--- product_id: 41116389 title: "Eartec UL422 Ultralite-HD 4-Person Full Duplex Wireless Intercom Headset Communication System, Single and Dual Ear Headsets, Up to 1000ft Range, U.S. Company" brand: "eartec" price: "COP 5336791" currency: COP in_stock: true category: "Eartec" url: https://www.desertcart.co/products/41116389-eartec-ul422-ultralite-hd-4-person-full-duplex-wireless-intercom store_origin: CO region: Colombia --- # 1000ft wireless range 6 hours talk time Noise-cancelling mic Eartec UL422 Ultralite-HD 4-Person Full Duplex Wireless Intercom Headset Communication System, Single and Dual Ear Headsets, Up to 1000ft Range, U.S. Company **Brand:** eartec **Price:** COP 5336791 **Availability:** ✅ In Stock ## Summary > 🎧 Stay connected, stay ahead—wireless communication redefined. ## Quick Answers - **What is this?** Eartec UL422 Ultralite-HD 4-Person Full Duplex Wireless Intercom Headset Communication System, Single and Dual Ear Headsets, Up to 1000ft Range, U.S. Company by eartec - **How much does it cost?** COP 5336791 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/41116389-eartec-ul422-ultralite-hd-4-person-full-duplex-wireless-intercom) ## 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 - • **Ultra-Long 1000ft Range:** Stay connected across large venues or outdoor sites with crystal-clear audio up to 1000 feet line-of-sight. - • **Seamless 4-Person Full Duplex:** Communicate simultaneously without interruptions—expandable up to 5 users for ultimate team synergy. - • **Versatile & Comfortable Design:** Single and dual-ear options with pivoting mics let you customize comfort and communication style on the fly. - • **Adaptive Noise-Cancelling Microphone:** Experience pristine voice clarity even in the noisiest environments, with automatic mute when mic is flipped up. - • **All-Day Power with Rechargeable Batteries:** Up to 6 hours of continuous talk time keeps your crew powered through the longest shifts. ## Overview The Eartec UL422 Ultralite-HD is a professional-grade wireless intercom system designed for teams of up to 4 users (expandable to 5), offering full duplex communication on a 1.9 GHz frequency with up to 1000 feet range. Featuring noise-cancelling microphones, 6-hour rechargeable battery life, and both single and dual-ear headset options, it delivers reliable, hands-free communication ideal for video production, stage work, construction, and more—all backed by a U.S. company. ## Description Buy Eartec UL422 Ultralite-HD 4-Person Full Duplex Wireless Intercom Headset Communication System, Single and Dual Ear Headsets, Up to 1000ft Range, U.S. Company: Headsets - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - INCLUDES: 1 ULSM Single-Ear Main Headset, 1 Dual-Ear Remote Headset, 2 ULDR Dual-Ear Remote Headsets, 4 Rechargeable Lithium Batteries, 10 Bay Multi-port Charger and a Softside Carrying Case. - 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 1,000 ft 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. - PERFECT FOR: video production, stage production, boat operators, drone operators, construction sites, RVs, UTVs and more! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01LOKTXTS | | Additional Features | Full Duplex, Noise Cancellation, Rechargeable, Wireless | | Age Range Description | Adult | | Antenna Location | Video production, Stage production, Boat operation, Drone operation, Construction sites | | Audio Driver Type | Dynamic Driver | | Battery Average Life | 6 hours | | Best Sellers Rank | #419 in Telephone Headsets | | Brand Name | EARTEC | | Built-In Media | Headband, Ear Cushions | | Cable Features | Retractable, Without Cable | | Carrying Case Color | Black | | Carrying Case Material | soft material | | Color | Gray | | Compatible Devices | Devices operating on 1.9 GHz frequency, supporting full duplex wireless communication | | Connectivity Technology | Wireless | | Control Method | Remote | | Control Type | Button Control | | Controller Type | Button | | Customer Package Type | Standard shipping box or mailer | | Customer Reviews | 4.6 4.6 out of 5 stars (99) | | Earpiece Shape | Over Ear | | Enclosure Material | Plastic | | Frequency Range | Typically, RF wireless communication devices operate within the UHF (Ultra High Frequency) band of 400-512 MHz or the ISM (Industrial, Scientific, and Medical) band of 2.4 GHz or 5.8 GHz. It is likely that the Eartec UL422 UltraLITE operates within one of these frequency ranges. | | Headphone Folding Features | Over Ear | | Headphone Jack | No Jack | | Headphones Ear Placement | Over Ear | | Item Weight | 1.5 pounds | | Manufacturer | EARTEC | | Model Name | UL422 UltraLITE-HD | | Model Number | UL422 | | Noise Control | Active Noise Cancellation | | Number of Items | 1 | | Specific Uses For Product | Video production, Stage production, Boat operation, Drone operation, Construction sites | | Style Name | Professional Over-Ear | | Theme | Wireless Communication | | UPC | 642892764600 | | Unit Count | 4 Count | | Water Resistance Level | Water Resistant | | Wireless Technology | DECT | ## Product Details - **Brand:** EARTEC - **Color:** Gray - **Ear Placement:** Over Ear - **Form Factor:** Over Ear - **Noise Control:** Active Noise Cancellation ## Images ![Eartec UL422 Ultralite-HD 4-Person Full Duplex Wireless Intercom Headset Communication System, Single and Dual Ear Headsets, Up to 1000ft Range, U.S. Company - Image 1](https://m.media-amazon.com/images/I/61H3Tl5-agL.jpg) ![Eartec UL422 Ultralite-HD 4-Person Full Duplex Wireless Intercom Headset Communication System, Single and Dual Ear Headsets, Up to 1000ft Range, U.S. Company - Image 2](https://m.media-amazon.com/images/I/61T-ZvgAxHL.jpg) ![Eartec UL422 Ultralite-HD 4-Person Full Duplex Wireless Intercom Headset Communication System, Single and Dual Ear Headsets, Up to 1000ft Range, U.S. Company - Image 3](https://m.media-amazon.com/images/I/61jHg5t14aL.jpg) ![Eartec UL422 Ultralite-HD 4-Person Full Duplex Wireless Intercom Headset Communication System, Single and Dual Ear Headsets, Up to 1000ft Range, U.S. Company - Image 4](https://m.media-amazon.com/images/I/61HTbSRDYvL.jpg) ![Eartec UL422 Ultralite-HD 4-Person Full Duplex Wireless Intercom Headset Communication System, Single and Dual Ear Headsets, Up to 1000ft Range, U.S. Company - Image 5](https://m.media-amazon.com/images/I/71Vnfj6El9L.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Eartec UL422 Ultralite-HD 4-Person Full Duplex Wireless Intercom Headset Communication System, Single and 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 Multi-Port Charging Base with Adapter for 8x LX600LI Rechargeable Li-ion Batteries --- ## 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.co/products/41116389-eartec-ul422-ultralite-hd-4-person-full-duplex-wireless-intercom](https://www.desertcart.co/products/41116389-eartec-ul422-ultralite-hd-4-person-full-duplex-wireless-intercom) --- *Product available on Desertcart Colombia* *Store origin: CO* *Last updated: 2026-08-26*