Add Effects to a Massive Range of Acoustic Instruments Whether you play acoustic guitar, saxophone, trumpet, violin, harmonica, or acoustic bass, the Zoom A1 Four was made with you in mind. This amazing multi-effects processor is jam-packed with more than 80 effects, including 35 acoustic-optimized effects. You’ve got plenty of processing power on tap, enabling up to five simultaneous effects, chained together in any order. The A1 Four contains 50 memory locations for storing user-created patches, and Zoom’s Guitar Lab software makes building patches a breeze. This unit yields great-sounding, pro-level sound quality during live use, thanks to two performance modes, hassle-free microphone connection, and an anti-feedback filter.
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