Incorporating an 8-inch MMP II bass driver with Monitor Audio’s signature C-CAM Gold Dome tweeter to provide high performance sound, ease-of-drive, and wide frequency response and dispersion. Optimum imaging and set-up are established via a pivoting tweeter and high-frequency (+3 dB / 0 dB /-3 dB) level adjustment. Optional square grilles can be used with this model. Specifications Category Details Frequency Response 50 Hz – 25 kHz Nominal Impedance 6 ohms Sensitivity (1W@1M) 90 dB Maximum SPL 111.6 dBA Power Handling (RMS) 120 W Recommended Amplifier Requirements 30 – 120 W Drive Unit Complement 8" MMP II cone bass driver1" C-CAM pivoting Gold Dome tweeter Adjustment Controls HF Level Switch (+3 dB / 0 dB / -3 dB) Overall Diameter (Including Grille) 285 mm (111/4") Overall Depth (Including Grille) 126 mm (415/16") Mounting Depth 122 mm (413/16") Cut-Out Hole Diameter 247 mm (93/4") Fixing Type 3 position Tri-Grip dog fixings Optional Square Grille - Outer Dimensions 285 x 285 mm (111/4") Construction Material Mineral filled ABS, RoHS compliant Weight 2.72 kg (6 lb) Pre-Construction Bracket CL-B Back Box CML-BOX Sold As Single Unit with CL-Round Grille (white) Warranty Lifetime