The RB4 is a well-established, highly-acclaimed solid-state bass amplifier with something to suit every bass player. Ideal for the bass player looking for a conventional style but compact bass combo. The RB4 can be played at home, in the recording studio or live on stage. Full of bass friendly features and a bass tone much bigger than its appearance the RB4 is a serious player choice.
FX loops are important as they allow you to add effects to the signal path in a specific place between the pre-amp and the output section on an amplifier. This is where FX loops are important as it allows you to put time-based FX after the distorted pre-amp section. For example, delayed distortion sounds different to distorted delay – try it.
This socket allows you connect an external sound source of your choice and can be used for playing backing tracks into your unit. Please not the volume of music/backing track is controlled by the volume on the external sound source itself.