JBLSTAGE 260 CDT Dual VC 6.5" In-Ceiling Loudspeaker

Dual 3/4" (20mm) Aluminum dome with Acoustic Lens with Wave 
Guide, Dual VC 6.5" (165mm) Polycellulose cone woofer,Aerodynamic bridge Reduces resonances, Recommended Amplifier 
Power 20-75W RMS, Frequency Response 50Hz-25kHz, Sensitivity 90dB, Nominal Impedance 8 ohm, Nickel-plated springloaded connectors, Grille Dimensions Dia 9.4in (239mm), Cutout Dimensions Dia 8in (203mm) , Mounting Depth 4in (101mm), 
Weight (Kg) 2.2 Kg