This VPU (Voice Projection Unit) is solid, and designed for quick attach and detach. It fits the M40, M42, MCU series, Millennium mask (and any with the same front voicemitter ring), even those with a mic input jack protruding from the front like some MCU models and the M42.

2024年5月6日 · M40系列防毒面具被美国陆军，美国海军陆战队和美国海军选择使用，为替代M17防毒面具而生的，由溴化丁和三元乙丙橡胶的混合胶制成，目前该装备现已退役，其继任者为M50防毒面具。 市面上有较多存货，相对容易淘到。

Compatible with MSA Millennium, Advantage 1000, and 3M FR-M40 Gas Masks; NIOSH approval for effectiveness against chloroacetophenone (CN), chlorobenzylidene (CS), and oleoresin capsicum (OC) tear gas; Uses 2 triple(AAA) batteries for up to 18 hours of continued use; Condition Voice Amplifiers are in like-new condition, and are fully functional.

The VPU makes a person’s voice clear and distinct, which is a critical necessity for tactical units such as SWAT teams and the military. Once fitted, the VPU is securely attached and allows for weapons firing. The unit requires (2) AAA batteries (not included). The microphone clips into the three holes inside mask, and is powered by the VPU.

Just a “short” video on me talking about and demonstrating the sound capability of the 3M RBE-CM4 VPU; a lesser known VPU for the M40/M42 and MSA Millennium/MCU-2P/MCU-2/AP. Originally, was...

Surprisingly the M40 VPU is the best. You sound the most robotic but it's the loudest so it's easy for other people to hear you, especially with earpro on. It's also the cheapest

Threaded VPU for M40 masks. Tested on mask, works well battery terminals are clean. PM with any questions, thanks!

We carry multiple common and difficult to find audio communication devices for certain models of military gas masks. These devices are commonly referred to as.

Clip on VPU for MCU2P mask specifically. It clears the plug on the front of the mask and clips onto the sides rather than screwing on. It will work with any similar MSA mask of the time (m40, millenium, etc) but check my page for the threaded VPU as well if that's what your after.

2021年12月24日 · I’m having issues with this MSA M40 VPU. It’s practically brand new, it was sealed and everything, but when I put the battery in and turn it on it just makes this faint static noise. Share