HANDHELD APC & Chaos Nand versions - Synthrotek DIY LoFi square wave synthesizers - YouTube. HANDHELD APC & CHAOS NAND LoFi synth demo with Korg Volca and BCS - YouTube. The Chaos NAND Synth is our custom modification of the Chaos NAND Synth circuit.
In good working condition. May show signs of use, but works. Comes as pictured. Please see pics for condition
Artiphon Orba Handheld Synth Controller, 8 Keys, Bluetooth, USB-C
Compact size MIDI sound module with 128 the newest general MIDI sounds. This is unique design which works as USB host that you can connect USB MIDI keyboard directly to mini engine to get sound no need to connect to our computer.