6 HP
20 mm deep

Module is a 1U tile.

Current Draw
10 mA +12V
10 mA -12V
0 mA 5V
$30 Price in €

No info about availability.

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


submitted Sep 10th 2014, 02:19 by mypetrobot | last Change Jul 7th 2018, 22:51 by Lugia

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