5.25”, 2 way, 80 Hz to 16 kHz, 150 watts continuous, 88 dB, 8 ohms nominal impedance, 3 kHz crossover frequency, High-Impact Polystyrene (HIPS) enclosure, spring-loaded input terminals, includes Invisiball™ mounting system, innovative bracketing solutions, spring-loaded terminals, 9.5”H x 7.5” W x 6” D, 5 lb, black.