CE650 EDGELESS CEILING SPEAKERCoaxial wall or ceiling flush mount with 6. 5 165mm woofer with treated paper cone & rubber surround & 1 35mm Mylar cone tweeter designedto be mounted flush to walls or ceilings. Spring push terminals for quick installation andfixing lugs automatically swing out when tightening no need to have rear access. Power 25W RMS 50W Max 145mm woofer Impedance 8 Ohms Size Diameter 233mm Cut out Diameter 205mm Sensitivity 87 dB Spring push terminals for quick