CURV cone technology for greater sound definition and higher output with increased protection from marine conditions Silk dome tweeter provides a smooth upper frequency response and increased efficiency for crystal-clear music reproduction Large diameter voice coil delivers an increase in real power and efficiency, providing an exclusive signature sound Fully sealed crossover components provide full protection from the harsh marine environment and improved frequency response, for a detailed audio spectrum Perforated metal grilles for a timeless, elegantly styled finish to blend with the aesthetics of your boat IP65 rating for protection against dust and water ingress with True-Marine accreditation and a 3 year limited consumer warranty