Avon VPU C50 / M50 Voice Protection Unit New In Sealed Bag NSN:4240-01-528-9294

Description

Avon VPU C50 / M50 Voice Protection Unit New in sealed bag for the M50 gas mask
NSN:4240-01-528-9294
I will follow ITAR regulations and ship in the U.S. only.
I reserve the right to cancel any purchases and issue a full refund if I feel they might be shipped out of the U.S. to a third party.
Included with this listing-
Voice Projection Unit w/ Internal Microphone, includes the following components:
VPU / Voice Projection Unit: NSN = 4240-01-528-9294
Those of us “old farts” will remember the m17 and m17a1 masks and how hard it was to talk through the mask. With this external speaker now you can be clearly heard…. FINALLY
It has a simple on/off switch and an external battery compartment that takes 2-AAA batteries.
Normally, a gas mask that is not equipped with the optional VPU unit, allows speech to pass through the facepiece material via the mechanical voice emitter membrane. That system works, however it is far from perfect. Masks equipped with the (very cool looking) VPU unit amplify that sound so that it can be heard in noisy environments. In particular its useful for crowd control, riot control operations, and could prove invalueable in any emergency situation.
Additng the mic unit to the M50 gas mask thats already equipped with the external voice amp (VPU), allows for faint sounds like a whisper (from user) to be amplified by the VPU perfectly, with zero distortion from the mechanical voice emitter membrane (the distortion is minimal, however, when speaking in a normal voice as the mechanical membrane/voice emitter works best when speaking in a normal voice or louder). For these reasons, the mic & VPU add to the overall clarity of a users voice.
Lastly, for professional users (such as law enforcement & military users), needing to communicate thru comm systems (police radio or military comms), there is an additional piece available 'comm adapter' (black) piece that enables that functionality. Most users do not require the 3rd piece as its only for connection to an external comm system. We do not have those available.
The mic & VPU are intrinsically safe & therefore can be used in combustible, chemical and hazardous environments or areas that could pose an explosion hazard. The VPU & Mic both conform to UL Standard 913, Class I, II, III Div. 1 GR A-G, T4, Control DWG 17478. The Avon VPU uses 2-AAA batteries, from which the mic draws power, so no additional batteries or wires are needed. The M53, FM53, C50, M50 & M51 all have the connections built-in via ECM port(s). NOTE: The PCM50 / PC50 does not have these features.
Priority mail shipping and insurance. Combine this auction with my auction for the internal mic and I’ll refund one shipping payment.
I will only ship to the U.S. PERIOD