• Built in on board IC preamp, low noise, high gain and auto level adjustment
• Pick up every sound with this super high gain micro audio system. This microphone is compatible with devices that accept AV input, like TV, VCR, DVR
• Preamplifier used to increase a microphone's low output voltage to a stronger usable level
• Super high gain mini microphones capturing audio evidence
• Package included: 1 x preamp microphone, 1 x 12V DC 500mA power supply and 50ft extension cable

Collect audio evidence as important as capturing video evidence, this preamp microphone kit is a perfect addition to any system. This microphone is compatible with devices that accept AV input, like TV, VCR, DVR.This high gain mini preamp and microphone is the best for professionals, with Pre-amplifier IC built on board, it increase a microphone's low output voltage to a stronger, more usable level, it features low noise, high gain and auto level adjustment on-board preamp circuit. This mini-size microphone is only 5mm in diameter, easily hidden. Notice: This item is VideoSecu brand.