- A1 FOUR offers over 60 built-in effects
- Dedicated effects for acoustic guitar, saxophone, trumpet, violin, and harmonica
- Up to 5 effects can be used simultaneously, chained together in any order
- Anti-Feedback effects for suppressing microphone howling on stage
- Looper for recording up to 30 seconds / 64 beats of CD-quality audio with seamless start and end times
- Looper can be located at input of effects for easily editing parameters while performing
- ZOOM Guitar Lab software for creating, editing and managing effects and patches
- 68 built-in rhythm patterns tailored for unplugged styles of music can be used in combination with the Looper
- 50 memory locations for storing user-created patches
- Auto Save function for automatic saving of all patch parameters
- Onboard chromatic tuner supports all standard guitar tunings, including open and drop tunings
- Input jack accepts standard mono guitar cable (both active and passive instruments supported)
- Bundled with MAA-1 Mic Adapter for connecting XLR microphones. MAA-1 can supply Phantom power for condenser microphones
- Auxiliary input jack for connection of personal music players
- Output jack for connection to amp or headphones
- Runs on 4 AA batteries, with alkaline battery life of 18 hours
- USB port for firmware updates, power and connection to ZOOM Guitar Lab
- Zoom A1 Four Acoustic Instrument Multi-Effect Processor
- Pig Hog Tour Grade 6 ft Instrument Cable 1/4 Inch to 1/4 Inch Straight Connectors - PH6R
- Pig Hog Solutions 3.5mm TRS to 3.5mm TRS Adapter Cable, 6ft
- Pig Hog PP9V Pig Power 9V DC 1000ma Power Supply