ZOOM A2.1u acoustic multi-effects processor and USB audio interface

ZOOM A2.1u acoustic multi-effects processor and USB audio interface

Zoom A2.1u is a multi-effects processor and USB audio interface specifically designed for acoustic guitarists. Powered by Zoom's proprietary ZFX-3 32-bit DSP chip, it is engineered to model the natural resonance of acoustic body styles and deliver high-fidelity tone shaping.
Official support documentation and user guides can be accessed via the ZOOM Global Support Portal.

Core Technical Specifications

Audio Fidelity: 24-bit A/D, D/A conversion with high-resolution 96kHz sampling.
Frequency Response: 20Hz to 40kHz, ensuring clean acoustic transparency.
Effect Capacity: 47 distinct effect types across 8 modules, allowing up to 8 simultaneous effects.
Memory Capacity: 80 total patch slots split between 40 factory presets and 40 user-programmable spaces.
Latency: Ultra-fast 8ms patch change speed minimizes sound gaps during live play.

Key Features

Acoustic Modeling: 12 simulations that replicate the character of famous body shapes and microphone setups.
Expression Pedal: Integrated pedal designed for real-time manipulation of volume, effect mixes, or modulation parameters.
Feedback Elimination: Dedicated automatic frequency-detection notch filtering kills acoustic feedback mid-performance.
Connectivity Engine: Equipt with standard 1/4" input/output jacks, a balanced XLR DI output for mixing boards, and a USB interface for direct computer recording.
Practice Accompaniments: Built-in chromatic tuner and an integrated drum machine loaded with 40 rhythm patterns.
Power Methods: Operates using 4 AA batteries (for up to 6 hours) or a standard 9V DC adapter