Kustom K150-B Bass Amp Head AS ISNotes Power and reverb switches broken replacements seem to be unavailable at this time. Amp is always on when plugged in and reverb is always on when amp is on A Kustom K150 B Bass Amp Head AS IS in Fair condition! At Evolution Music, we attempt to highlight cosmetic defects (if any) by picturing every angle of every piece of gear so you know exactly what you are getting. We always picture any and all accessories too. What you see is what you will