OTTO LOC 1-Wire Surveillance Kit - Includes Ear Piece Scroll down to see connector chart. Configure to meet your needs. 1 wire option (click to see OTTO LOC 2-Wire Kit) 6 earpiece options to choose from Choose radio connector Unique, durable quick disconnec..
OTTO V1-10432 Listen-Only Earpiece Kit for OTTO Evolution, Profile & Storm Speakers. 2.5mm right angle plugWorks in conjuction with speaker microphones to provide private communications Listen only devices Earphone kits have lightweight earphone, rubber eartip and clothing cl..
OTTO V1-10433 Listen-Only Palm Mic Kit for OTTO Evolution, Profile & Storm Speakers. Listen only, 3.5mm Rt Angle Plug, with earbud Works in conjuction with speaker microphones to provide private communications Listen only devices Earphone kits have lightweight earphone, rub..