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Power Products ESM-27-BK2

Power Products > Microphones portable

Speaker Microphone with 3.5mm Accessory Port

Works with Relm / BK KNG KNG-P150, KNG-P400, KNG-P500, KNG-P800, KNG2-P150, KNG2-P400, KNG2-P500, KNG2-P800 two-way radios

Customer Rating:

Item SKU Number: 516000

Original Manufacturer: Relm/BK Technologies

Manufacturer Part Number: ESM27BK2, ESM 27 BK2, ESM-27-BK2

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-27 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	IP68
Earpiece Port	3.5 mm
Volume Control	Yes
Speaker Volume	103±3dB
Operating Temperature	-30°C to +70°C -22°F to +158°F
Emergency Button	Yes
Cable Diameter	5.0 mm (most models)

ENDURA@AUDIO

Additional Information:

Connector type:

Multi-Pin Connector (Endura BK2, Otto BB)

Compatible with RELM / Bendix King radios:

KNG-P150
KNG-P400
KNG-P500
KNG-P800

KNG2-P150
KNG2-P400
KNG2-P500
KNG2-P800

BK2-BB@Connector

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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.