response 35Hz - 20kHz (-6dB) Satellite - Maximum Recommended Amplifier Power 100 Watts per channel; 8 Ohms; Sensitivity 86dB @ 1 Watt/1 meter; Frequency Response 110Hz - 20kHz (-6dB); High-Frequency Driver 1/2 (13mm) Titanium-laminate dome, video-shielded; Midrange Driver 3-1/2 (75mm) Driver, video-shielded; (H x W x D) 6 x 6-3/8 x 3-7/8; Weight 2.0 lb (0.9kg) Center Channel - Maximum Recommended Amplifier Power 100 Watts per channel; 8 Ohms; Sensitivity 88dB @ 1 Watt/1 meter; Frequency Response 100Hz - 20kHz (-6dB); High-Frequency Driver 1/2 (13mm) Titanium-laminate dome, video-shielded; Midrange Driver Dual 3-1/2 (75mm) drivers, video-shielded; (H x W x D) 5-1/4 x 11-3/8 x 3-3/8; 3.2 lbs Subwoofer - Amplifier Power (RMS) 125 Watts; Frequency Response 35Hz - 120Hz (-6dB); Low-Frequency Driver 8 (200mm) Woofer, bass-reflex enclosure; Dimensions - (H x W x D) (including feet) 16-1/4 x 12 x 13-5/8; Weight 38 lb (17.3kg)