Shark Motorcycle Audio, 100 Watt 2 Channel Speaker kit, MP3 or Phone Input, Small Vintage Style Powerful Amp, Chrome, Model Shkcyclekit QUALITY 100 WATT SYSTEM - Compact system perfect to tuck away on your ATV, Scooter, Jet Ski, Boat, Golf Cart, or Motorcycle. Enough power to hear your music rolling down the road or cruising on the water. QUICK AND EASY INSTALLATION - Speakers include mirror brackets and are easily installed on your motorcycle. Speakers connect to amp with included wiring. SMALL POWERFUL VINTAGE STYLE AMP - This 100 watt amp is small enough to not get in the way, yet packs the power to drive the 50 Watt Waterproof speakers to their FULL POWER. Vintage style will fit your rides great style. Working Voltage 10-16V DC. SPEAKER SPECS - VoiceCoil Impedance: 4, Resonance Frequency: 165HZ, Effective Frequency Range: Fo-12kHZ, Puiput Sound Pressure Level: 88dB, Rated Input Power: 25W, Max Input Power: 50W, Distortion: Less than or equal to 5% 100% SATISFACTION GUARANTEED - 30 Day Money Back Guarantee and 1 Year Warranty on all Shark products. Customer support available for any questions or concerns about your Shark purchase.