Miniature omnidirectional condenser microphone with power module | Audio-Technica https://www.audio-technica.com/de-de/microphones/wireless-systems/series/3000-series/mics-and-cables/at803
The AT803 provides excellent yet unobtrusive sound pickup for lecturers and stage/TV performers.
Batterielebensdauer 0.4 mA / 1200 hours typical (alkaline) Schalter Off, on-flat, on-roll-off Gewicht
