Download CTR2-MIDI Firmware – v2.01.03
Download the latest CTR2-MIDI firmware for CTR2-MDI and CTR2-Micro here
CTR2-Max Firmware – v2.00.01
CTR2-Max offers a larger display, more knobs and pushbuttons, and better sidetone when operating in Flex mode with AetherSDR’s CTR2 Relay. This firmware runs on the CTR2-Max-5 unit. Download the…
CTR2-Max Manuals – v2.00.01
Operation manuals for CTR2-Max and AetherCTR2 can be found here
Important CTR2-Max Update – October 24, 2026
The bad news… A recent push by the FCC to require FCC certification of all RF emitters sold in the United States caused me to re-evaluate the components I use…
CTR2 2026 Product Line
You can find my complete line of CTR2 radio controllers here. With the variety offered, I'm sure you can find one that fits your needs.
CTR2-Flex/CTR2-Dial Dual-Boot Firmware v2.05.06
The new CTR2-Flex v2 firmware allows you to boot either CTR2-Flex or CTR2-Dial firmware without re-flashing your CTR2 controller.
CTR2-MIDI Operation Manuals – v2.01.2
Read or download the latest operation manual for CTR2-MIDI here
CTR2-Max Config Files v1.02
v1.02: September 14, 2026 Current Configurations The following configuration are available. Each configuration includes a CTR2 settings file (.CTR2), an Excel spreadsheet file detailing the CTR2-Max and app mapping, and…
Download CTR2-Micro Firmware – v1.08.00
Download the latest firmware for your CTR2-Micro here