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Eartec UltraLITE 4-Person Full-Duplex Wireless Intercom with 4 Dual-Ear Headsets (1.9 GHz, USA)

BH #EAUL4D • MFR #UL4D
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Eartec UltraLITE 4-Person Full-Duplex Wireless Intercom with 4 Dual-Ear Headsets (1.9 GHz, USA)
Key Features
  • Provides Hands-Free Communication
  • Eliminates Wires and Belt-Worn Radios
  • Reliable DECT 1.9 GHz Technology
  • 4 Rechargeable Batteries
This UltraLITE 4-Person Headset System from Eartec includes one UltraLITE Dual-Ear Master headset, three UltraLITE Dual-Ear Remote headsets, four rechargeable LiPo batteries, a ten-port charger, and a soft-side case. It is designed to accommodate four-person crews who need to communicate wirelessly while simultaneously working with their hands. This configuration is intended for use in the United States.
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Eartec UltraLITE Overview

This UltraLITE 4-Person Headset System from Eartec includes one UltraLITE Dual-Ear Master headset, three UltraLITE Dual-Ear Remote headsets, four rechargeable LiPo batteries, a ten-port charger, and a soft-side case. It is designed to accommodate four-person crews who need to communicate wirelessly while simultaneously working with their hands. This configuration is intended for use in the United States.

The UltraLITE headsets have the transceiver built right inside the ear-cup, eliminating headset wires and belt-worn radios. They provide two-way voice communication and the microphone arm can swivel 270° allowing you to wear the mic on the left or right side. Raising the mic boom into the up position automatically mutes the microphone.

Note:
Please note this product is intended for use in the the United States. It's not intended for use outside of the United States.
At a Glance
  • Full-duplex wireless communication without a base station or beltpack
  • Excellent performance with a range up to 1/4 mile
  • DECT frequency: Digital 1900 MHz band is interference free
  • Included LiPo batteries provide continuous 5-hr operation and are field replaceable
  • Adjustable mic boom rotates 270 degrees, worn on left or right
  • Auto mute: Mute microphone simply by moving the boom to up position
  • Volume control: Simple Up/Down push button adjustment
  • Water resistant: Silicone sealed for use outdoors in inclement conditions
  • Deluxe padding: Headsets fit firmly yet comfortably for an 8 hour work shift
  • Field programmable: Start small and add to your system as needed
  • 10-Port charger included: Individual battery bays, green LED indicates charge

Eartec UltraLITE Specs

Key Specs
Users per System
4
Wireless Technology
Digital DECT (1.9 GHz)
Operating Range
1312.3' / 400 m
Inputs/Outputs
No
Earpiece Design
On-Ear (Supra-Aural)
Number of Earpieces
Dual Earpiece (Left or Right Side)
System
Number of Included Headsets
4x Dual-Sided Headset
Number of Included Transceivers
No
Users per System
4
Wireless Connectivity
Wireless Technology
Digital DECT (1.9 GHz)
DECT Standard
6.0
Operating Range
1312.3' / 400 m
Max Transceivers per Band
5
Duplex Mode
Full-Duplex (FDX)
RF Channel Access Method
Time-Division Multiple Access (TDMA)
Speech Encoding
ADPCM / 32 b/s
Transmission Speed
1.152 Mb/s
Base Station
Inputs/Outputs
No
AC Input Power
110 to 140 VAC, 50 / 60 Hz
Headphone
Earpiece Design
On-Ear (Supra-Aural)
Earpiece Connection / Wearing Style
Headband
Number of Earpieces
Dual Earpiece (Left or Right Side)
Sound Field
Mono
Controls/Microphone Location
Microphone: Adjustable Boom
Controls: Earpiece (Side Unspecified)
Microphone
Mic Boom Location
Interchangeable (Left or Right Side)
Wired Connectivity
Wired Audio Connector
No
Battery
Battery Type
Headset:
1 x Rechargeable Battery
Battery Chemistry
Lithium-Ion Polymer (LiPo)
Capacity (mAh)
800 mAh
Runtime
5 Hours
Recharge Time
3 Hours
Input Power
110 to 140 VAC, 60 Hz
Physical
Environmental Resistance
Water-Resistant (Unrated)
Operating Conditions
32 to 104°F / 0 to 40°C
Storage Conditions
14 to 122°F / -10 to 50°C
Packaging Info
Package Weight
4.675 lb
Box Dimensions (LxWxH)
12.65 x 9.3 x 7.2"

Eartec UltraLITE Reviews

Works great!

By Molly
Rated 5 out of 5
Date: 2026-05-26

Comfortable & easy to pair

Budget Friendly Live Production Must Have!

By Erik
Rated 5 out of 5
Date: 2024-07-09

I read multiple reviews of the Eartec UltraLITE Headsets prior to purchasing. My first impression after unboxing was that these feel more like a toy than a production environment tool. The $22 battery replacement cost also is a bit of a red flag. It's a proprietary battery so third party batteries aren't an option. In the past I've had to rely on hand signals or my production team members actually paying attention to move from live interviews to prerecorded scenes during livestreams. Not anymore. These simply work, despite their amateur appearance. Since they operate on the 1.9 GHz spectrum, I've never experienced dropouts or interference when in use. You can't toss them around like regular headphones. They not as well built as headphones. Keep them in the protective case when not in use and remove the batteries as recommended when not in use. I'm sure other companies make a better built headset, but at a much higher cost. If you treat them with care and follow the recommendations, these should provide you with several years of worry-free operation.

See any errors on this page?

Is it useable in México?

Is it useable in México?
Asked by: Carlos
This frequency should be usable in Mexico.
Answered by: Daniel
Date published: 2020-09-23

Is there a charging station for the batteries?

Is there a charging station for the batteries?
Asked by: Deambra
Yes, the Eartec UL4D UltraLITE 4-Person Headset System (USA) includes the Eartec 8-Port Multi-Charger for charging the batteries used in the UltraLITE headsets.
Answered by: Matt Z
Date published: 2022-01-13

Just to clarify, so I have purchased these ...

Just to clarify, so I have purchased these already, would I be able add more to this system and if so how do I sync them? I would like to have 6-7 working together. Thanks
Asked by: Dave
First, please make sure that your current system has "HD" written on the earset. If this is not the case, then you would need a whole new system. If it does, then in order for you to use 6-7 headsets at one time, you would need to purchase a HUB and an additional 3-4 remote headsets. Please keep in mind that the HUB will be replacing your current Master headset. Here are the sku's B&H # EAHUB, and BH #EAULDR.
Answered by: Daniel
Date published: 2021-03-08

CAN I ADD 1 UNIT TO SPEAK WITH 4 CINEGRAPHISTS?

CAN I ADD 1 UNIT TO SPEAK WITH 4 CINEGRAPHISTS?
Asked by: ARLEN
Unfortunately you cannot add a 5th headset. The only way you can expand the system is to buy the hub and expand the whole system to 6 or 7.
Answered by: John
Date published: 2019-08-02

Is it useable in europe?

Is it useable in europe?
Asked by: Gerald
No, it is not..but there is a European version: https://www.bhphotovideo.com/c/product/1389129-REG/eartec_ul4deu_ultralite_4_person_system.html
Answered by: John
Date published: 2019-12-11

Can I plug these into a mixer and use them for a ...

Can I plug these into a mixer and use them for a podcast?
Asked by: Nick
The Eartec UL4D UltraLITE 4-Person Headset System does not feature any dedicated audio outputs that could be used for recording the audio signal passed between the headsets.
Answered by: Matt Z
Date published: 2022-01-11

Do I need anything additional to these headsets ...

Do I need anything additional to these headsets to get started, or is this totally standalone?
Asked by: Nathan
In future you can add one more headset if you need it but this sets is ready to use and you don’t need anything else.
Answered by: Aliaksei
Date published: 2021-02-25

Can I take an output from my boats Fusion head ...

Can I take an output from my boats Fusion head unit or iphone into the Hub feeding music that we all hear, but could talk over?
Asked by: Rick
The Eartec UltraLITE 4-Person Full-Duplex Wireless Intercom with 4 Dual-Ear Headsets (1.9 GHz, USA) does not have a line input for compatibility with music input. It is used for communication between the headsets only. To be able to send line audio to multiple headphones wirelessly, you would want to use something more like the VocoPro SilentPA (BH #VOSILENTPRCT).
Answered by: David M
Date published: 2024-07-14
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