Security Microphones CCTV Microphones Surveillance Microphones
Security Microphones | CCTV Microphones
Surveillance Microphones | Camera Microphones | Bug Microphone | Spy Microphone | Hidden Microphone | Covert Microphone | Concealed Microphone
 

 
Microphone with inbuilt preamplifier

Microphone $5

Microphone with inbuilt preamplifier

Output: Line Level Audio via RCA socket.

Power 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.

 
Tiny 'Capsule' Microphone with inbuilt pre-amplifier

Mike-Cap $29 Taiwan Quality
BULK BUY Price click on TRUCK for more informationBulk-Buy $19 (50+). $18 (100+). $9 (300+).

Tiny Capsule Microphone inbuilt pre-amplifierTiny Microphone & Preamplifier connect to VCR TV Tape Recorder Audio Monitor PC Sound Card AV Wireless Transmitter Sender Better than most inbuilt Camera microphones wider pick up angle larger pick up area use more than one for large areas use for general audio monitoring use for covert hidden concealed spying bugging surveillance monitoring applications 
click image to enlarge

Cable-2m1f DC power cable splitter, power Microphone from Video Camera supply.

Wider pick-up 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 large areas.

Signal : Noise Ratio better than 58 dB.

Frequency response approximately 30 ~ 15000 Hz.

Output: Line Level Audio via RCA socket on ~ 500 mm Cable.

Dimensions: 6 ~ 8 mm Diameter, ~ 24 mm Long, excludes connecting cable and plug.

Power Requirements: 9 ~ 15 Volts DC, 15 ~ 20 mA, via 2.1 mm x 5.5 mm DC socket center pin = (+) on ~ 500 mm Cable.

For the 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.

 
Tiny Microphone & Preamplifier connect to VCR TV Tape Recorder Audio Monitor PC Sound Card AV Wireless Transmitter / Sender Better than most inbuilt Camera microphones wider pick up angle larger pick up area use more than one for large areas use for general audio monitoring use for covert hidden concealed spying bugging surveillance monitoring