Kicker 47PSM32 PSM 3" Powersports Weather Proof Enclosed Mini System; Chrome; 2-Ohm Kicker PS speakers are designed by bike riders and powersports enthusiasts. Designed specifically to sound good and last through every kind of weather, these drivers are the perfect solution for motorcycles, ATV's. The rugged PS speaker system is perfect for high power handling and volume for ultra-clear music reproduction through helmets. Motor noise and high speed winds don't stand a chance. Features - ASTM-Tested for UV and Salt-Fog/Moisture Exposures High-Efficiency, Full-Range 3-Inch Drivers Great for Motorcycle or ATV Handlebars, or Golf Carts Designed for Vehicles with Bars or Handlebars Cast-Aluminum Clamp Mount to Resist Vibration Lightweight and Weather-Proof for Ideal Outdoor Travel Loud and Clear on Open Road Specifications - Speaker Size [in, mm] - 3, 75 Frequency Response [Hz] - 100-15K Peak Power Handling [watts] - 100 Recommended Amp Power [watts RMS] - 15-50 Sensitivity - 85dB Height [in, mm]: - 4-3/4, 120 Width [in, mm]: - 3-3/8, 86 Depth [in, mm]: - 3-7/8, 98 Handlebar Sizes [in, mm]: - 1-1/4 (32), 1 (25), 7/8 (22)