BOSS AUDIO MC450 Chrome 1000 watt Motorcycle/ATV Sound System with Two Pairs of 3 Inch Weather Proof Speakers, Aux Input and Volume Control Weather Proof Two Pairs of Chrome 3" Full Range Speakers 1000 Watt Max Amplifier with Wired Remote Volume Control 3.5 mm Aux Input Compatible with Audio Output of Smartphones and MP3 Players One Pair RCA Inputs Frequency Response 80Hz to 15KHz, SN &gt;85dB, THD: &lt; 0.01% Includes Mounting Brackets Adjustable to fit 0.75" to 1.25" Handle Bars Great for 12V Motorcycles, Scooters and ATV's! 3 Year Platinum Dealer Warranty