Specifications

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Professional Speaker Microphones
OTTO’s professional grade speaker microphones are designed to be used in the harshest of environments. Both
Profile and Evolution microphones have been designed to exceed MIL810 specifications and are sealed to IP54
rating making them ideal for public safety officials, for construction site foremen or plant engineers to relay
instructions clearly.
Professional Grade
OTTO Profile Speaker Microphone
 2.5mm Earphone Jack
 Profile and Evolution rated IP54
 Both options meet MIL810 specifications
 Environmental PU cable with Kevlar re-enforcement
 Heavy duty strain relief
 Replaceable belt clips
 Evolution also has Hi/ Lo volume control
OTTO Evolution Speaker Microphone
OTTO Earphone Options
Acoustic Earphone
D-Earhanger Earphone