MH-101A4B One Wire Surveillance Style Headset
Surveillance Style • One-Wire Design • Single-Pin Connector • VX Series Compatible • Discreet Earpiece
The MH-101A4B One Wire Surveillance Style Headset is a discreet, single-wire earpiece built for VX Series two-way radios that use a single-pin connector. Its low-profile surveillance design routes audio quietly to the ear, making it ideal for security, loss-prevention, hospitality, and retail teams who need clear communication without drawing attention — a professional accessory from our business two-way radio lineup.
Who It's For
Built for VX Series radio users who need a covert, comfortable audio accessory — security and event staff, retail floor teams, and front-of-house personnel. Prefer an in-ear comfort-loop style instead? Compare the MH-37A4B-1 Comfort Loop Headset for the same single-pin VX radios.
Key Features
Surveillance Style
A low-profile one-wire design that keeps incoming audio discreet — ideal where a clip-on speaker mic would be too obvious.
One-Wire Simplicity
A single, tangle-resistant wire routes cleanly under a collar for a tidy, professional look on shift.
Single-Pin Connector
Plugs directly into VX Series radios fitted with a single-pin audio jack — no adapter needed.
VX Series Ready
Purpose-built for the VX and EVX radio family, so it pairs cleanly with the radios your team already carries.
Compatible Radios
The MH-101A4B One Wire Surveillance Style Headset is designed for VX Series two-way radios that use a single-pin connector. It is compatible with the following series: VX-210A, VX-160, VX-180, VX-230, VX-260, EVX-261, VX-350, VX-410, VX-420, and VX-450.
Looking for a different wear style on the same VX radios? The MH-37A4B-1 Comfort Loop Headset offers an in-line PTT comfort-loop option, while the MH-89A4B Comfort Loop Headset covers EVX-S24 radios. Not sure which connector your radio uses? Contact our Canadian radio experts or call 1-800-984-1534 and we'll confirm the right fit.
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Frequently Asked Questions About the MH-101A4B One Wire Surveillance Style Headset
• Which radios is the MH-101A4B headset compatible with?
The MH-101A4B One Wire Surveillance Style Headset works with VX Series two-way radios that have a single-pin connector, including the VX-210A, VX-160, VX-180, VX-230, VX-260, EVX-261, VX-350, VX-410, VX-420, and VX-450.
• What does "one-wire surveillance style" mean?
It refers to a discreet headset design that uses a single wire to route radio audio quietly to an earpiece. The low-profile look is popular with security, loss-prevention, and hospitality staff who want to communicate without an obvious speaker microphone.
• Will the MH-101A4B fit a radio with a two-pin connector?
No. The MH-101A4B uses a single-pin connector built for the VX Series radios listed above. If your radio uses a different connector, contact our Canadian radio experts at 1-800-984-1534 and we'll point you to the correct accessory.
• Is there a comfort-loop alternative for the same VX radios?
Yes. If you prefer an over-the-ear comfort-loop style with in-line push-to-talk, the MH-37A4B-1 Comfort Loop Headset fits the same single-pin VX Series radios.
