--- product_id: 116225862 title: "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: "22227 zł" currency: PLN in_stock: true url: https://www.desertcart.pl/products/116225862-ul422-ultralite-hd-4-person-full-duplex-wireless-intercom-headset store_origin: PL region: Poland --- # 1000ft wireless range 6 hours talk time Noise-cancelling mic 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:** 22227 zł **Availability:** ✅ In Stock ## Summary > 🎧 Stay connected, hands-free, and ahead of the game. ## Quick Answers - **What is this?** 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?** 22227 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/116225862-ul422-ultralite-hd-4-person-full-duplex-wireless-intercom-headset) ## 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 - • **Seamless 4-Person Full Duplex:** Communicate simultaneously without interruptions or delays. - • **Expandable & Field Programmable:** Start with 4 users, easily add a 5th for growing teams. - • **All-Day Power & Quick Multi-Charging:** Up to 6 hours talk time with 10-bay charger for rapid group readiness. - • **Ultra Lightweight & Wireless Freedom:** No bulky belts or wires—electronics and battery built into earcups. - • **Crystal Clear Audio in Any Environment:** Noise-cancelling mic auto-mutes when pivoted up for flawless clarity. ## Overview The EARTEC UL422 Ultralite-HD is a professional-grade wireless intercom system designed for up to 4 simultaneous users with full duplex communication over a 1000ft range. Featuring lightweight, cable-free headsets with built-in rechargeable batteries, noise-cancelling microphones, and a 10-bay charger, it’s perfect for high-noise, hands-busy environments like video production, stage, and construction. Expandable and FCC license-free, it ensures crystal-clear, reliable communication for dynamic teams on the move. ## Description The Eartec UL422 is a professional full duplex intercom for four people that need to communicate and work with their hands. This compact system features four UltraLITE wireless headsets, one single-ear “Main” that sets the digital sequence, one single-ear "Remote" headset, and two dual-ear “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 ## 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 | |---------------|-------| | Age range (description) | Adult | | Material | Plastic | | Specific uses for product | Video production, Stage production, Boat operation, Drone operation, Construction sites | | Charging time | 6 Hours | | Recommended uses for product | Video production, Stage production, Boat operation, Drone operation, Construction sites | | Compatible devices | Devices operating on 1.9 GHz frequency, supporting full duplex wireless communication | | Control type | Button Control | | Cable feature | Without Cable | | Item weight | 680 g | | Water resistance level | Water Resistant | | Package type | Standard shipping box or mailer | | Unit count | 4.0 count | | Style | Professional Over-Ear | | Control method | Remote | | Number of items | 1 | | Product Dimensions | 40.64 x 22.86 x 27.94 cm; 680.39 g | | Item model number | UL422 | | Connector | wireless | | Hardware Interface | Radio Frequency | | Material Type | Plastic | | Size | 2 Single, 2 Double | | Item Weight | 680 g | ## Product Details - **Brand:** Eartec - **Colour:** Gray - **Ear placement:** Over Ear - **Form factor:** Over Ear - **Noise control:** Active Noise Cancellation - **Headphone jack:** No Jack - **Model name:** UL422 UltraLITE-HD - **Connectivity technology:** Wireless - **Wireless communication technology:** RF - **Included components:** Headsets, Batteries, Charging Station, Protective Case ## Images ![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) ## 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.pl/products/116225862-ul422-ultralite-hd-4-person-full-duplex-wireless-intercom-headset](https://www.desertcart.pl/products/116225862-ul422-ultralite-hd-4-person-full-duplex-wireless-intercom-headset) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-28*