BOSS Audio MRWT6C 500 Watt, 6.5 Inch, Full Range, 2 Way, Weatherproof, Marine Grade Roll Cage/Waketower Speaker System (Sold Individually) All-Terrain, Fully Marinized Speaker System For Marine and Powersports 6.5 Inch Poly Injection Cone, One 1 Inch Bullet Tweeter 1 Inch Kiesv Voice Coil, Rubber Surround, Plastic Basket Adjustable Cast Aluminum Swivel Clamps fits bars From 1.5 to 2.5, Great for ATVs, UTV Cages or Waketowers Mounting Hole Diameter: 23 Inches Impedance: 4 Oms, Frequency Response: 60Hz - 20 kHz, Sensitivity: 94 dB Dimensions: Depth 8.5 x Width 11.3 x Height 12, Weight: 8.2 Lbs. 3 Year Platinum Online Dealer Warranty