The MSR100 fills a variety of sound reinforcement and stage monitor needs in one economical, lightweight package. Offering mixer, power amplifier, and speaker system in a single, compact unit, it's perfect for small events and club gigs. Mix the output from a CD player, rhythm machine and/or keyboard with your voice without having to use a separate mixer or power amplifier. The MSR100 provides the high-quality performance you need with exceptional ease-of-use and reliability.