MH-66A4B Intrinsically Safe Submersible Speaker Mic
Submersible Speaker Microphone • IP57 Waterproof • Intrinsically Safe • For Vertex Standard Portables
The MH-66A4B Intrinsically Safe Submersible Speaker Mic is a rugged, IP57-rated waterproof speaker microphone built for your Vertex Standard portable two-way radio. Intrinsically safe and submersible, it keeps your team transmitting clearly in wet, dusty, and hazardous environments while the radio stays on your belt. Need help matching gear to your fleet? Call 1-800-984-1534 or contact our radio experts.
Compatible Radios
The MH-66A4B is compatible with Vertex Standard portables including the VX-231, VX-261 Series, VX-350 Series, VX-451 Series, ISVX-450 Series, EVX-261, EVX-531 Series, and ISEVX-534. Not sure if it fits your model? Call 1-800-984-1534 or contact our radio experts and we'll confirm compatibility before you buy.
Key Features
IP57 Submersible
Waterproof and dust-protected to keep communicating in rain, spray, and wet job sites.
Intrinsically Safe
Rated for use in hazardous and potentially explosive environments where safety matters most.
Hands-Free Audio
Clip it to your shoulder or collar and talk and listen without unholstering the radio.
Frequently Asked Questions About the MH-66A4B Intrinsically Safe Submersible Speaker Mic
• Which radios is the MH-66A4B compatible with?
The MH-66A4B fits Vertex Standard portables including the VX-231, VX-261 Series, VX-350 Series, VX-451 Series, ISVX-450 Series, EVX-261, EVX-531 Series, and ISEVX-534. If you're unsure about your model, contact us and we'll confirm it for you.
• Is the MH-66A4B really waterproof?
Yes. The MH-66A4B carries an IP57 rating, making it dust-protected and submersible, and it is intrinsically safe for use in hazardous environments.
• Need help choosing the right accessory?
Call our radio experts at 1-800-984-1534 or contact us and we'll match the right gear to your fleet.