Specification Type Advanced YST II and QD-Bass Subwoofer Driver 25cm(10'') cone Dynamic Power 250 W Frequency Response 20-160 Hz Advanced YST Advanced YST II QD-Bass Technology Front-firing High-Efficiency Power Amplifier Yes Linear Port Yes BASS (Bass Action Selector System) Yes Standby Power Consumption 0.3 W Dimensions (W x H x D) 380 x 368 x 420 mm Weight 18.5 kg