ZOIA – Empress Effects Inc.。Empress Effects Zoia Modular Synth Pedal | Long & McQuade。Empress Effects – Nightlife Electronics。Guitar Pedal X - GPX Blog - The Empress Zoia Lands April 15th。ZOIA by Empress EffectBonus:+ Boss Power Adapter (ZOIA compatible)+ USB (5V) power adapter (ZOIA compatible)Firmware version 5.0 and fully functional.The USB adapter is very convenient for traveling.Slight scratches on the bottom right (see picture).