Microphone with inbuilt preamplifier
Level Audio via RCA socket.
Requirements: 12 Volts DC, ~ 5 mA via 2.1 mm x 5.5 mm DC
socket center pin = (+)
on ~ 550 mm Cable.
Made in China.
'Capsule' Microphone with inbuilt pre-amplifier
click image to
Cable-2m1f DC power cable splitter, power Microphone from
Video Camera supply.
angle - Larger pick-up area - More Sensitive than most inbuilt
camera microphones * May be located closer to source of sound
or attached to camera bracket, etc. * Use more than one for
Noise Ratio better than 58 dB.
response approximately 30 ~ 15000 Hz.
Level Audio via RCA socket on ~ 500 mm Cable.
~ 8 mm Diameter, ~ 24 mm Long, excludes connecting cable and
Requirements: 9 ~ 15 Volts DC, 15 ~ 20 mA, via 2.1 mm x 5.5 mm
DC socket center pin = (+)
on ~ 500 mm Cable.
technically minded... PCB Socket & Heat-Shrink tubing could be
removed & wires soldered to PCB for more compact (~ 6 mm x ~
24 mm) applications.
Gain could be increased by changing Resistor value(s). Could
be powered from a 5 VDC regulated supply, has an on-board 3
Terminal Voltage Regulator that could be bypassed or removed.