Architech AP-611 2 CH 6 1/2 2-way Single Point Loudspeaker Single Type: In-Wall Speakers Driver Units: Dual (left & right) 3/4 Mylar ferro-fluid cooled dome tweeters Frequency Response: 45Hz - 20kHz ± 4 dB Nominal Impedance: 8 Ohms Sensitivity: 91dB 1 watt / 1 meter Power Supply: 50 watts nom. 100 max. both channels combined Dimensions & Weight: 7.38 L x 7.38 W x 2.88 H Parts: 1 year limited