Onkyo SKS-HT540B 8-Piece Home Theater Speaker System

* Includes 2 front, 1 center and 4 surround speakers and 1 subwoofer
* Power output: 230W (subwoofer); 130W (speakers; each)
* 5" OMF diaphragm woofers; 1" balanced dome floating tweeters (front/center speakers)
* 3-1/8" cone woofers; 3/4" ceramic tweeters (surround speakers)
* 10" cone subwoofer driver
* Front/center speaker frequency response: 55Hz-50kHz
* Surround speaker frequency response: 60Hz-20kHz
* Subwoofer frequency response: 25-150Hz
* Sensitivity: 86dB (front); 82dB (surround); 86dB (center)
* 2-way bass-reflex speakers; bass-reflex powered subwoofer
* Impedance: 8 ohms (speakers)
* Dimensions: front speakers (each): 17.06"h x 6.31"w x 7.875"d
* Dimensions: center speaker: 6.31"h x 17.06"w x 7.875"d;
* Dimensions: surround speakers (each): 10.44"h x 6.875"w x 4"d
* Dimensions: subwoofer: 18.625"h x 10.81"w x 17.69"d
* Weight: front speakers (each): 8.4 lbs.
* Weight: center speaker: 8.4 lbs.
* Weight: surround speakers (each): 3.1 lbs.
* Weight: subwoofer: 25.4 lbs.
* Warranty: 1 year limited parts; 1 year limited labor