---
product_id: 171131715
title: "EartecUL4D UltraLITE Full Duplex Wireless Intercom 2 Way Communication System for 4 Users - 1 ULDM Dual-Ear Master Headset and 3-Pack of ULDR Dual Ear Remote Headsets"
brand: "eartec"
price: "€ 4247.96"
currency: EUR
in_stock: true
url: https://www.desertcart.es/products/171131715-eartecul4d-ultralite-full-duplex-wireless-intercom-2-way-communication-system
store_origin: ES
region: Spain
---

# Dual-ear headsets with 270° swivel mic boom Full duplex wireless comms for 4 users Long-lasting lithium-ion battery power EartecUL4D UltraLITE Full Duplex Wireless Intercom 2 Way Communication System for 4 Users - 1 ULDM Dual-Ear Master Headset and 3-Pack of ULDR Dual Ear Remote Headsets

**Brand:** eartec
**Price:** € 4247.96
**Availability:** ✅ In Stock

## Summary

> 🎤 Stay connected, stay ahead — wireless communication redefined.

## Quick Answers

- **What is this?** EartecUL4D UltraLITE Full Duplex Wireless Intercom 2 Way Communication System for 4 Users - 1 ULDM Dual-Ear Master Headset and 3-Pack of ULDR Dual Ear Remote Headsets by eartec
- **How much does it cost?** € 4247.96 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/171131715-eartecul4d-ultralite-full-duplex-wireless-intercom-2-way-communication-system)

## Best For

- eartec enthusiasts

## Why This Product

- Trusted eartec brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Intuitive Touch Controls:** Effortlessly manage calls and settings with user-friendly button and touch controls designed for on-the-go professionals.
- • **Ergonomic Dual-Ear Design:** Experience crystal-clear audio with comfortable dual-ear headsets featuring a 270° swivel mic boom adaptable for left or right ear wear.
- • **Water-Resistant Durability:** Built to withstand demanding environments, ensuring uninterrupted communication rain or shine.
- • **All-in-One Wireless Freedom:** Ditch the wires and belt packs—this self-contained system offers complete mobility and professional-grade reliability.
- • **Seamless 4-User Communication:** Connect and collaborate effortlessly with full duplex wireless intercom technology supporting up to 4 simultaneous users.

## Overview

The EARTEC UL4D UltraLITE is a professional-grade, full duplex wireless intercom system designed for seamless 2-way communication among 4 users. Featuring lightweight, water-resistant dual-ear headsets with 270° swivel microphones, it offers all-in-one wireless freedom powered by long-lasting lithium-ion batteries. Ideal for dynamic team environments, this system ensures crystal-clear, hands-free communication without the hassle of cables or belt packs.

## Description

EartecUL4D UltraLITE Full Duplex Wireless Intercom 2 Way Communication System for 4 Users - 1 ULDM Dual-Ear Master Headset and 3-Pack of ULDR Dual Ear Remote Headsets

## Features

- Consumer Alert: Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device.
- Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change. For more information, call the FCC at 1-888- CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCC's wireless microphone website at fcc.gov/cgb/wirelessmicrophones.
- Comes with four UltraLITE Double Headsets
- Self-contained "all-in-one" design: eliminates wires or belt-worn radios
- Wear on left or right ear: mic boom swivels 270 degrees.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Plastic |
| Specific uses for product | Professional Communication |
| Recommended uses for product | Calling |
| Compatible devices | Wireless Communication Devices Operating on 1.9 GHz Frequency |
| Control type | Button Control |
| Cable feature | Without Cable |
| Item weight | 4.45 Pounds |
| Water resistance level | Water Resistant |
| Unit count | 4.0 Count |
| Style | Professional / Practical / Industrial |
| Control method | Touch |
| Number of items | 4 |
| Product Dimensions | 40.64 x 22.86 x 27.94 cm; 2.02 kg |
| Item model number | UL4D |
| Connector | wireless |
| Material Type | Plastic |
| Size | 4 Doubles |
| Battery Type | Lithium Ion |
| Item Weight | 2.02 kg |

## Product Details

- **Brand:** Eartec
- **Colour:** Multi
- **Ear placement:** Over Ear
- **Form factor:** Over Ear
- **Noise control:** Passive Sound Isolation
- **Model name:** UltraLITE
- **Connectivity technology:** Wireless
- **Wireless communication technology:** Full Duplex
- **Included components:** Headsets, Batteries, Charging Station, Protective Case
- **Age range (description):** Adult

## Images

![EartecUL4D UltraLITE Full Duplex Wireless Intercom 2 Way Communication System for 4 Users - 1 ULDM Dual-Ear Master Headset and 3-Pack of ULDR Dual Ear Remote Headsets - Image 1](https://m.media-amazon.com/images/I/614cgKYFaHL.jpg)
![EartecUL4D UltraLITE Full Duplex Wireless Intercom 2 Way Communication System for 4 Users - 1 ULDM Dual-Ear Master Headset and 3-Pack of ULDR Dual Ear Remote Headsets - Image 2](https://m.media-amazon.com/images/I/71wlMuwYsXL.jpg)
![EartecUL4D UltraLITE Full Duplex Wireless Intercom 2 Way Communication System for 4 Users - 1 ULDM Dual-Ear Master Headset and 3-Pack of ULDR Dual Ear Remote Headsets - Image 3](https://m.media-amazon.com/images/I/61jHg5t14aL.jpg)
![EartecUL4D UltraLITE Full Duplex Wireless Intercom 2 Way Communication System for 4 Users - 1 ULDM Dual-Ear Master Headset and 3-Pack of ULDR Dual Ear Remote Headsets - Image 4](https://m.media-amazon.com/images/I/61HTbSRDYvL.jpg)
![EartecUL4D UltraLITE Full Duplex Wireless Intercom 2 Way Communication System for 4 Users - 1 ULDM Dual-Ear Master Headset and 3-Pack of ULDR Dual Ear Remote Headsets - Image 5](https://m.media-amazon.com/images/I/71Vnfj6El9L.jpg)

## Frequently Bought Together

- Eartec UL4D Ultralite-HD 4-Person Full Duplex Wireless Intercom Headset Communication System, Dual Ear Headsets, Up to 1000ft Range, U.S. Company
- Eartec 3.7V Rechargeable Lithium Ion Battery for Ultralite headsets and HUB Stations (LX600LI)
- Eartec ULSR Ultralite HD Single Ear Add-On or Replacement Remote Headset, HD Version Only, Full Duplex Wireless Communication, Includes Rechargeable Battery and SolidSignal Cleaning Wipes

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-02-20*