Electret microhpone 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.

Features:

• Electret pre-amplifer in 1U x 6 HP
• DC biased input for electret FET power
• One knob for gain control

http://erthenvar.com/store/tilemodules/etret

• ? mA +12V
• ? mA -12V
• ? mA 5V

No info about availability.