A tiny minimalistic box for a passive audio mixer that sums the audio inputs without amplifying them. Basically just five potentiometers and a few resistors and sockets. 4 stereo in channels, 1 out. For internal wiring use this or any other schematics: https://www.instructables.com/Passive-Audio-Mixer-w-Channel-Volume-Control/
| box.stl | 270.7KB | |
| cap.stl | 13.6KB |
