MH-100 3.5 mm Earpiece for Remote Speaker Mic Audio Jack
Receive-Only Earpiece • Discreet Audio • 3.5 mm RSM Jack • For Vertex Standard Radios
The MH-100 3.5 mm Earpiece plugs into the audio jack on your Vertex Standard remote speaker microphone (RSM) for more discreet communication. This receive-only earpiece directs incoming audio straight to your ear instead of broadcasting it from the speaker mic — ideal for monitoring traffic, working in high-noise environments, or keeping conversations private. Explore more business two-way radios and accessories to round out your fleet.
Compatible Radios
The MH-100 earpiece works with the standard remote speaker microphone for the Vertex Standard EVX-261, VX-260 Series, and VX-450 Series radios via the RSM’s 3.5 mm audio jack. Not sure if it fits your setup? Call 1-800-984-1534 or contact our radio experts and we’ll confirm compatibility.
Key Features
Discreet Communication
Routes audio to your ear instead of the speaker so incoming calls stay private.
Built for High Noise
Hear transmissions clearly in loud environments where a speaker mic gets drowned out.
Simple 3.5 mm Connection
Plugs into the standard 3.5 mm audio jack on your remote speaker microphone — no adapters needed.
Frequently Asked Questions About the MH-100 3.5 mm Earpiece for Remote Speaker Mic Audio Jack
• Which radios is the MH-100 earpiece compatible with?
The MH-100 connects to the standard remote speaker microphone used with the Vertex Standard EVX-261, VX-260 Series, and VX-450 Series radios through the RSM’s 3.5 mm audio jack. Contact us if you’re unsure about your model.
• Can I talk through the MH-100 earpiece?
No. The MH-100 is a receive-only earpiece — it delivers incoming audio to your ear, while you still transmit using the push-to-talk on your remote speaker microphone.
• 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.