Nominal Impedance	8 Ohms
Sensitivity (2.83V/1m)	89dB
Frequency Response (±6dB) Open-backed	28Hz~20kHz
Frequency Range (-10dB)	20Hz~45kHz
Nominal Coverage (Degrees)	120°
Max SPL	111dB
Crossover Frequencies	540Hz, 2.6kHz
Drive Units	LF: 250mm (10in.) MF: 100mm (4in.) Uni-Q HF: 19mm (0.75in.) vented aluminium dome with Metamaterial Absorption Technology¹
Recommended Amplifier Power	50W~250W
Recommended High-pass Filter (Hz)	30Hz~60Hz
Product External Dimension	Diameter Ø	346mm
	Depth	175mm
Cut-Out Dimensions	Diameter Ø	300mm
Net Weight	6kg
Mounting Depth from Surface	168mm
Ideal Rear Volume	150L
Minimum Rear Volume	80L
THX Certification	THX® Certified Ultra
Safety and Regulatory Compliance	IP64
Ceiling Thickness (Maximum)	30mm
Ceiling thickness (Minimum)	6mm
¹Metamaterial Absorption Technology is a joint development with Acoustic Metamaterials Group.