W280 An 8-inch C-CAM bass driver and a more highly specified version of the C-CAM Gold Dome tweeter offer an extended high-frequency response to 30 kHz, as well as higher output and power handling capacity. Optimum imaging and set-up are established via a pivoting tweeter, high frequency (+3 dB / 0 dB / -3 dB) level adjustment, and boundary compensation (on / off) controls. SPECIFICATIONS Frequency Response 45 Hz – 30 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 1 x 8" C-CAM cone bass driver 1 x 1" C-CAM Pivoting Gold Dome tweeter Adjustment Controls HF Level Switch (+3 dB / 0 dB / -3 dB) Boundary Compensation Switch Overall Diameter (Including Grille) 441 x 288 mm (173/8 x 115/16") Overall Depth (Including Grille) 104 mm (41/8") Mounting Depth 100 mm (315/16") Cut-Out Hole Diameter 387 x 234 mm (151/4 x 93/16") Fixing Type 6 position Tri-Grip dog fixings Construction Material Mineral filled ABS, RoHS compliant Weight 3.1 kg (6.8 lb) Pre-Construction Bracket WB8 Pre-Construction Bracket (Green) Back Box WCBOX-L