The Adastra CC Series 2 Way 100V 6.5" Ceiling Speaker is a 2-way quick fit ceiling speaker with PP mica bass driver and directional dome tweeter giving an excellent frequency response, all housed in a white polymer frame with metal grille. Rotary selector switch for 100V line tappings or 8 Ohms. Fitted with "dog-ear" mounts for fixing to ceiling tiles 1-20mm in thickness. Spring loaded terminals for easy connection. Specifications: Weight: 1.25kg, Dimensions: 100 x 227mmØ, Tappings: 2.5, 5, 10, 15, 20W & 8 Ohms, SPL @ 1W/1m: 87dB (±2dB), Mounting depth: 90mm, Cutout: 193mmØ, Power RMS (100V line): 20W, Power RMS (8 Ohms): 50W, Power max. (8 Ohms): 100W, Frequency response: 70Hz - 20kHz, Tweeter: 38mmØ (1.5"), Woofer: 165mmØ (6.5"), Dispersion angle: 160°.