Utility panel built into Dreadbox 3U 122 HP Modular Case

(HP is actually 122 despite Modular Grid's maximum allowed 120 HP.)

Attenuators
4x Linear passive attenuators.

CV Splitter
1 to 4 passive splitter. You may also use it for Audio if it is DC coupled first.

CV Mixer
4 to 1 active mixer. You may also use it for Audio if it is DC coupled first.

Audio Mixer
5 channel Audio Mixer with logarithmic response.

LFO
Simple 2 wave LFO. Connected directly to the illuminating waves of the case's back side.

Attenuator
Logarithmic passive attenuator