Power Products ESM-28-HY4

Speaker Microphone with Extra Loud Audio

Works with HARRIS HDP100, HDP150 and HYTERA PD702i, PD705G, PD752i, PD780G, PD782i, PD785G, PD982i, PT580H radios that use multi-pin connector (See a full list of compatible models)

Customer Rating:

/ 1

Item SKU Number: 515910

Original Manufacturer: Hytera / HYT

Manufacturer Part Number: ESM28HY4, ESM 28 HY4, ESM-28-HY4

FCA point / Shipped from: USA

Manufacturer Warranty: 3 years

Download Free Materials:

Endura-Audio-Accessories-brochure.pdf (371.63 KB)

Item Details:

Endura Audio ESM-28 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	IP67
Earpiece Port	3.5 mm
Volume Control	N/A
Speaker Volume	103±3dB
Operating Temperature	-30°C to +70°C -22°F to +158°F
Emergency Button	N/A
Cable Diameter	5.0 mm (most models)

ENDURA@AUDIO

Additional Information:

Connector type:

Assembled Multi-Pin Connector
(Pryme x55, Otto HY, Endura HY4)

Compatible with HYT / HYTERA two-way radios:

PD702
PD702i
PD705
PD705G
PD752
PD752i
PD780
PD780G

PD782
PD782i
PD785
PD785G
PD982
PD982i
PT580H

Compatible with HARRIS two-way radios:

MOMENTUM HDP100, HDP150 series

x55-HY@Connector

Similar or Related Products:

These models may be compatible with your equipment:

SPM-355EB
Pryme

RESPONDER Medium Duty Lapel Microphone with In-line Soft Earhook Style Earphone

SPM-2255T
Pryme

TROOPER II Water-Proof Noise Cancelling Remote Speaker Microphone with Large PTT and Earphone Jack, with Tactical Kit

SPM-4255P
Pryme

TROOPER Waterproof Speaker Microphone, Noise Cancelling, Volume Control, 3.5mm External Jack, with Panic Button

SPM-1255CQD
Pryme

DEFENDER Medium Duty Lapel Microphone with Surveillance Style C-Ring Earphone, with Quick Disconnect Radio Adapter

SNP-2W-55-BF
Pryme

2-Wire Braided Fiber Surveillance Lapel Microphone

SPM-4255QD
Pryme

STORM TROOPER Waterproof Speaker Microphone, Noise Cancelling, Volume Control, 3.5mm External Jack, with Quick Disconnect Radio Adapter

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

Published Date: February 2026

Endura Battery Chargers

Published Date: February 2026

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.