100% WATERPROOF AND UV RESISTANT Wash the speakers off with a hose, meets IP67 international standards, no worries with salt water, fresh water, mud, sand, or snow; UV protected PP and carbon fiber blend woofer with Santoprene rubber surround; ASA enclosures with 316 Stainless steel hardware; Waterproof audio and LEDCast connection jacks for high quality corrosion free connections ^^ 500 WATTS PEAK OUTPUT (65 watts RMS) power the 8.0 -inch low and mid-range woofers and 1.5 -inch tweeters to be as loud as you like; Smooth detailed highs and rich mid-bass lows to cut through all the wind and roar ^^ SPECIFICATIONS Output impedance rated at 4 ohms on both the woofer and the tweeter; A frequency response range of 640Hz to 3.5KH z; Sensitivity output of 95dB with a built-in 2-way crossover network ^^ MULTI-COLOR LED BACKLIT SPEAKERS built-in addressable RGB LEDs with millions of colors: solid colors, fading, jumping, chasing, speed and variable brightness; Controllable with an external LED controller (sold separately) ^^ LEDCast Connection Ready - lighting controlled by an LEDCast enabled controller or LEDCast Radio (sold separately)