POWER HANDLING (RMS) : 150 W FREQUENCY RESPONSE : 60 hz - 20 khz SENSITIVITY (+/- 3dB): 87 dB NOMINAL IMPEDANCE : 4 ohms DRIVER COMPLEMENT : 2 ways, 3 drivers WOOFER : 2, 4" TWEETER : 1, 1" CROSSOVER : 2.7 khz DIMENSIONS : 140 x 350 x 140 mm COLORS / FINISH : WHITE - BLACK - SILVER -