Skip to content

Befaco Noise Plethora firmware

Befaco active Device launched 2021
eurorack
Get alerts for new Noise Plethora firmware
Free · one message per release
Continue with Google Continue with Apple

Latest firmware

1.5
released 15 Dec 2021
Download firmware from github.com · needs Teensy Loader
Updater
Teensy Loader
Manual
User manual (PDF)

What's new in 1.5

Initial Release.

Last checked 26 Oct 2026

What you get with a free account

  • An alert the day a new Noise Plethora firmware ships, by email, Telegram or push
  • Your whole rig in one place, with the version each device is on
  • Used and new Reverb prices for your gear
  • A public rig page to share, if you want one

We check Befaco's official download page for the Befaco Noise Plethora every day. One message per release. No spam, no newsletter.

Sign in, it’s free →
Continue with Google Continue with Apple

Befaco Noise Plethora manual & official pages

How to update the Befaco Noise Plethora

Unplug the module from your Eurorack power supply before you connect the USB cable. 1. Download the firmware zip from the GitHub release linked above and unzip it: it holds the .hex file and Befaco's update procedure. 2. Install Teensy Loader from pjrc.com. 3. Connect the Noise Plethora to your computer with a USB cable. 4. Open Teensy Loader and load the .hex file (File > Open HEX File). 5. If the app asks, press the button on the Teensy board inside the module to start the transfer. The display shows the firmware version for a moment at startup.

What you need

Teensy Loader — the software Befaco uses to load firmware onto the Befaco Noise Plethora. Download links below.

Just for reference. For complete and up-to-date instructions, always refer to the manufacturer's official firmware page.

Drivers & software for the Befaco Noise Plethora

The Befaco Noise Plethora is updated with Teensy Loader, published by Befaco.

Download Teensy Loader from Befacoopens in a new tab — pjrc.com

Sign in to see Reverb prices →

Befaco Noise Plethora firmware update history

Changelogs summarised from the manufacturer's release notes.

1.515 Dec 2021

Release notes for this version are listed above.

Release notesopens in a new tab — github.com

Tracked in 2 rigs on FW//RADAR.

Befaco Noise Plethora firmware FAQ

What is the latest firmware for the Befaco Noise Plethora?

The latest firmware for the Befaco Noise Plethora is version 1.5, released on 15 Dec 2021. FW//RADAR last checked Befaco's official page on 26 Oct 2026.

How do I update the Befaco Noise Plethora?

Unplug the module from your Eurorack power supply before you connect the USB cable. 1. Full instructions on Befaco's official firmware page.

What software do I need to update the Befaco Noise Plethora?

You need Teensy Loader, available from pjrc.com.

Where can I download Befaco Noise Plethora firmware and drivers?

Directly from Befaco's official firmware page — FW//RADAR links to the source and never hosts firmware files. Official firmware page →

Where can I find the Befaco Noise Plethora manual?

The official Befaco user manual is a PDF hosted on befaco.org. Befaco Noise Plethora user manual (PDF) →

Is the Befaco Noise Plethora still receiving firmware updates?

The last firmware release we recorded is 1.5 from 15 Dec 2021. FW//RADAR still checks Befaco's page daily.

Related Befaco devices

Similar eurorack gear

View on Reverb →