Specs System : 3 ways , 3 speakers , a sealing system and a book shelf type Woofer : 10" corn type Midrange : 4" corn type Tweeter : 1.25" dome shape Rated impedance : 8ohms Play frequency band : 40 Hz - 20000 Hz The maximum input : 60 W Crossover frequency : 800 Hz , 5900 Hz Output sound pressure level : 91 dB/W Level control : The object for inside regions 3 position for high regions Dimensions (WxHxD) : 350 x 600 x 253 mm Weight : 15 kg