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Amazon.com: Zoom A1 FOUR Acoustic Instrument Multi-Effects Processor Pedal, Acoustic Modeling, Looper, Rhythm Section, For Guitar, Saxophone, Trumpet, Violin, Harmonica, and Upright Bass : Musical Instruments
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Zoom B1X FOUR Bass Guitar Multi-Effects Processor with Expression Pedal, With 70+ Built-in Effects, Amp Modeling, Looper, Rhythm Section, Tuner, Battery Powered - Walmart.com
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