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Axis T8351 Mk II compact, all-round microphone with 3.5mm adapter, compatible with Axis IP cameras

£116.40 inc VAT
Free delivery on mainland UK and most EU countries. Check delivery charges to where you are.
  • Unobtrusive analogue microphone
  • Advanced hemispherical design
  • Powered by the connected network product
  • Compatible with Axis IP cameras
  • Axis 3-year warranty
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Overview of the Axis T8351 Mk II microphone

Part of the Axis T83 professional microphone range, this microphone provides high-quality audio capture and is designed to be used by an Axis IP camera without these functionalities 'built-in' (please check datasheet for model compatibility). Ideal for demanding applications with low ambient noise levels, this unit can be used for unobtrusive sound detection or to complement video surveillance.

The hemispherical microphone can capture sound from every direction, without the need to be positioned directly at the sound source. This device is compatible with Axis network products that have a 3.5mm jack for microphone input or a 4-pin audio connector. It provides enhanced audio quality in comparison to microphones that are built into camera housings. Additionally, when paired with the Axis Audio Extension Cable B 5m (please select from the dropdown menu if required), users can place the microphone up to 5m away from the connected camera - offering flexible installation options.

Integrating audio into existing CCTV systems enables users to hear activity occurring within the scene in live view and listen to audio recordings in playback - helpful when investigating footage for evidential purposes. Additionally, the unit's non-invasive casing can be easily mounted onto walls or ceilings - for unobtrusive surveillance of exposed locations.

Key technical features

Supported devices: all network cameras supporting a 3.5 mm jack for microphone input
Frequency range: 20 Hz to 20 kHz
Sensitivity: -22 dB 
Max SPL, peak before clipping: 126 dB
SNR: 82 dB A-weighted (relative: 1 kHz @ 1 Pa, 94 dB SPL)
Directionality: hemispherical
Audio: 3.5 mm stereo plug or terminal block with optional extender
Power: 2-10V DC; max consumption: 0.006 W

plastic casing, colour: light grey NCS S 1002-B

Compliance: EMC EN 55103-2, Safety IEC/EN/UL 60950-1, CE Environment IEC/EN 60529 IP65, EN 50581
Approvals: IP65-rated
Environment: indoor, semi-outdoor
Operating conditions: -20°C to 60°C, humidity up to 75% RH (non-condensing)
Dimensions: microphone: 27 (L) x 20 (W) x 20 (H) mm, cable: 3.1mm x 5m, 3.5 mm plug ((Ø)): 6.2 mm
Weight: 90g
Warranty: 3 years



  • White cover
  • Mount bracket
  • Drill template
  • Double-sided tape 20x10mm
  • Cable holders
  • Cable gasket M20 3mm
  • Cable gasket M16 3mm
  • Installation guide


  • 5 metre Axis audio extension cable
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