size woofer 16,5 cm watt rms 80 watt impedance 4 ohm install dept 44 mm freq range 58hz t/m 8khz size tweeter 20 mm filter freq. tweeter 3.5khz t/m 22khz / -3 db level adjust 12db crossover with PTC protection watt rms 40 watt impedance 4 ohm