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Power Products ESM-20-VX4

Heavy Duty Speaker Microphone with 3.5mm Accessory Jack
Works with VERTEX STANDARD / MOTOROLA / YAESU EVX-261, EVX-531, EVX-534, EVX-539, VX-231, VX-261, VX-264, VX-351, VX-354, VX-410, VX-420, VX-454, VX-451, VX-459 radios that use 1-pin connector (See a full list of compatible models)
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Item SKU Number:  515902
Original Manufacturer: Vertex (also Yaesu)
Manufacturer Part Number:  ESM20VX4, ESM 20 VX4, ESM-20-VX4
FCA point / Shipped from:  USA 
 Download Free Materials:
  
Adobe Acrobat Reader Endura-Audio-Accessories-brochure.pdf (371.63 KB)
 Item Details:


Endura Audio ESM-20 Microphone

Endura speaker mics are quality products that incorporate Kelvar reinforced cables, heavy duty strain reliefs, and durable rotating clips. Models are available for popular two-way radios and include key features as summarized below.

Features:

IP Rating IP54
Earpiece Port 3.5 mm
Volume Control N/A
Speaker Volume 93±3dB
Operating Temperature -30°C to +70°C
-22°F to +158°F
Emergency Button N/A
Cable Diameter 4.5 mm

ENDURA@AUDIO
 Additional Information:


Connector type:

3.5mm 1-pin and 2 Retaining Screws
(Pryme x22s, Ameradio Commo Y3, Endura VX4)

3.5mm 1-pin and 1 Locking Screw (Otto VD)

Compatible with MOTOROLA / VERTEX STANDARD / YAESU radios:

EVX-261
EVX-531
EVX-534
EVX-537
EVX-539
FT-250
FT-40R
FT-50R
FT-60R
VX-10
VX-110
VX-130
VX-131
VX-150
VX-160
VX-180
VX-1R
VX-210
VX-210A
VX-230
VX-231
VX-261
VX-264
VX-2E
VX-2R
VX-300
VX-320
VX-321
VX-350
VX-351
VX-354
VX-400
VX-410
VX-414
VX-417
VX-420
VX-420A
VX-424
VX-427
VX-450
VX-451
VX-454
VX-459

VD@Connector


 Similar or Related Products:

 These models may be compatible with your equipment:

E1-2W2VD131
E1-2W2VD131
Otto Engineering


Otto LOC Two Wire Surveillance Kit with Ergonomic PTT
LMC-1GH22s
LMC-1GH22s
Pryme


Pro-Grade Lapel Microphone and G-Hook
E1-1W2VD131
E1-1W2VD131
Otto Engineering


Otto LOC One Wire Surveillance Kit with In-Line Ergonomic PTT
V4-10406
V4-10406
Otto Engineering


ClearTRAK Professional Behind-the-Head and Dual Speaker Headset, Extreme Noise-Canceling Microphone with Earcup PTT
SPM-1322sQD
SPM-1322sQD
Pryme


MIRAGE Medium Duty Lapel Microphone with Surveillance Style Acoustic Tube Earphone, with Quick Disconnect Radio Adapter
BT-522s-VELCRO-V2
BT-522s-VELCRO-V2
Pryme


Wireless Bluetooth Adapter, with PTT Button and VELCRO Strap
 Manufacturer's Catalogs and Guides:

These files contain information about the available products from the manufacturer. If you need something that is not on our website, please contact us. We will help you purchase the desired product at a low price.

Power Products Batteries Catalog
Power Products Batteries

Published Date: February 2026
Endura Battery Chargers Catalog
Endura Battery Chargers

Published Date: February 2026
Endura Audio Accessories Catalog
Endura Audio Accessories

Published Date: February 2026


Power Products has a significant customer base located throughout the U.S. and markets products under the Power Products, Endura, and Logic Energy brands.

Find two-way radio batteries, chargers and audio accessories for most major brands and models. All products are made from top grade materials and manufactured with rigorous quality control standards to ensure exceptional reliability.





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