--- product_id: 363402571 title: "Eartec UL4S Ultralite HD Wireless Intercom Headset System, 4-Person Full Duplex, Single Ear, DECT Interference-Free, Up to 1000ft Range, Team Communication for Crews" brand: "solid signal" price: "498847 Ft" currency: HUF in_stock: true category: "Solid Signal" url: https://www.desertcart.hu/products/363402571-eartec-ul4s-ultralite-hd-wireless-intercom-headset-system-4-person store_origin: HU region: Hungary --- # 1000ft wireless range Noise-cancelling pivot mic Full-duplex hands-free comms Eartec UL4S Ultralite HD Wireless Intercom Headset System, 4-Person Full Duplex, Single Ear, DECT Interference-Free, Up to 1000ft Range, Team Communication for Crews **Brand:** solid signal **Price:** 498847 Ft **Availability:** ✅ In Stock ## Summary > 🎧 Stay connected, hands-free, and ahead of the game. ## Quick Answers - **What is this?** Eartec UL4S Ultralite HD Wireless Intercom Headset System, 4-Person Full Duplex, Single Ear, DECT Interference-Free, Up to 1000ft Range, Team Communication for Crews by solid signal - **How much does it cost?** 498847 Ft with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/363402571-eartec-ul4s-ultralite-hd-wireless-intercom-headset-system-4-person) ## Best For - solid signal enthusiasts ## Why This Product - Trusted solid signal brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Wear It Your Way:** Single-ear headset with a pivoting mic that auto-mutes when flipped up—comfort meets control. - • **Plug & Play Power:** Ready out of the box with zero setup, rechargeable batteries deliver up to 6 hours of talk time. - • **Seamless Team Sync:** Full-duplex audio lets 4 users talk and listen simultaneously—no button pressing, no delays. - • **Built for the Hustle:** Engineered for high-noise, fast-paced environments—perfect for production crews, coaches, and field teams. - • **Interference-Free Clarity:** DECT 6.0 on 1.9 GHz ensures crystal-clear communication, avoiding Wi-Fi and Bluetooth noise. ## Overview The Eartec UL4S Ultralite HD Wireless Intercom is a professional-grade, 4-person full-duplex headset system designed for seamless, interference-free team communication up to 1000 feet. Featuring a single-ear design with a noise-cancelling pivot microphone, it offers up to 6 hours of rechargeable talk time and requires zero setup, making it ideal for dynamic, high-noise work environments like live events, production sets, and outdoor operations. ## Description desertcart.com: Eartec UL4S Ultralite HD Wireless Intercom Headset System, 4-Person Full Duplex, Single Ear, DECT Interference-Free, Up to 1000ft Range, Team Communication for Crews : Electronics ## Features - TWO-WAY CONVERSATION, HANDS-FREE — The Eartec UL4S is a wireless intercom system for 4-person teams that need to talk and listen simultaneously. Full-duplex audio means no buttons to press — all 4 users hear each other in real time. - DECT 6.0 ON 1.9 GHz, NO INTERFERENCE — Secure, license-free wireless on the DECT band stays clear of Wi-Fi, Bluetooth, and two-way radio traffic. Up to 1,000 ft line-of-sight wireless range with no base station and no FCC license required. - SINGLE-EAR HEADSET WITH PIVOTING MIC — Wear it on whichever side feels right; the noise-cancelling microphone pivots to either ear and auto-mutes when pivoted up. Single-ear design keeps you connected to your team and your surroundings at once. - READY TO USE OUT OF THE BOX — Pairs in seconds with zero programming and no base station setup. Electronics and rechargeable lithium battery live inside the earcup. Up to 6 hours talk time per charge. Field-programmable, expandable up to 5 users. - PROFESSIONAL USE CASE BREADTH — At work on video and stage productions, broadcast and live event crews, coaching staff communication, boat and marine operations, drone teams, construction sites, RV crews, and event production teams. - CLEAR VOICE IN HIGH-NOISE ENVIRONMENTS — The noise-cancelling microphone keeps voice quality clean on busy sets, near machinery, on the water, or in crowds. Comfortable construction holds up across long shifts without weighing the operator down. - INCLUDES SOLID SIGNAL CLEANING WIPES — Kit ships with cleaning wipes for headset earcups, headband, and microphone. Wipes down field gear without leaving lint or residue. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09DQVPR16 | | Additional Features | Microphone Included, Noise Reduction | | Battery Average Life | 6 hours | | Best Sellers Rank | #62 in Telephone Headsets | | Brand | Solid Signal | | Color | Single | | Compatible Devices | Devices with 1.9 GHz Wireless Capability | | Connectivity Protocol | DECT | | Customer Reviews | 4.5 4.5 out of 5 stars (398) | | Item Weight | 5 pounds | | Manufacturer | Eartec | | Mfr Part Number | UL4S | | Model Number | UL4S-BUNDLE | | Number of Batteries | 4 Nonstandard Battery batteries required. (included) | | Number of Channels | 4 | | Number of Packs | 4 | | Talking Range Maximum | 1000 feet | | UPC | 718356224109 | | Unit Count | 4 Count | | Water Resistance Level | Not Water Resistant | ## Product Details - **Battery Life:** 6 hours - **Brand:** Solid Signal - **Color:** Single - **Compatible Devices:** Devices with 1.9 GHz Wireless Capability - **Item Weight:** 5 pounds - **Number of Batteries:** 4 Nonstandard Battery batteries required. (included) - **Number of Channels:** 4 - **Special Feature:** Microphone Included, Noise Reduction - **Talking Range Maximum:** 1000 feet - **Water Resistance Level:** Not Water Resistant ## Images ![Eartec UL4S Ultralite HD Wireless Intercom Headset System, 4-Person Full Duplex, Single Ear, DECT Interference-Free, Up to 1000ft Range, Team Communication for Crews - Image 1](https://m.media-amazon.com/images/I/71KPT4f0aDL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: 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** A: 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. **Q: Will these work on my UTV side x side?** A: Hello Richard, we've had many customers using these headsets on side-by-sides with great results. Thank you for your question! **Q: 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.** A: Yes. The mouthpiece swivels so you can reverse the headset and ear pieces. **Q: with the ul3s set, can each head set (3 total) communicate and hear each other in real time?** A: That is correct. Any user will be able to hear and communicate with the other two. Thank you for your question! ## Frequently Bought Together - Eartec UL4S Ultralite Full Duplex Wireless Headset Communication for 4 Users - 4 Single Ear Headsets with SolidSignal Cleaning Wipes Bundle - Eartec 3.7V Rechargeable Lithium Ion Battery for Ultralite headsets and HUB Stations (LX600LI) - Eartec 5 Pack 3.7V Rechargeable Lithium Ion Battery for HUB Ultralite Headset --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hu/products/363402571-eartec-ul4s-ultralite-hd-wireless-intercom-headset-system-4-person](https://www.desertcart.hu/products/363402571-eartec-ul4s-ultralite-hd-wireless-intercom-headset-system-4-person) --- *Product available on Desertcart Hungary* *Store origin: HU* *Last updated: 2026-10-15*