powered microphone

Compact Shotgun Mic for Camcorders, with Supercardioid Lobar Frequency Response, Switchable Sensitivity, and Switchable Wind Noise Filter with Foam Windshield

" The K6 powering module is the heart of this Sennheiser professional modular microphone system and can be powered either by its internal 'AA' size 1.5 V battery or by different ...