Description: the rmst series of marine speakers by rockville is our step up series that offers a 1" titanium tweeter as well as more power handling! they have a larger magnet and can handle 100 watts rms & 400 watts peak! if you are using an external amplifier wemend this series. .These speakerspletely waterproof and protected from the elements! they are uv treated and have a special waterproof coating to prevent water damage. Also thesee with a 1 year warranty to give you the peace of mind you deserve when purchasing from rockville!.Rockville engineers care about quality and sound more than anything else. The rmst65 was designed in a molded abs plastic basket. The polypropylene cone is reliable and sounds great. This material is used on most of the top speakers on the market. We use rubber surrounds on these to eliminate unwanted distortion. In addition rubber is a very waterproof material. The 1" titanium tweeter puts out incredible sounding highs. The low end bass and mids of these speakers really makes them stand out. .The rmst65 6.5" marine speakers were engineered to deliver amazing power and sound quality in the outdoors; be it saltwater, freshwater or any other harsh environments. These speakers can withstand tons of abuse and can handle 400 watts peak and 100 watts rms each. These rockville ply with the cea 2031 loud speaker standard. This same rating standard is used by the highest end marine brands in the industry. Pliant means you can rest assured that the ratings are 100% legitimate. (we compared these against other brands and although some of these other brands stated higher wattage, the rockville rmst65 speakers were able to handle more than double the power!)..