Fusion Square Series Fm White 120W - 6.5W Speakers.

Speaker Size 6.5" Peak Power 120 Watts Rms Power Rating 30 Watts Efficiency (1 W / 1 M) 87 Db Frequency Response 100 Hz - 18 Khz Nominal Impedance 4 Ohms Recommended Amplifier Power (Rms) 15 - 80 W / Ch Tweeter Type Aluminum Dome Cone / Surround Material Polypropylene With Rubber Coating Mounting Diameter 138 mm X 138 mm [5-7 / 16 "X 5-7 / 16"] Mounting Depth 70 mm [2-3 / 4 "] Optimal Enclosure Volume (Sealed Enclosure, Filled With Absorbing Material) 4L Operating Temperature Range 0 To 50 ° C (32 To 122 ° F) Storage Temperature Range -20 To 70 ° C (-4 To 158 ° F) Water And Dust Resistance (Ip Rating) Ip65 Speaker Dimensions: Length X Height X Depth 153 mm X 153 mm X 67.1 mm [6 "X 6" X 2-5 / 8 "]