Recommended power: 10 watts to 125 watts per channel; impedance: 8 ohms • Frequency response: 80 Hz to 20 kHz (+/-3 dB); sensitivity: 90 dB @ 1W/1m • 2-way speaker with 3 drivers: two 5-1/4-in. polymer-coated woofers, 1/2-in. poly dome tweeter, plus 2 rear ports • Crossover frequency: 5,000 Hz • Gold-plated terminals; black woodgrain MDF cabinet • Dimensions: 6-1/2 in. H x 17-1/2 in. W x 6-1/2 in. D • Weight: 14 lbs. • 7-year limited warranty on parts