{"product_id":"eartec-ul4s-ultralite-full-duplex-wireless-headset-for-4-users","title":"Eartec UL4S Ultralite Full Duplex Wireless Headset for 4 Users","description":"\u003cp\u003eOur review of the Eartec UL4S Ultralite kit finds it best suited for small production crews and teams that need clear, hands-free group communication without complex setup. The single biggest reason to buy is simple: this bundle delivers true full-duplex, simultaneous talk capability for four users on a reliable 1.9 GHz channel with a long line-of-sight range, making walkie-style delays and push-to-talk interruptions largely irrelevant for video shoots, stage management, or small vessel operations.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-duplex wireless:\u003c\/strong\u003e Allows four users to speak and be heard at the same time, which keeps collaboration fluid during live shoots or operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.9 GHz operation:\u003c\/strong\u003e Uses a dedicated frequency band to reduce interference from other consumer wireless devices in busy environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong wireless range:\u003c\/strong\u003e Offers up to 1,000 ft line-of-sight range so team members can spread out on larger sets or outdoor sites while staying connected.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRechargeable battery system:\u003c\/strong\u003e The bundle includes eight lithium batteries and a ten-bay multi-port charger so all headsets can be topped up between jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise-cancelling microphone:\u003c\/strong\u003e Improves voice clarity in noisy environments and mutes automatically when the boom is pivoted up for quick privacy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePortable kit:\u003c\/strong\u003e Comes with a softside case and cleaning wipes so the set stays organized and maintained between uses.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe UL4S is ideal for small production teams, wedding videographers, stage crews, and drone or boat operators who need dependable, hands-free group communication across a moderate outdoor or indoor area. Its full-duplex design is especially useful when multiple people must coordinate simultaneously, such as camera operators and directors working in tight timelines.\u003c\/p\u003e\u003cp\u003eThose who need all-day battery life without swapping cells or who require in-ear stereo audio monitoring should look elsewhere; battery performance can vary in real-world use and the headsets are single-ear designs focused on voice communication rather than immersive listening.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTrue simultaneous communication for four users keeps conversations natural and immediate.\u003c\/li\u003e\n\u003cli\u003eLong 1,000 ft LOS range handles larger performance and outdoor spaces well.\u003c\/li\u003e\n\u003cli\u003eIncludes eight batteries and a ten-bay charger so the set is ready for multi-shift use.\u003c\/li\u003e\n\u003cli\u003eNoise-cancelling mics and pivot-to-mute improve clarity and quick privacy control.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBattery life varies by report; some users see longer runtimes while others report charging problems, so inspect charging and cells before critical jobs.\u003c\/li\u003e\n\u003cli\u003eSingle-ear design may not suit users wanting full stereo monitoring or full immersion.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded headsets\u003c\/td\u003e\n\u003ctd\u003e1 main ULSM single-ear, 3 ULSR single-ear remotes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e1.9 GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWireless range\u003c\/td\u003e\n\u003ctd\u003eUp to 1,000 ft line-of-sight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery system\u003c\/td\u003e\n\u003ctd\u003e8 rechargeable lithium batteries, up to 6 hours typical talk time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharger\u003c\/td\u003e\n\u003ctd\u003eTen bay multi-port charger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccessories\u003c\/td\u003e\n\u003ctd\u003eSoftside case and SolidSignal cleaning wipes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Eartec UL4S Ultralite bundle is a pragmatic choice for crews that need reliable, simultaneous voice communication without fuss. It bundles a full set of batteries and a multi-port charger so teams can stay active between takes, and its long range and noise-cancelling mics make it good value for production and field work. Prospective buyers should check battery conditioning and charging behavior before relying on it for critical all-day events.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan all four headsets talk at once?\u003c\/strong\u003e\u003cbr\u003eYes. The system is full-duplex, enabling simultaneous conversation among the four users.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow long do the batteries last?\u003c\/strong\u003e\u003cbr\u003eTypical talk time is up to about 6 hours per charge, though some users report variation in real-world runtime.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the microphone mute when not in use?\u003c\/strong\u003e\u003cbr\u003eYes. The boom microphone mutes automatically when pivoted up for quick privacy and noise control.\u003c\/p\u003e","brand":"Solid Signal","offers":[{"title":"Default Title","offer_id":48241182671067,"sku":"B0B5NHQYLZ","price":823.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71dzSBA2DSL._AC_SL1500.jpg?v=1776280556","url":"https:\/\/gearmusthave.com\/products\/eartec-ul4s-ultralite-full-duplex-wireless-headset-for-4-users","provider":"GearMustHave","version":"1.0","type":"link"}