The Monitor Audio's CPC120 measures in at only 80 mm diameter yet it offers extraordinary sound quality for a truly innovative application. Its precision engineered micro-design allows it to offer a surprisingly coherent and detailed performance from a standard halogen down-lighter hole. What You Get 2 x CPC120 Ceiling Speakers 1 x Cut Out Template 1 x Instruction Manual Specifications Frequency Response: 100 Hz – 20 kHz Nominal Impedance: 8 ohms Sensitivity (1W@1M): 85 dB Maximum SPL: 101.9 dBA Power Handling (RMS): 20 W, 50 W (using crossover) Recommended Amplifier Requirements: 5 – 20 W, 5 – 50 W (using crossover) Drive Unit Complement: 2"full-range micro-driver Overall Diameter (Including Grille): 80 mm (3⅛") Overall Depth: 96 mm (3¾") Cut-Out Hole Diameter: 65 mm (2½") Mounting Depth: 91.5 mm (3⅝") Fixing Type: 2 x spring clip fixings Connection: Gold-plated"push"type terminals Construction Material: Steel bezel, aluminium enclosure Weight: 0.19 kg Sold As: Pair Warranty: Lifetime