Boss Audio Atv20 off Road Marine Sound System: * Fully marinized and ideal for ATV/UTV, jet ski or snowmobile * 450W maximum power * Frequency response: 45-25kHz * Sensitivity: 90dB * Water proof poly injection cone * Soft dome diaphragm high performance tweeter * 3.5mm input jack * Compatible with audio output of iPod and other MP3 players * Speakers powered by internal amp * Plug and play for easy installation * Includes 2 heavy duty zip ties and 2 heavy duty straps with Velcro for any mounting position