*Sold as each not in pairs. Massive Audio’s M69C Closed Back Mid-Range Speakers are designed for high SPL without needing an enclosure of any kind. These 97dB efficient mid-range speakers excel in excellent vocal reproduction. Engineered to cover frequency ranges from 448Hz – 7KHz the M69C Closed Back or Sealed Back Speakers offer clear transparency for systems that need that boost in Mid-Range tone and clarity. "On a Stage or in a Car Massive Drives it Home!" FEATURES High Grade Ferrite Magnet 25mm Copper Voice Coil Kapton Coil Former Heavy Gauge Steel Basket Reinforced Paper Cone Custom Cloth Surround SPECIFICATIONS Nominal Impedance 8 Ohms RMS Watts 80w MAX Power 160w Usable Frequency Range 448Hz -7KHz Sensitivity 97dB Mechanical Q (Qms) 7.1 Electromagnetic Q (Qes) 10.7 Total Q (Qts) 4.2 Compliance Equivalent Volume (Vas) 0.322 liters Mechanical Compliance of Suspension (Cms) 4.7 uM/N BL Product (BL) 7.1 TM Surface Area of Cone (Sd) 0.013 Sqm Mounting Holes Diameter 218 x 152 Mounting Depth 3.43", 87mm Shipping Weight 3.92 Lbs, 1.78 Kgs Basket Materials Stamped Steel Cone Composition Paper Cone Cone Edge Composition Dust Cap Dust Cap Composition Paper Dustcap