(s#4-5) The amp is tested and very clean.. The Crate MXB25 is a compact and powerful solid-state combo bass amplifier designed for musicians looking for a reliable and efficient amplifier for their bass guitar. With a power output of 25 watts, this amplifier provides ample sound quality for small gigs or practice sessions. The unit comes with one speaker and is built by the trusted brand Crate, making it a dependable choice for bass players seeking a sturdy and versatile amplifier for their performances.