More compact and easier to program than the original 504 Acoustic.

Features a sleek new design and easy analog operation. 

A fully programmable compact multi-effect pedal for acoustic guitars.

Built-in simulator transforms electric guitar tone to that of an acoustic instrument.

Specially designed Acoustic effects (De-Amp, AIR & TOUCH).

Switchable Feedback Supressor automatically detects & attenuates feedback problems.

Unique "Air" Effect Recreates Ambient Sound Of A Miked Acoustic Guitar.

"De-Amp" Effect Restores Guitar's Natural Sound When Used With Amplifier.

4 Acoustic Simulators (Normal, Jumbo, Piezo, Classical).

4 Reverbs; 4 Delays; 6 Modulation Effects.

"Limiter;" "Edge;" "Body & Top" & More.

EMPHASIZER effect simulates resonator instrument tones.

Built-in auto-chromatic tuner.

Optional FP01 Expression Pedal lets you change volume effects dynamically.

Stereo line out/headphone out with master level control.