Yamaha NS-SP1600 5.1 Channel Speaker Package NSSP1600 *FREE SHIPPING* 5.1 Channel Entry Class Speaker Package 2-Way Satellite Speaker System with 2.5" Woofer & 1/2" Tweeter 2-Way Center Speaker System w/Dual 2.5" Woofer & 1/2" Tweeter Frequency Response: 30Hz-50kHz 6.5" 100 Watts Cube High Power Subwoofer Advanced YST QD-Bass Technology Magnetic Shielding on All Speakers Removable Grill Cloth Wall Hanging Capability Conventional Speaker Bracket Compatible 4 Satellite Speakers 2-Way Acoustic Suspension with 2.5" Cone Woofer & 1/2" Dome Tweeter Input Power: 100W Max/30W Nominal 82dB/2.83V/1m Sensitivity Impedance: 6 Ohms Dimensions (W x H x D): 4" x 6-3/8" x 4" Center Speaker Dimensions (W x H x D): 11-7/8" x 4" x 4" Subwoofer Dynamic Power: 100 Watts 50 Watts Output Power with 5 Ohms RMS 6.5" Multi-Range Driver Subwoofer Dimensions (W x H x D): 11" x 12-16/16" x 11-9/16"