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Boss ME-50B Bass Multi-FX-Processor Power Supply optional

Item: BAS0001648-000
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The Boss ME50B Bass Guitar Multi FX Pedal. Delivers world-class bass effects in a rugged floor unit with easy pedal...  All product info

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ME-50B Bass Multi-FX-Processor

The Boss ME50B Bass Guitar Multi FX Pedal. Delivers world-class bass effects in a rugged floor unit with easy pedal-style control.

The Boss ME50B is a bass player’s dream come true. It produces a professional sound on an easy-to-use pedal enabling control over everything with clearly marked knobs. Effects are divided into 6 sections (Compressor/Limiter, Master EQ, Filter/Tone, Drive/Synth, Delay/Modulation, and Expression Pedal), giving bassists a range of unique and powerful tones including fresh effects like Sound Hold, Octave Up, and Kick Drum all with easy knob-based control.

The main features of the Boss ME50B include:

  • 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
  • Easy Tone effects with Preset EQ templates for quick tone editing
  • 3 foot switches and onboard expression pedal for easy realtime control
  • Solid metal case built to withstand abuse
  • 1/4 inch jack stereo outs
  • 1/4 inch jack TRS line/phones out
  • 1/8 inch jack TRS (mini jack) aux in
  • 1/4 inch jack footswitch in (Compressor ON/OFF or Tempo)
  • Powered by 6 x AA batteries (included) or AC Adaptor - PSA Series (optional)


  • Manufacturer: Boss
  • Build: Multi-effect
  • Tuner: Yes
  • Expression Pedal: Yes
  • Battery Operation: Yes
  • Power Adapter Operation: Yes
  • Housing Format: Floor
  • Weight (kg): 3.2
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+49 (0)221 / 88 84 - 1610
+49 (0)221 / 88 84 - 2500