Marshall makes a wide range of speakers with different wattage ratings. The wattage of a speaker refers to the amount of power that it can handle, and it can vary significantly depending on the size and design of the speaker. Some Marshall speakers have wattage ratings as low as 5 watts, while others have ratings as high as 200 watts or more. Without more specific information about the particular model of Marshall speaker you are interested in, it is difficult to give a more accurate answer.