6 HP
22 mm deep

Module is a 1U tile.

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

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


submitted Dec 9th 2016, 00:30 by tapel | last Change Jul 7th 2018, 23:13 by Lugia

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