Module is a 1U tile.
This Module is currently available.
Electret microphone pre-amplifier 1U Tile
E-TRET is a pre-amplifier for electret microphone elements. It can be used with our Electret Capsule (M1), or other electret sensors.
There are two jacks: electret input and audio output in addition to a single gain knob.
Electret pre-amplifer in 1U x 6 HP
DC biased input for electret FET power
One knob for gain control
1 Users are observing this
These merchants probably sell this module. Huh?