Could you use these in a J3 Cub with window and door open? This environment would be comparable to windows all open in a loud car

I don't know why not, there is a volum control so you can turn them up very loud. Shouldn't be a problem. We have used them on the boat with the engines running.

Will these work on my UTV side x side?

Hello Richard, we've had many customers using these headsets on side-by-sides with great results. Thank you for your question!

Can you reverse the sides of the ear pieces? I can't hear in my left ear, so I'd like to switch them so the sound side is on the right.

Yes. The mouthpiece swivels so you can reverse the headset and ear pieces.

with the ul3s set, can each head set (3 total) communicate and hear each other in real time?

That is correct. Any user will be able to hear and communicate with the other two. Thank you for your question!

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Eartec UL2S Ultralite HD Wireless Intercom Headset System, 2-Person Full Duplex, Single Ear, DECT Interference-Free, Up to 1000ft Range, Team Communication for Crews

Product ID: 367777717

Details

Brand
Solid Signal
Color
Single
Frequency Range
1.9 GHz
Number of Batteries
2 Lithium
Number of Channels
2
Special Feature
Microphone

📡1000ft wireless range

🔇Noise-cancelling pivot mic

🎙️Full-duplex hands-free talk

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MX$22454

Duties & taxes included

In stock

Sold byAmazon MexicoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎧 Stay connected, hands-free, and interference-free—because your team deserves the best.

ULTRA LONG 1000 FT RANGE - Keep your team connected across large venues or outdoor sites without signal dropouts.
ERGONOMIC SINGLE EAR DESIGN - Stay aware of your surroundings while communicating, with a pivoting mic that auto-mutes when flipped up.
INTERFERENCE FREE DECT 6 0 TECH - Operate on a secure 1.9 GHz band, avoiding Wi-Fi and Bluetooth clutter for crystal-clear audio.
READY OUT OF THE BOX EXPANDABLE - Instant pairing, no base station needed, plus up to 6 hours talk time and support for up to 5 users.
SEAMLESS FULL DUPLEX COMMUNICATION - Talk and listen simultaneously with zero button presses—stay in sync effortlessly.

The Eartec UL2S Ultralite HD Wireless Intercom is a professional-grade, two-person full-duplex headset system designed for seamless, hands-free communication. Operating on a secure DECT 6.0 1.9 GHz frequency, it delivers interference-free audio with up to 1000 feet of wireless range. Featuring a single-ear, pivoting noise-cancelling microphone and up to 6 hours of battery life, it’s ideal for high-noise environments across industries like event production, broadcasting, and construction. Ready to use out of the box with expandable multi-user capability, it ensures your team stays connected and productive.

Specifications

ASIN	B09DTDN214
Additional Features	Microphone Included, Noise Cancellation
Battery Average Life	6 Hours
Best Sellers Rank	#25 in Telephone Headsets
Brand	Solid Signal
Built-In Media	ULSM Single-Ear Main Headset, ULSR Single-Ear Remote Headset, 2 Rechargeable Lithium Batteries, Dual Bay Multi-port Charger, Softside Case, Solid Signal Cleaning Wipes
Color	Single
Compatible Devices	Wireless audio sources with RF receivers (e.g., certain smartphones, tablets, computers, and audio players)
Connectivity Protocol	DECT
Customer Reviews	4.5 4.5 out of 5 stars (388)
Frequency Range	1.9 GHz
Manufacturer	Eartec
Mfr Part Number	UL2S
Model Number	UL2S
Number of Batteries	2 Lithium Polymer batteries required. (included)
Number of Channels	2
Talking Range Maximum	1000 Feet
UPC	718356224093
Unit Count	2 Count
Water Resistance Level	Not Water Resistant

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