Nominal impedance	8 Ohm
Sensitivity	90dB (2.83V/ 1m)
Frequency response	35Hz - 34kHz (±6dB) 2pi/open-backed
Drive units	LF: 200mm (8.0") HF: 25mm (1.0")
Recommended amplifier power	10W~150W
Product external dimension (h x w x d)	Diameter: 289.6mm (11.4") Depth: 109.8mm (4.33")
Cut-out dimensions (h x w)	Diameter: 240mm (9.45")
Mounting depth from the surface	Product only: 103.3mm (4.07")
Optional rough-in frame	RIF200R
Net weight	2.4kg (5.28lbs)