Eartec - UL4S UltraLITE Full Duplex Wireless Headset Communication for 4 Users - 4 Single Ear Headsets
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Specifications
- Noise Cancelling (Active)NoConnection TypeWirelessWireless ConnectivityDECTTrue WirelessYesMaximum Wireless Range900 feetWater ResistantNo
- Key Specs
- Noise Cancelling (Active): false
- Connection Type: Wireless
- Wireless Connectivity: DECT (The manner in which a device sends data to another device over a short distance without the use of wires or cables.)
- True Wireless: true (These headphones not only lack wires between the device and headphones, they also lack wires between the headphones themselves. (true wireless is really only possible with in-ear headphones))
- Maximum Wireless Range: 900 feet
- Water Resistant: false (Resists some degree of water penetration.)
- Built-In Microphone: true
- Carrying Case: true
- Microphone Features: Flip to mute
- Headphone Fit: Over-the-Ear
- Adjustable Headband: true
- General
- Brand: Eartec
- Model Number: UL4S
- Product Name: UL4S UltraLITE Full Duplex Wireless Headset Communication for 4 Users - 4 Single Ear Headsets
- Audio
- Noise Cancelling (Active): false
- Sound Isolating: false
- Connectivity
- Connection Type: Wireless
- Wireless Connectivity: DECT (The manner in which a device sends data to another device over a short distance without the use of wires or cables.)
- True Wireless: true (These headphones not only lack wires between the device and headphones, they also lack wires between the headphones themselves. (true wireless is really only possible with in-ear headphones))
- Maximum Wireless Range: 900 feet
- Features
- Water Resistant: false (Resists some degree of water penetration.)
- Waterproof: false (Designed or treated to be impervious to water in certain situations. Products are tested under controlled laboratory conditions and then assigned an Ingress Protection (IP) rating to denote the degree of protection from water ingress. The level of protection may decrease over time with natural wear of the product.)
- Built-In Microphone: true
- Carrying Case: true
- Microphone Features: Flip to mute
- Controls: Volume, Mute
- Design
- Headphone Fit: Over-the-Ear
- Style: General use
- Adjustable Headband: true
- Foldable Design: false
- Power
- On/Off Switch: Yes
- Dimensions
- Product Weight: 4 pounds (The out of box weight of the item.)
- Warranty
- Warranty - Parts: 1 Year Manufacturer
- Warranty - Labor: 1 Year Manufacturer
- Other
- UPC: 642892764570
The Eartec UL4S is a professional full duplex intercom for three people that need to communicate and work with their hands. This compact system features four UltraLITE single ear wireless headsets, one “MAIN” that sets the digital sequence, and three “Remote” headsets. UltraLITE utilize Digital Enhanced Cordless Technology (DECT) to provide professional, simultaneous wireless communication within a quarter mile range. The UltraLITE series are a breakthrough because all electronics, including the battery are built right inside the headset earcups, eliminating wires and belt worn radios. The system does not require a base station, and the headsets are field programmable, meaning that the system can be expanded at any time. No FCC License Required.
- Hands-Free Full Duplex: Wireless headsets operate on 1.9 GHz frequency to avoid interference with other devices; allows for simultaneous communication for 4 users. System expandable for up to 5 users.
- Exceptional Performance: Up to 900ft LOS wireless range; up to 6 hours of talk time on a single charge; pivoting microphone allows for the headsets to be worn on either left or right side.
- Great Clarity: Noise-cancelling microphone that automatically mutes when pivoted upwards; high-quality voice communication even in high-noise environments.
- Effortless Setup, Instant Connection: Perfect for video production, stage production, boat operators, drone operators, construction sites, RVs, UTVs and more!
- What's Included: 1 Single-Ear Main Headset, 3 Single-Ear Remote Headsets, 4 Rechargeable batteries, 10-Bay Multi-port Charger and a Softside Carrying Case
Whats Included
- 1 Single-Ear Main Headset, 3 Single-Ear Remote Headsets, 4 Rechargeable batteries, 10-Bay Multi-port Charger and a Softside Carrying Case
Product Manuals
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The Eartec UL4S is a professional full duplex intercom for three people that need to communicate and work with their hands. This compact system features four UltraLITE single ear wireless headsets, one “MAIN” that sets the digital sequence, and three “Remote” headsets. UltraLITE utilize Digital Enhanced Cordless Technology (DECT) to provide professional, simultaneous wireless communication within a quarter mile range. The UltraLITE series are a breakthrough because all electronics, including the battery are built right inside the headset earcups, eliminating wires and belt worn radios. The system does not require a base station, and the headsets are field programmable, meaning that the system can be expanded at any time. No FCC License Required.

The Eartec UL3S is a professional full duplex intercom for three people that need to communicate and work with their hands. This compact system features three UltraLITE single ear wireless headsets, one “MAIN” that sets the digital sequence, and two “Remote” headsets. UltraLITE utilize Digital Enhanced Cordless Technology (DECT) to provide professional, simultaneous wireless communication within a quarter mile range. The UltraLITE series are a breakthrough because all electronics, including the battery are built right inside the headset earcups, eliminating wires and belt worn radios. The system does not require a base station, and the headsets are field programmable, meaning that the system can be expanded at any time. No FCC License Required.

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| Pros for Eartec - UL4S UltraLITE Full Duplex Wireless Headset Communication for 4 Users - 4 Single Ear Headsets | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | Sound Quality, Comfort, Battery Life, Fit, Connectivity | Sound Quality, Battery Life, Comfort, Fit, Connectivity |
| Cons for Eartec - UL4S UltraLITE Full Duplex Wireless Headset Communication for 4 Users - 4 Single Ear Headsets | |||
| There were no cons for this product— | There were no cons for this product— | Design | Volume, Button Functionality |
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