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ECO CM 320
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ECO CM 320

Dual-Pin C-Shape Earpiece for Professional Radios

Comfort, clarity, and hygiene — all in one.

Recommended price

$199.00

Reliable Comfort. Built to Perform.

The ECO CM 320 is a high-performance C-Shape earpiece designed for professional users who need all-day comfort and crystal-clear communication. Whether you work in events, logistics, or field operations, this hygienic and non-intrusive design offers maximum comfort without sacrificing performance. Featuring a dynamic microphone with a push-to-talk (PTT) button and a dual-pin connector (2.5mm and 3.5mm), it ensures seamless integration with a variety of two-way radios from ECO, DISCOVERY, and KENWOOD. Its clip-on cable management and ambidextrous fit make it a smart choice for any task.
Dual-Pin Compatibility
Supports 2.5mm and 3.5mm connectors for wider radio support.
Ergonomic C-Shape Fit
Sits comfortably around either ear with no pressure in the canal.
Built-in Microphone & PTT
Features an inline mic with a push-to-talk button.
Secure Shirt Clip
Keeps the cable in place for easy movement.
Hygienic and Comfortable
Non-intrusive design suitable for prolonged and shared use.

Security & Patrol Teams

Maintain communication without in-ear discomfort.

Event Coordination

Operate with confidence in busy venues.

Retail Operations

Coordinate silently and professionally.

Logistics Staff

Manage warehouse tasks while staying connected.

Field Technicians

Rugged reliability in real-world conditions.

Service Teams

Clear audio without interfering with the customer experience.

Designed for durability and everyday use, the ECO CM 320 provides exceptional voice clarity and wearing comfort. Its flexible C-shape rests gently on the ear and can be easily rotated for left or right use. The dual-pin setup ensures compatibility with a broad range of radio systems, especially from brands like ECO, DISCOVERY, and KENWOOD. The dynamic microphone captures voice clearly even in active environments, and the integrated PTT button offers fast, reliable control. Whether in crowd management or routine patrol, this earpiece is made to deliver.

Specifications

Connection Dual-pin (2.5mm + 3.5mm)
Microphone Dynamic
Speaker Impedance 8 Ohm
Speaker Sensitivity 93dB ±3
Max Power 1.5W
Microphone Sensitivity -40dB ±3
Operating Voltage (Mic) 2.5–10V
1. ECO CM 320 Earpiece with Shirt Clip
ECO (WPF-6, WPF-8, WPF-10), DISCOVERY (PX3, PX4, PX7, DS PRO, DS PRO MAX), and KENWOOD radios with dual-pin ports.
Can the earpiece be worn on both ears?
Does it include a mic and push-to-talk?
Yes, its non-intrusive C-shape ensures comfort and hygiene during long shifts.
Yes, it is designed for operational reliability in diverse environments.

FAQ

ECO (WPF-6, WPF-8, WPF-10), DISCOVERY (PX3, PX4, PX7, DS PRO, DS PRO MAX), and KENWOOD radios with dual-pin ports.
Can the earpiece be worn on both ears?
Does it include a mic and push-to-talk?
Yes, its non-intrusive C-shape ensures comfort and hygiene during long shifts.
Yes, it is designed for operational reliability in diverse environments.

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