The ZOIA is basically a modular synthesizer in pedal form. Instead of being a delay effect or tremolo, the ZOIA provides the modules necessary to build a delay or tremolo from the ground up. But since you’re the one building it, you can make it do whatever you want. With the ZOIA you can build your own custom effects, synthesizers, midi controllers, and virtual pedal boards. And to make life a little easier, we’ve created modules for all your standard guitar effects. So for instance, if you want a phaser, you can just plop down a phaser. You don’t have to break out the textbooks to learn that they’re built out of all-pass filters. (Of course, if you’re a nerd like us, you can use the ZOIA to build them out of all-pass filters).



80+ Modules and Growing – ZOIA comes packed with a vast collection of modules to create just about anything you can dream up. With ZOIA the only limit is your imagination!
Create your own effects, synths, control devices, and more! – Oscillators, LFOs, filters, bit crushers, envelope followers – these are just a handful of the included modules that can be connected in almost any way imaginable. If you can dream it up, you can create it!
20+ Ready-Made Effects Modules – Pre-built effects modules such as reverbs, delays, chorus’, flangers, overdrives and more.
Up to 64 Patches – Create and save up to 64 patches that can be easily recalled during live performance.
Swap and Share Patches – Join the community of ZOIA users on patchstorage.com to try out other users patches, or upload your own awesome creations to share with the world.
SD Card Included – Load and save patches to/from ZOIA. We’re also continuously improving the firmware by adding new modules and features, and fixing bugs. Download the newest firmware from empresseffects.com and load onto the ZOIA with the included SD card.
OLED Display Screen for Easy Editing – View all of ZOIA’s module and parameter information on the high resolution OLED display screen.
Control Port and MIDI Connectivity – Dedicated control port and MIDI 1/8″ in/out jacks allow you to connect a huge range of external devices to control any or all of ZOIA’s functions and parameters. 1/8″ to MIDI dongles included.
Customizable Patch Recall System – The on-board stompswitches can be used in either scrolling- or bank-style preset modes, for quick on-the-fly patch recall that suits your workflow.
Built-In Help – Almost like having a built in manual, the dedicated help function will give you quick information at a glance about ZOIA’s various modules and options.
High-Quality Audio – 48kHz sampling, with 24 bit conversion and 32 bit internal processing.
Low-Noise Signal Path – Features extremely low noise operation with a signal to noise of >105dB

EVER-GROWING LIST OF MODULES Interface Modules Audio Input Audio Output Midi Notes In Midi CC in Midi Pressure Midi CC out Midi PC out Midi Note Out Stompswitch UI Button Pushbutton Keyboard Cport Exp/CV in Cport CV out Analysis Modules Onset Detector Env Follower Pitch Detector Audio Modules Oscillator VCA SV Filter Multi-Filter Delay Line Audio Panner Pitch Shifter Audio Balance Audio Mixer Inverter Audio In Switch Audio Out Switch All Pass Filter Noise Audio Multiply Bit Crusher Aliaser 1 Buffer Delay Looper Stereo Spread Bit Modulator Diffuser CV Modules LFO Sequencer ADSR Sample and Hold CV Invert CV Rectify Value Trigger CV Flip Flop CV Delay CV Loop CV Filter Clock Divider Comparator In Switch Out Switch Slew Limiter Quantizer Steps Multiplier Random Rhythm Effects Tone Control EQ Delay w/Mod Ping Pong Delay OD & Distortion Fuzz Compressor Gate Plate Reverb Hall Reverb Room Reverb Ghostverb Reverb Lite Phaser Chorus Vibrato Flanger Tremolo Env Filter Ring Modulator Cabinet Sim