Evolution Speaker Microphone – OTTO Communications

OTTO's Evolution is a sealed speaker microphone with high low volume control.

Versatile and reliable speaker microphone for demanding environments
Sealed housing meets MIL-STD-810 including 40 mph blowing rain
Adjustable high/low volume control
2.5mm accessory jack for use with earphone kit for loud environments or discreet communications
Built-in debris screen
Clothing clip assembly: 360° rotation with positive detent stops every 45°
Optional emergency button and antenna connect

Speaker Microphones