DriverDynamic PowerOutput PowerFrequency ResponseAdvanced YSTTwisted Flare PortDimensions (W x H x D)Weight NS-SW100 Subwoofer Driver25 cm (10”) cone Dynamic Power100 W (5 ohms) Output Power50 W (100 Hz, 5 ohms, 10% THD) Frequency Response25–180 Hz Advanced YSTYes Twisted Flare PortYes Dimensions (W x H x D)351 x 352 x 408 mm 13-7/8” x 13-7/8” x 16-1/8” Weight12 kg 26.5 lbs..