The clear sound, stylish design and portability is the best choice for professional use. EP-868 has a built in 10” woofer and 1” tweeter to provide a high quality sound and RMS 120W output power. EP-868 can be supported by AC/DC and the built in battery can be lasting for up to 9 hours (depending on volume). It also got four stage LED battery meter display for battery status, so user can know the accurate battery usage. Built in hidden press up handle and the design of wheel made it easier to carry for user.