Features: - Center / Left / Right Channel System - Includes (2) 4'' High-Power Woofers - 1'' High-Temperature Voice Coil - 0.75'' Silk Dome Tweeter - 12dB/Octave Electronic Crossover Network - Vented Design for High Power and Deep Base Response What's in the Box: - Center Channel speaker - Speaker Wire Technical Specs: - MAX Power: 100W - RMS Power: 40W - Impedance: 8 O - Sensitivity(1M/1W): 84dB - Frequency Response: 60Hz-20kHz - Woofer Type: 2x4" Polypropylene cone with rubber edge - Tweeter Type: 0.75"(20mm) Silk dome tweeter - Crossover Slope: 12dB/Octave - Cabinet Material: MDF with Vinyl Finish - Overall Dimensions: 6.3X 15.7 X 8.6-inches