5- Premium RoundPart Number: MA-5106 Low magnetic field, mid power speakers ideal for high power stereos or mid power amplifiers. They feature powder coated aluminum grills and a power handling capability of 140 watts/pair.FeaturesLow magnetic field speakercoaxial type speakerAvailable in white onlySpecificationsFrequency Response: 55Hz to 20KHz (2 way)SPL: 89dBCone Size: 5- (140mm)Peak Power: 140W/pairContinuous Power: 70W RMS/pairMounting Depth: 2- (69mm)Speaker Impedance: 4 ohmOverall Diameter: 6-15⁄16 (176mm)Cutout Diameter: 5-11⁄16 (144mm)Speaker Weight: 2.05 lbs per speaker