The VSAMICB is a compact, pre‑amplified surveillance microphone that brings high‑quality audio to any CCTV system. Its electret condenser capsule, onboard auto gain control (AGC) and dynamic noise reduction (DNR) deliver intelligible voice capture while keeping background noise low. A rugged aluminium body and simple RCA + 12 V DC connections make installation fast.

Key Features & Benefits

• High‑fidelity pickup — Electret condenser mic with pre‑amp for clear dialogue.
• Low noise — DNR processing; up to 82 dB SNR (typ.).
• Smart levels — Adjustable sensitivity and AGC handle quiet/ loud scenes.
• Wide coverage — Effective indoors across 5–150 m².
• Aluminium construction — Durable, discreet and lightweight.
• Plug & play — RCA audio out to DVR/NVR/encoder; 12 V DC power.

Ideal Deployments

• Retail counters, reception areas and interview rooms
• POS registers and customer‑service points
• Corridors, meeting rooms and access‑control points

Technical Details — At a Glance

• Model: VSAMICB • Capsule: Electret condenser • Pattern: Omni‑directional
• Operating area: 5 ~ 150 m² (indoor)
• Sensitivity: −30 dB (typ.) • S/N ratio: up to 82 dB
• Max SPL: 120 dB SPL @ 1 kHz (THD 1%) • Dynamic range: up to 106 dB
• Output: 2.5 Vpp / −25 dB (RCA, unbalanced) • Impedance: 600 Ω
• Bandwidth: 20 Hz ~ 20 kHz
• Power: 12 V DC (9–18 V), ~50 mA
• Operating temp: −25 °C ~ +70 °C
• Construction: Aluminium • Dimensions: Ø70 × 21 mm • Weight: ~0.11 kg
• I/O: 2 × RCA (audio out) + 1 × DC power jack
• Compliance: CE / RCM