IMPEDANCE　 8 ohms SPEAKER SIZE 1x12 in. BASS PORT rear TWEETER piezo POWER HANDLING 400W RMS (AES Standard) CROSSOVER FREQUENCY 3.5 kHz FREQUENCY RESPONSE 45 Hz to 18 kHz SENSITIVITY 100 dB SPL WEIGHT 29.3 lbs / 13.3 kg WIDTH 15.3 in. / 38.3 cm HEIGHT 17 in. / 43.2 cm DEPTH 14.1 in. / 35.8 cm