
Anthony Easton
The ZOIA by Empress Effects is a modular synthesizer in pedal form, offering a wide range of features and functionalities. Here are the technical specifications and details:
- Pedal Type: Multi-FX
- Analog/Digital: Digital
- Presets: 64 x user presets
- Number of Effects: Over 50 ready-made effects modules
- Effects Types: Includes reverbs, delays, chorus', flangers, overdrives, and
more
- Power consumption: 9V DC center negative, 300 mA
- Dimensions: H: 6.8 cm (including knobs), W: 14.4 cm, D: 9.4 cm
- Weight: 537 g
- Input Impedance: >= 1MΩ
- Output Impedance: 100Ω
- Frequency Response (-3dB): 10Hz – 23.4kHz
- Total Harmonic Distortion: 0.22%
- Dynamic Range: 105.5 dBA
- Input Headroom: +0.5 dBu (no pad), +5.7 dBu (6dB pad), +10.8 dBu (12dB pad)
- Output Headroom: +16.2dBu
- Power Input Connector: 2.1mm Barrel Connector
- Power Input Voltage: 9V DC (center negative)
- High-Quality Audio: 48kHz sampling, 24-bit conversion, and 32-bit internal
processing
- Low-Noise Signal Path: Signal to noise of >105dB
The ZOIA comes with 80+ modules and growing, allowing users to create their own effects, synths, control devices, and more. It also features an OLED display screen for easy editing, control port and MIDI connectivity, customizable patch recall system, built-in help function, and an SD card for patch storage and firmware updates.
Additionally, the ZOIA offers a dedicated community for users to swap and share patches, providing a platform for continuous expansion and creativity.
Watch the latest video demos and reviews for the ZOIA from YouTube. Stompbx updates this every six months to reflect the most popular reviewers and guitar pedal demos for each pedal.

Below are live Reverb listings for the Empress Effects ZOIA from Reverb. Stompbx automatically aggregates current offers to give you a quick look at available models, conditions, and prices. Perfect for comparing options and making an informed purchase.

Brand New
$549

Brand New
$714

Brand New
$33.86

Brand New
$19.98

Excellent
$369

Brand New
$549

Browse through eBay listings for the ZOIA compiled in real-time. From vintage finds to brand-new units, see a variety of purchasing options. This automated collection helps you explore deals and find the right pedal at the right price.

New
$714.00

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Check out the latest news and articles from around the pedal world.

Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton