Definitive Technology Dymension DM95 On-wall surround speakers

Product highlights: pair of on-wall surround speakers voice-matched to other Definitive Technology Dymension Series speakers 1" aluminum oxide dome tweeter 5-1/4" Balanced Dual Surround System (BDSS) mid/bass driver treble boost switch (0dB, +3dB) lets you adjust the tweeter's output wall-mountable design with keyhole slots and a threaded insert Specs: frequency response: 110-23,000 Hz (-3dB) sensitivity: 90 dB recommended amplifier power: 25-100 watts impedance: 4 ohms Other info: inset binding post terminals on back dimensions (measured by Crutchfield): 7-5/16"W x 13-1/16"H x 8-5/16"D weight: 11 lbs. each warranty: 5 years MFR # 300572-01-00-005