A 19 mm Hyperbolic aluminum dome over a 3-inch poly-titanium woofer, crossed at 2.9 kHz, 115 Hz to 20 kHz at 89 dB into 8 ohms on 20 to 100 watts. Keyhole wall mounts and threaded inserts are built in, and the rubber surrounds should outlast foam. High-gloss black, 2.9 lbs each.