VPU Voice Projection Unit

The Avon Protection Voice Projection Unit (VPU) is a clip-on communications accessory that integrates with Avon 50/53/54-series respirators, amplifying the operator's voice without compromising the mask's protective seal. Designed for dynamic operational environments where clear communication is mission-critical, the VPU connects via the mask's Electronic Communication Port (ECP) and enables integration with personal radios and vehicle comms.

Connects directly to the mask's Electronic Communication Port (ECP) — no breach of the protective seal
Compatible with C50, FM50, FM53, FM54, and M53A1 respirators (model dependent)
Intrinsically safe — conforms to UL Std. 913 Class I, II, III Div. I

Specifications

Features

Amplifies the operator's voice for clear, intelligible speech to nearby personnel
Powered by a single CR123 lithium-ion battery (not included)
Pass-through lead interfaces with the mask connector and houses a second connector for radio or comms equipment
Easily removed to allow VREU exhalation resistance changes (FM53/FM54 models)
Must be used with the matching Voice Projection Unit Microphone Assembly
Mounts to the front of the mask's VREU (FM53/FM54) or directly to the ECP (C50/FM50)

Performance

Intrinsically safe certification: UL Std. 913 Class I, II, III Div. I Gr. A-G, T4
Maintains full mask communications range and operational effectiveness in CBRN environments
Designed for dynamic combat and tactical entry operations
Subject to U.S. Export Administration Regulations (EAR)
Note: this is the Voice Projection Unit — the EZAir/PAPR systems are separate Avon products