Zoom A1 Four Acoustic Multi-Effects Processor Pedal

Designed to elevate your acoustic instruments to new heights, the A1 Four from Zoom is the first multi-effects processor designed specifically for acoustic string and wind instruments, packed with 80 high-quality effects, including 35 effects dedicated to acoustic instruments, and a sophisticated acoustic guitar emulation engine that uses specially recorded IRs for a true-to-life transformation of your guitar tones. You can run and chain up to five simultaneous 32-bit effects in any order you want in up to 50 user-defined patches, and with 68 rhythm patterns, a chromatic tuner, and a comprehensive internal looper that can store up to 30-second loops, you have a powerful toolset for unlocking the full scope of your creativity.

Add a New Dimension to Your Acoustic Instruments

Designed to elevate your acoustic instruments to new heights, the from is the first multi-effects processor designed specifically for acoustic string and wind instruments, packed with 80 high-quality effects, including 35 effects dedicated to acoustic instruments, and a sophisticated acoustic guitar emulation engine that uses specially recorded IRs for a true-to-life transformation of your guitar tones. You can run and chain up to five simultaneous 32-bit effects in any order you want in up to 50 user-defined patches, and with 68 rhythm patterns, a chromatic tuner, and a comprehensive internal looper that can store up to 30-second loops, you have a powerful toolset for unlocking the full scope of your creativity.

Acoustic Guitar Modeling

Add depth and dimension with acoustic emulators and modeling. Refresh your instrument’s natural sound, allowing your live performances to sound just like your studio recordings. Select and hone in on the tone of your favorite guitar make and style.

Efficient Connectivity

The A1 Four sports simple yet versatile I/O that can handle numerous situations without bulking the pedal up. A simple 1/4" line input is provided for plugging in, and a combination 1/4" line and headphone output lets you connect to high-powered, studio-grade headphones or amplifiers equally with ease.

The Perfect Partner

The Zoom MAA-1 mic adapter provides a hassle-free connection to the A1 Four. It works with dynamic microphones and even provides phantom power for condenser mics. Add effects to any acoustic instrument and adjust gain settings with the MAA-1's easy-access controls.

More Body for Your Harmonica's Soul

Play punchy, midrange sounds of a blues harp or experiment with your own new sounds. Play through the preset patch Hm StevieW and get that famous harmonica sound as the chorus’s wet signal effect is modified to fit the frequency response of the chromatic harmonica.

Take Your Upright Bass to New Heights

With focused highs and rich lows, the A1 Four gives you control and flexibility from classical to rockabilly, and all styles in between. Add octaves, select your piezo effect, or create your own unique signature sound.