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Amazon.com: BOSS VE-2 Vocal Echo Pedal for Singing Guitarists | Real-Time Vocal Harmonies and Effects | Create Harmonies with Manual Key Selection | Connect Guitar for Auto Harmony Function | 24 Harmony
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BOSS VE-20 Vocal Performer Effects Processor Twin Guitar Pedal Stompbox Guitar Pedal (VE-20) - Walmart.com
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