SmallTalk ST2-F Voice Communication Amplifier for Gas Mask Respirator NIB!

Description

SmallTalk ST2-F Voice Communication Amplifier for Gas Mask Respirator (NIB!)
The Voice Amplifier ST2-F is a communication accessory initially designed for the S.E.A. full face mask Air Purifying Respirator (APR).
The microphone is mounted onto the exhalation valve seat of the respirator. The pocket-size loudspeaker can be clipped onto a breast pocket or waist belt.
The ST2-F is designed to withstand temperature, vibration, impact, dust and spray. It is water resistant, however, do not subject it to running water, and do not immerse it in water. When used in accordance with user instructions, the respirator continues to provide full protection.
100% compatible with S.E.A. full face masks, but may be modified and used for other purposes.