Details This 5.1-channel TSS500PLT speaker package from Infinity has everything you need for enveloping, realistic surround sound; deep, powerful bass; and crisp dialogue reproduction. You get four TSSSAT500 2-way satellites, a 2-way center channel, and a 8" 100-watt powered subwoofer. All six speakers feature a stunning, sleek, subtle design that disappears into any decor. 10 To 100-Watt Satellite/ Center Channel Amplifier Power 8 Ohms Nominal Impedance Four, 2-Way Satellites Each With 2.50" Midrange/ 0.75" Tweeter 2-Way Center Channel With Dual 2.50" Midranges/ 0.75" Tweeter 8" MMD, 100-Watt RMS Powered Subwoofer 7, 000 Hz, 24 dB/ Octave Satellite/ Center Channel Crossover Frequency 120 Hz, 24 dB/ Octave, Subwoofer Crossover Frequency 150 Hz To 20 kHz Satellite/ Center Channel, 39 Hz To 150 Hz Subwoofer Frequency Responses ( + / - 3dB) Satellites/ Center Channel Magnetically Shielded Bookshelf Or Wall Mounting For Satellites/ Center Channel ( Brackets Included) 86 dB/ 87 dB Satellite/ Center Channel Sensitivity ( 2.83V @ 1 meter) Subwoofer LFE Input, Line-Level Inputs, Level Control Platinum Finish Dimensions ( W x H x D) : Satellites 3.50" x 7.69" x 2.75" , Center Channel 12.00" x 3.50" x 2.75" , Subwoofer 13.63" x 15.88" x 14.63" Weights ( lbs) : Satellites 1.2, Center Channel 2.0, Subwoofer 31.7