Medium Custom Earpiece – Left Ear for Surveillance Kits

The Motorola Medium Custom Earpiece for Left Ear (RLN4764A) is a genuine Motorola Solutions replacement audio accessory designed for use with compatible Motorola surveillance kits and acoustic-tube earpiece systems. Specifically shaped for the left ear in a medium size, the RLN4764A provides a comfortable, secure alternative to conventional rubber eartips for professionals who rely on discreet radio communications throughout the workday.

The custom-molded style is designed to follow the contours of the outer ear, helping keep the connected acoustic tube securely positioned while providing a comfortable fit during extended wear. Unlike traditional eartips that sit directly within or seal the ear canal, this style of custom earpiece allows users to receive radio communications while maintaining greater awareness of surrounding sounds.

RLN4764A is specifically the Medium, Left Ear configuration, making both size and orientation important when selecting the correct replacement earpiece. Motorola offers related custom earpieces in multiple sizes and left- or right-ear versions, allowing individual users and organizations to select the configuration that best matches their requirements.

When installed on a compatible Motorola surveillance-kit acoustic tube, the RLN4764A allows incoming radio communications to be delivered discreetly to the user's ear. This keeps radio traffic from being openly broadcast and provides the low-profile appearance preferred by security personnel, hospitality employees, event teams, loss-prevention staff, and other customer-facing professionals.

The open-ear design also helps users maintain situational awareness while monitoring radio communications. Nearby conversations, announcements, and environmental sounds can remain audible, making the earpiece useful in workplaces where employees need to stay connected to both their radio system and the activity occurring around them.

Whether replacing a worn earpiece, improving the comfort of an existing surveillance kit, or maintaining spare components for a professional radio fleet, the Motorola RLN4764A provides an OEM medium left-ear solution designed for comfortable and discreet professional communications.

Key Features

• Genuine Motorola Solutions Audio Accessory

• Motorola Part Number: RLN4764A

• Custom Surveillance Earpiece

• Size: Medium

• Orientation: Left Ear

• Designed for compatible Motorola surveillance kits

• Compatible with supported acoustic-tube earpiece systems

• Contoured design follows the shape of the outer ear

• Comfortable alternative to conventional rubber eartips

• Designed for secure positioning during everyday use

• Suitable for extended professional wear

• Helps provide discreet received radio communications

• Open-ear design helps maintain situational awareness

• Low-profile professional appearance

• Useful as a replacement or spare earpiece

• OEM Motorola replacement component

• Earpiece only – acoustic tube and surveillance kit sold separately

Size & Orientation

RLN4764A is specifically configured as:

• Size: Medium

• Ear: Left

Choosing the appropriate size and orientation helps provide:

• Improved comfort

• Secure positioning

• Better fit

• Consistent acoustic-tube placement

• Improved comfort during long shifts

Customers should verify both the required size and left/right orientation before ordering.

Designed for Surveillance Kits

The RLN4764A is designed to attach to compatible Motorola surveillance-kit acoustic tube systems.

It replaces the standard ear-contact component and can provide a more comfortable option for professionals who regularly wear acoustic-tube accessories for extended periods.

This product is the Medium Left custom earpiece only. The acoustic tube, surveillance kit, microphone, Push-to-Talk assembly, and two-way radio are not included.

Ideal Applications

The Motorola RLN4764A Medium Left-Ear Custom Earpiece is ideal for:

• Security Teams

• Executive & Corporate Security

• Retail & Loss Prevention

• Hospitality & Hotels

• Event & Venue Staff

• Property Management

• Schools & Universities

• Healthcare Facilities

• Transportation Operations

• Casinos

• Government Facilities

• Public Safety Support Personnel

• Professional Surveillance Communications

• Users Wearing Acoustic-Tube Earpieces for Extended Shifts

Why Buy from Delmarva Communications?

Delmarva Communications provides genuine Motorola Solutions two-way radios, accessories, replacement parts, and complete communication solutions backed by expert support. Our experienced team can assist with radio programming, system design, FCC licensing guidance, fleet management, repair, and ongoing technical support to help your organization maximize the performance and reliability of your communication system.