Mini Security CCTV Audio Pickup Microphone Module (Single IC High-Gain Active Circuit)

Upgrade security surveillance channels with high-clarity voice and environmental sound recording using this Single IC Mini CCTV Audio Pickup Microphone. While standard camera systems provide clear video streams, visual footage alone often lacks critical verbal context during dispute resolutions, customer service reviews, or legal investigations.

In retail billing counters, office entry gates, bank cashier stations, cash drawers, and residential entrances, capturing crisp, intelligible speech and ambient sound is essential for complete security monitoring.

Basic passive microphone capsules or multi-transistor discrete circuits frequently suffer from heavy line resistance over long cable runs, resulting in faint voice pickup, high background static, low audio gain, or power supply ripple hum.

When a surveillance system records video without clear synchronized audio, vital spoken instructions, security alerts, or conversation details are missing during playback.

This audio coverage gap weakens evidence quality during security audits, insurance claims, or police inquiries.

Engineered around a specialized Single Integrated Circuit (IC) pre-amplifier architecture, this active microphone module automatically filters high-frequency noise while boosting low-level voice signals into a clean line-level output. Manufactured with a high-sensitivity electret capsule, reverse-polarity power protection, and compact housing, this single IC audio pickup provides CCTV installers, security integrators, and technicians with a reliable, plug-and-play solution to add clear audio monitoring to any camera location.

⚙️ Technical Details

• Specification: Details
• Product Type: Mini Active Audio Pickup Microphone Module / CCTV Sound Sensor
• Circuit Architecture: Single IC Active Preamplifier Circuit (Low-Noise Signal Processing)
• Quality Grade: High-Gain Active Grade
• Condition: New
• Audio Sensor Type: High-Sensitivity Omnidirectional Electret Condenser Capsule
• Signal Output Type: Line-Level Analog Audio (RCA / BNC Compatible)
• Frequency Response Range: 20 Hz – 20 kHz
• Sensitivity Rating: -38 dB to -40 dB (High Sensitivity)
• Monitoring Range: 5 m² to 50 m² (Subject to acoustic environment)
• Operating Voltage: DC 9V – 12V
• Wiring Interface: Standard 3-Lead Wire Harness (Red: DC Power +, Black: Power Ground / Audio Shield, White/Yellow: Audio Output Signal)
• Supported Devices & Systems: Security Hardware: DVRs, XVRs, NVRs with RCA Audio Input, Audio-Enabled IP Cameras, Sound RecordersApplications: Billing counters, office receptions, cash registers, elevator cars, entrance gates
• Primary Function: Captures ambient voice and ambient audio near camera locations and sends low-noise line-level signals to recording devices
• Common Symptoms Solved: Silent surveillance footage, faint or distant-sounding voice recordings, background hum/static, low audio volume over long cable runs
• Package Contents: 1 x Mini Security CCTV Audio Pickup Microphone Module (Single IC Circuit)