Axis T8351 Mk II Microphone - Security Camera Microphone

Axis T8351 Mk II Microphone - Security Camera Microphone is a compact wired microphone designed to extend audio capture for compatible Axis surveillance cameras.

With a sensitivity of -22 dB and a broad frequency response from 20 to 20,000 Hz, the Axis T8351 Mk II delivers clear, natural audio suitable for monitoring environments where reliable sound capture matters. The high signal-to-noise ratio of 82 dB helps ensure recordings remain intelligible even in quieter conditions.

The microphone connects via a standard 3.5 mm (1/8") interface and draws power from a DC supply with an operating voltage of 10 V. The cable is 5 m long, offering flexible placement options within surveillance installations while the white plastic housing keeps the unit discreet and weather-tolerant when mounted near camera housings.

Measuring 20 mm x 27 mm x 20 mm and weighing just 90 g, the Axis T8351 Mk II is unobtrusive and easy to install. Its wired connectivity provides a stable signal path for continuous monitoring and recording without latency or wireless interference.

This microphone is specifically designed to be compatible with a wide range of Axis cameras, including P1364, P1365 Mk II, P1367, P1445-LE models, Q1615 Mk II, Q1645, Q1659, Q1785-LE, the V5914/V5915 series, many P33xx and Q35xx models, and more. Check the compatibility list when planning upgrades or replacements to ensure seamless integration.

Typical use cases include retail and point-of-sale monitoring, perimeter and access-point surveillance, and indoor scene audio capture for forensic review. Installers will appreciate the simple 3.5 mm connection and the 5 m cable that permits flexible mounting positions relative to the camera.

Key selling points are the wide frequency range for natural sound, high SNR for clear audio, compact form factor for discreet deployment, and broad compatibility with Axis camera models. The microphone’s HS code is 85181000 for shipping and customs needs.

• Sensitivity: -22 dB
• Frequency range: 20–20,000 Hz
• Signal-to-noise ratio: 82 dB
• Interface: 3.5 mm wired connection, 5 m cable
• Power: DC, 10 V