System Type in-wall loudspeaker Configuration 3-Way Infinite Baffle Woofer 2 x 5.25" long-throw polypropylene cone Midrange 2" fluid cooled aluminum dome Tweeter .75" fluid cooled soft dome Magnetic Shielding None Crossover 750Hz, 5kHz Frequency Response 50Hz - 20kHz, +/- 3dB Sensitivity 86dB (2.83V at 1M) Impedance 8 ohms nominal Recommended Amplifier Power 20W/ch minimum, 150W/ch maximum Inputs 2 each professional grade, gold plated spring posts Weight 10 lbs. Cutout Dimensions 9.125" H 13 3/4" W Bezel Dimensions 10.125" H 14 1/4" W Depth Behind Wall 3.19" Finish Matte white (paintable)