OSD Audio IW545 Dual 5.25-inch Polypropylene Home Theatre In-Wall Center Channel LCR Speaker, Single Woofers: Dual 5.25-Inch Polypropylene Woofers Tweeter: 1-Inch Pivoting Parachute Silk Dome Tweeter Power handling: 125W, Impedance: 8 Ohms Frequency Response 50Hz - 20kHz, Sensitivity: 90dB Cut Out Dimension: 6 7/8-Inch x 13 15/16-Inch, Mounting Depth: 3 1/2-Inch Shipping: This item does not ship outside the U.S