Frequency Response (±6dB) Open-backed	20Hz - KASA setting
Frequency Range (-10dB)	16Hz - KASA setting
Max SPL	109dB
Drive Units	LF: 250mm (10in.)
Required Amplifier	KEF KASA500
Recommended Low-pass Filter (Hz)	50Hz ~ 120Hz
Product External Dimension	Diameter Ø	346mm
	Depth	153mm
Cut-Out Dimensions	Diameter Ø	300mm
Net Weight	5.6kg
Mounting Depth from Surface	147mm
Ideal Rear Volume	70L
THX Certification	THX® Certified Ultra
Safety and Regulatory Compliance	IP64
Ceiling Thickness (Maximum)	30mm