Processor & Synth.

MODULAR SYNTHESIS MEETS MULTI-EFFECTS

The Empress ZOIA  blends modular synthesis with multi-effects, putting limitless sound design possibilities at your feet. With over 80 modules, including oscillators, filters, and LFOs, you can craft anything from classic delays and reverbs to complex synth patches—perfect for live performances or studio sessions.

CREATIVE FREEDOM ON YOUR PEDALBOARD

At the core of ZOIA’s design is an intuitive, customizable interface that invites musicians to explore and create unique sounds without ever needing a computer. With its illuminated grid and high-definition OLED screen, the ZOIA  makes it easy to see and
shape every aspect of your patches in real time.

Key Features

• 90+ modules and growing, including over 20 pre-built effects
• OLED screen for easy editing
• Store up to 64 patches in the onboard memory
• SD Card included for sample storage, patch transfers, and firmware updates
• ¼” Control Port accepts MIDI, expression pedal, control voltage, and external switch inputs
• ⅛” MIDI I/O ports accept ⅛”-to-MIDI adapters (included)
• 24-bit, 48kHz convertors with 32-bit internal processing

More Features

• 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 redbe 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.
• 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

Specifications

Input Impedance: >= 1MΩ

Output Impedance: 100Ω

Frequency Response (-3dB): 10Hz – 23.4kHz

Total Harmonic Distortion: 0.22%

Dynamic Range: 105.5 dBA

Input Headroom (no pad): +0.5 dBu

Input Headroom (6dB pad): +5.7 dBu

Input Headroom (12dB pad): +10.8 dBu

Output Headroom: +16.2dBu

Power Input Connector: 2.1mm Barrel Connector

Power Input Voltage: 9V DC (center negative)

Required Current: 300mA

Height (enclosure only): 1.75”

Height (including controls): 2.625”

Length: 5.7”

Width: 3.75”

Weight: 1.5lbs