Over the span of more than a decade, Alesis monitors have established an enviable, well-deserved reputation for accuracy and dependability that made them an excellent choice for professional use. The original best-selling M1 monitors were perfect for almost any situation. Our latest generation, the M1 Active MK3, features advancements in studio monitor technology that bring the Alesis M1 series to a whole new level of legendary unmatched professional sound.