Frequency Response (-10 dB): 45 Hz to 20 kHz LF Driver: 8" MDT Metal-Alloy Cone HF Driver: 1-1/8" Titanium Sensitivity (1M/1W, 8-ohm): 91 dBspl Impedance: A8 - 8-ohm, A8T - 70V Power Handling: A8 - 175W, A8T - 64W Additional Taps (A8T only): 32W, 16W Product Weight: A8 - 18 lb., A8T - 20 lb. Cabinet Material: Mineral-Filled Polypropylene, UV-inhibited Speaker Dimensions: 10-1/4" W x 17-7/8" H x 10-7/8" D Terminations: Gold-Plated, Rust-Proof Barrier Strip Environmental: Meets or exceeds Mil-Std-810E Included Accessories: Color-Matched Aluminum Mounting Bracket Cabinet Color: Black, Green, or White