*Sold as each not in pairs. Massive Audio"s "MS Series" Shallow Mount Mid-Range Speakers along with its "M Series brethren" are all engineered in the USA to perform at perfectly selected mid-range frequencies with high sensitivity to enhance your listening experience. The "Slim Series" even feature a special aluminum heat sink / neodymium magnet on top of the speaker to help dissipate extra heat helping to keep the voice coils cooler for extended playing time! Slim Series deliver clean high output and will fit into most any restricted spaces courtesy of their high powered neodymium magnet assembly and low profile mounting for any limited space restrictions! Truly Unique, Definitely Massive! "On a Stage or in a Car Massive Drives it Home!" FEATURES Cast Aluminum Basket Kapton Coil Former 1.5" Copper Voice Coil Neodymium Magnet Vented & Extended Core Paper Cone Flat Foam Surround Cone Edge Aluminum Phase Plug / Heat Sink for Heat Dissipation Ultra Shallow 2.83" Mounting Depth SPECIFICATIONS Nominal Basket Diameter 8.3", 210mm Nominal Impedance 4 Ohms RMS Watts 140 W Music Program 300 W Resonance 100 Hz Usable Frequency Range 100Hz-7KHz Sensitivity 98 dB Magnet Weight 2.1 oz Gap Height 0.24", 6mm Voice Coil Diameter 1.5â€, 38.5mm Resonant Frequency (fs) 138 Hz DC Resistance (Re) 2.6 Mechanical Q (Qms) 0.603 Overall Diameter 8.3", 210mm Mounting Holes Diameter 0.22", 5.5mm Mounting Holes B.C.D. 7.72", 196mm Depth 2.36", 60mm Basket Materials Cast Aluminum Cone Composition Paper Cone
