The RB30XM is perfect for the bass player just getting started. Professional features such as passive and active inputs and an effects loop should keep bass players groovin' with any bass of their choice. Randall’s latest line of bass amps is a direct response to the demand of bass players everywhere. The RB30XM is a 30-watt studio quality amp with an 8" speaker perfect for practice, recording or jammin' with your buds in the basement. Professional features such as passive and active inputs and an effects loop should keep bass players groovin' with any bass of their choice.