RECOMMENDATION ENCLOSURE - A Ported Enclosure Is Always Recommended for our PANCADÃO Series, So That It Will Be Able to Give You That Punch In The Gut Mid-bass You Are Looking For FREQUENCY RANGE - The PANCADÃO will absorb an amazing amount of power so it will be able to produce a much higher range than most mid-bass speakers POWER HANDLING - With a max power handling of 3000 watts MAX and 1500 Watts RMS You will be pounding the streets and turning every head within earshot. MAGNET QUALITY -Our PANCADÃO comes with a massive 4 Inch frame and 150 Oz magnet! The fiberglass cone is perfectly matched with huge ferrite magnet. 1 YEAR WARRANTY: We Provide One- Year Manufacture Defected Limited Warranty From The Date Of Purchase For All DS18 Product