The microphones are omnidirectional condenser microphones and therefore do not need to be aimed directly at the sound source. AXIS T83 design allows for discreet installation, and they can be used for covert audio detection or as a complement to indoor video surveillance.

AXIS T8351 with a 3.5 mm connector and AXIS T8353A with a 3.5mm adaptor are compatible with Axis M-, Pand Q-line network video products supporting a 3.5mm jack for microphone input. AXIS T8353B Microphone Phantom Power is an omnidirectional microphone with an XLR contact and a pigtail adaptor. Phantom power voltages of 12-48VDC is supported. It is compatible with phantom power devices, such as AXIS P8221 Network I/O audio module.