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Boss ME-50B Bass Multiple Effects w/ COSM



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Boss ME-50B Bass Multiple Effects w/ COSM

The BOSS ME-50B puts world-class bass effects in a rugged floor unit with easy pedal-style control. Effects are divided into six sections—Compressor/Limiter, Master, Filter/Tone, Drive/Synth, Delay/Modulation and Expression Pedal—giving bassists a range of unique and powerful tones including new effects like Sound Hold, Octave Up and Kick Drum. Effects can be edited using 23 knobs and controlled via three built-in footswitches and an assignable expression pedal. This is the piece no bass player should be without!


  • Floor-based bass multi-effects processor with easy analog control
  • Killer COSM Compressor/Limiter and Drive effects, plus T-Wah, Slow Gear and Defretter
  • Innovative Sound Hold function for sustaining a low note while playing on top
  • Sound On Sound recording with new Kick Drum effect for keeping time
  • Dedicated knobs for each effect section—no menu-surfing!
  • Easy Tone effects with Preset EQ templates for quick tone editing
  • 3 footswitches and onboard expression pedal routed to 6 options like Octave, Wah, etc.
  • Solid metal case built to withstand abuse

Shop Brand: Boss

Shop All: Effects