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Boss DD-20 Giga Delay
Delay/Echo/Phrase Sampler for Guitar
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Boss RE-20 Space Echo
Delay/Echo/Phrase Sampler for Guitar
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Boss OD-20 Drive Zone
Overdrive pedal
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Boss RT-20 Rotary Ensemble
Rotary speaker simulator
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Boss EQ-20 Graphic Equalizer
Graphic equalizer pedal
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Boss SL-20 Slicer
Other Guitar Effect
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Boss CE-20 Chorus Ensemble
Chorus for Guitar
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Boss GP-20 Amp Factory
Guitar Amp Simulation Pedal
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Boss WP-20G Wave Processor
Other Guitar Effect
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Boss OC-20G Poly Octave
Octaver/Harmonizer/Whammy
