First Look: Boss MS-3 John BohlingerJune 26, 2017VideoJohn Bohlinger unboxes and tries out the pedal giant's new-concept pedalboard that combines their proprietary multi-effects engine and multi-pedal switcher in one small, dedicated unit.whats-newfeatured-storiesgearvideosfirst-lookmulti-effectdelayeffectsspecial-featured-storiesreverbbossloop-switcherGearEffectsFirst LooksVideosReviews