The Verifact Model B is an omni-directional, low impedance, condenser microphone with built-in preamp for producing line level audio. It is housed in a high impact ABS dome designed for ceiling or wall mounting. The normal pick-up pattern is approximately 15" from the microphone location, in all directions, or within a 30" diameter circle. It is used with high ceiling installations and includes an extension cable for postioning the microphone from 3" to 10" from its dome housing. Audio Specifications: Frequency Response :40 Hz to 15 Hz +/- 1dB; Physical Specifications: Construction :High Impact ABS; Diameter (mm) :100 (4 in); Height (mm) :38 (1.5 in); Power Specifications: Amps DC (mA) :4; Voltage DC :12; Warranty:1 year.
