8”, 2 way, 70V/100V transformer (60W, 30W, 15W, 7.5W taps at 70V, 60W, 30W, 15W taps at 100V), 55 Hz to 15 kHz, 175 watts continuous, 2.8 kHz crossover frequency, High-Impact Polystyrene (HIPS) enclosure, spring-loaded input terminals, 15”H x 11” W x 8.75” D, 14 lb., black.