BRONZE CENTRE It features twin 51/2" C-CAM bass/mid-range drivers straddling a Bronze C-CAM tweeter for pin-point synergy with its satellite partners producing seamless front soundstage action and articulate dialogue. Technology Dual 51/2" bass/midrange drivers with concave ‘dished’ C-CAM cone profile Acoustically matched to Bronze speaker systems for excellent imaging and consistency of timbre in surround applications Single bolt-through driver systems, for increased overall bracing, rigidity and driver/baffle de-coupling High quality crossovers with premium grade Polypropylene film capacitors used throughout Rigid 18 mm MDF construction throughout, employing radial and cross-bracing techniques for high rigidity resulting in low cabinet coloration Invisible magnetic grille fixing Premium quality vinyl veneer finishes SPECIFICATIONS  System Format 2-Way Frequency Response 60 Hz — 30 kHz Nominal Impedance 8 ohms Maximum SPL 113 dBA Power Handling (RMS) 120 W Recommended Amplifier Requirements 20 — 120 W Cabinet Design Sealed Cabinet Drive Unit Complement 2 x 51/2" C-CAM bass mid-range driver.  1 x 25 mm C-CAM Gold Dome tweeter Crossover Frequency 3.0 kHz Cabinet Dimensions (H x W x D) 165 x 460 x 165 mm (61/2 x 181/8 x 61/2") Dimensions (Including Grille and Terminals (H x W x D)) 165 x 460 x 193 mm (61/2 x 181/8 x 75/8") Weight (each) 5.6 kg (12 lb 6 oz)