Woofer: 5 1/4" Long-Throw Polycarbonate Cone With Synthetic Rubber SurroundTweeter: 3/4" Ultra-Wide Dispersion Ferrofluid Cooled Titanium Anodized DomePower Handling: 10 To 100 WattsFrequency Response: 65 Hz To 20,000 HzImpedance: 8 Ohms NominalEfficiency: 89dB 1W/1M12dB Electro Acoustic CrossoverPlated 5-Way Binding PostsCorrosion Resistant, Powder Coated Aluminum GrilleBrass Inserts Accept Universal Speaker MountsRust-Proof Adjustable Mounting BracketsOverall Dimensions (HxWxD): 9 5/8" x 7 1/4" x 6 1/2" (244 mm x 184 mm x 165 mm)Finish: White ABSWeight Each: 6 lbs