NAMM '14 - Ashdown Rootmaster RM-MAG-420 and PiBass-240 Demos Rich OsweilerMarch 13, 2014VideoThe British amp company shows off a pair of new models including the über-compact and light PiBass 240.whats-newvideosgear-show-demobass-gearampsgearBassAmpsVideosGearReviews