ETMY ET-ER308 3.5mm Acoustic Tube Earpiece with Coiled Cable for Motor - Front View

ETMY ET-ER308 3.5mm Acoustic Tube Earpiece with Coiled Cable for Motorola CP200 GP300 EP450 PR400

$8.99

Headphone connection type3.5mm

Quantity 1 2 5 10 20 50

10 left

Our goal is for every customer to be totally satisfied with their purchase. If this isn't the case, let us know and we'll do our best to work with you to make it right.

We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.

Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.

ETMY ET-ER308 Acoustic Tube Earpiece — Discreet, Clear, and Built for All-Day Wear

Stay connected without missing a beat. The ET-ER308 Single-Listen Acoustic Tube Earpiece delivers crisp, clear audio directly to your ear through a detachable air tube — keeping communication private, hands-free, and professional in any environment.

Designed with a 3.5mm listen-only plug, the ET-ER308 is compatible with Motorola CP200, CP200 XLS, GP300, EP450, and PR400 two-way radios, as well as MP3 players and other 3.5mm audio devices.

Key Features

Detachable Acoustic Air Tube — Hygienic and replaceable; the hollow air tube transmits sound without electronic components near your ear, reducing heat and discomfort during extended wear
Retractable Coiled Spring Cable — Stretches to reach your radio on a belt or shoulder mic, then retracts neatly to prevent tangling — perfect for active professionals
Compact & Portable Storage — Coiled design collapses small for easy pocket or pouch storage when off duty
Listen-Only Design — Ideal for monitoring radio traffic discreetly without a PTT button in the way
Universal 3.5mm Jack — Works with radios, MP3 players, and any device with a standard 3.5mm audio output
Comfortable Eartip — Soft, ergonomic eartip fits securely for all-day wear without fatigue

Compatible with Motorola Models

CP200 / CP200 XLS
GP300
EP450
PR400

Compatible with icom models：

HM-159LA
IC-V86, IC-T10 specker microphone
IC-F3003
MP3 players and other 3.5mm audio devices

Ideal Use Cases

🏗️ Construction & Industrial — Hear radio calls clearly on loud job sites without removing PPE
🍽️ Restaurant & F&B — Silent, unobtrusive communication for floor managers and service staff
⛺ Camping & Outdoor Events — Lightweight monitoring during group activities and expeditions

The ET-ER308 is the go-to listen-only earpiece for professionals who need reliable, comfortable, and discreet radio monitoring — shift after shift.

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Frequently asked questions

Our goal is for every customer to be totally satisfied with their purchase. If this isn't the case, let us know and we'll do our best to work with you to make it right.

We are unable to accept returns on certain items. These will be carefully marked before purchase.

We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.

Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.

Shipping is calculated based on your location and the items in your order. You will always know the shipping price before you purchase.

Intentional design

Everything we do starts with why

Made with care

We believe in building better

A team with a goal

Real people making great products

Intentional design

We create with intention. Our products solve real problems with clean design and honest materials.

Quality first

We obsess over the details and strive to deliver the best products at the best prices, every time.

Customer care

We're always on your side: keeping our loyal customers happy is our top priority and number one goal.

ETMY ET-ER308 3.5mm Acoustic Tube Earpiece with Coiled Cable for Motorola CP200 GP300 EP450 PR400