{"product_id":"howard-leight-sync-hi-visibility-digital-amfm-radio-earmuff-1030390bright-yellow","title":"Howard Leight Sync Hi-Visibility Digital AM\/FM Radio Earmuff (1030390),Bright Yellow\/Green, Unisex","description":"\u003cdiv class=\"silo-desc\" style=\"color:#e0e0e0;font-family:sans-serif;max-width:900px\"\u003e\n  \u003caside style=\"background:#1a2433;border-left:4px solid #c8a84b;padding:14px 18px;border-radius:4px;margin-bottom:28px\"\u003e\n    \u003cp style=\"margin:0;font-size:0.95em\"\u003e\u003cstrong\u003eHoward Leight Sync — AM\/FM radio earmuffs with NRR 25. Hi-visibility yellow\/green.\u003c\/strong\u003e Built-in digital AM\/FM radio and auxiliary input let workers listen to audio while meeting ANSI S3.19 hearing protection requirements. Hi-vis finish for construction and outdoor work sites.\u003c\/p\u003e\n  \u003c\/aside\u003e\n  \u003ch2 style=\"color:#c8a84b;margin-top:0\"\u003eHoward Leight Sync Radio Earmuffs — Specification Review\u003c\/h2\u003e\n  \u003cp\u003eThe \u003cstrong\u003eHoward Leight Sync\u003c\/strong\u003e (1030390) combines NRR 25 passive hearing protection with an integrated digital AM\/FM radio and 3.5mm auxiliary input, allowing workers to listen to radio or a connected audio device at a volume that automatically limits output to safe listening levels. The result is a hearing protector that addresses a practical workplace reality: workers in high-noise environments often remove protective earmuffs to hear music or communication, undermining the protection. The Sync removes that incentive by integrating audio directly into the ear cup.\u003c\/p\u003e\n  \u003cp\u003eThe hi-visibility yellow\/green shell is engineered for construction, road work, and outdoor environments where high-visibility PPE requirements apply. NRR 25 with ANSI S3.19 certification covers the majority of construction-site noise exposures.\u003c\/p\u003e\n  \u003ch2 style=\"color:#c8a84b\"\u003eFeatures at a Glance\u003c\/h2\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;margin-bottom:24px\"\u003e\n    \u003cthead\u003e\u003ctr style=\"background:#1a2433\"\u003e\n      \u003cth style=\"padding:8px 12px;text-align:left;border:1px solid #333;color:#c8a84b\"\u003eFeature\u003c\/th\u003e\n      \u003cth style=\"padding:8px 12px;text-align:left;border:1px solid #333;color:#c8a84b\"\u003eDetails\u003c\/th\u003e\n    \u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"background:#111\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #333\"\u003eNRR\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #333\"\u003e25\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#1a2433\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #333\"\u003eRadio\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #333\"\u003eDigital AM\/FM, auto-scan, preset memory\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#111\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #333\"\u003eAux input\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #333\"\u003e3.5mm — connects phone, MP3 player\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#1a2433\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #333\"\u003eVolume limiting\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #333\"\u003eMax 82 dB output — safe listening protection\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#111\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #333\"\u003eColor\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #333\"\u003eHi-visibility yellow\/green\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#1a2433\"\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #333\"\u003eCertification\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #333\"\u003eANSI S3.19\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n  \u003ch2 style=\"color:#c8a84b\"\u003eVolume Limiting and PPE Compliance\u003c\/h2\u003e\n  \u003cp\u003eThe Sync limits audio output to 82 dB — the OSHA threshold below which hearing damage is unlikely during an 8-hour shift. This means listening to radio through the Sync does not compromise the NRR 25 hearing protection rating: the external sound is attenuated by the cup, and the internal audio is capped at a safe level. Workers hear entertainment without exposing themselves to additional noise risk beyond workplace background levels.\u003c\/p\u003e\n  \u003ch2 style=\"color:#c8a84b\"\u003eStrengths and Limitations\u003c\/h2\u003e\n  \u003cp\u003e\u003cstrong\u003eStrengths:\u003c\/strong\u003e NRR 25 ANSI S3.19 compliant; integrated AM\/FM radio reduces motivation to remove earmuffs in noisy environments; 82 dB volume limiter maintains hearing protection even with audio playing; 3.5mm aux input for smartphone or MP3 player; hi-vis shell for construction and road-work PPE programs.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eLimitations:\u003c\/strong\u003e radio reception varies by job site location — metal structures, underground, and urban density affect AM\/FM signal quality; batteries required for radio function (passive attenuation remains even without batteries); heavier than passive earmuffs due to electronics; the aux cable is an additional item to manage on active work sites.\u003c\/p\u003e\n  \u003ch2 style=\"color:#c8a84b\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n  \u003ch3 style=\"color:#e0e0e0\"\u003eDoes playing audio through the Sync reduce the NRR 25 hearing protection?\u003c\/h3\u003e\n  \u003cp\u003eNo. The 82 dB output limiter ensures audio from the internal speaker stays within safe levels. The NRR 25 passive cup attenuation continues to block external noise regardless of whether the radio is playing. Playing audio at or below 82 dB through the internal speaker does not add to noise exposure beyond what the environment already produces.\u003c\/p\u003e\n  \u003ch3 style=\"color:#e0e0e0\"\u003eCan the Sync be used as a passive earmuff without batteries?\u003c\/h3\u003e\n  \u003cp\u003eYes. The NRR 25 passive attenuation from the ear cup and foam cushion functions regardless of battery state. When batteries are depleted, the radio stops but hearing protection continues. This makes the Sync practical even when battery management is imperfect.\u003c\/p\u003e\n  \u003ch3 style=\"color:#e0e0e0\"\u003eWill the AM\/FM radio work on a construction site with metal framing?\u003c\/h3\u003e\n  \u003cp\u003eFM reception quality varies with site conditions — heavy metal framing, underground locations, and dense urban environments can degrade signal. The digital tuner auto-scans for the strongest available signal. In poor reception areas, the 3.5mm aux input allows direct connection to a smartphone for streaming or stored audio, bypassing the radio entirely.\u003c\/p\u003e\n  \u003ch3 style=\"color:#e0e0e0\"\u003eIs the hi-vis color ANSI\/ISEA 107 rated?\u003c\/h3\u003e\n  \u003cp\u003eThe earmuff shell color is hi-visibility yellow\/green but the earmuff itself is not an ANSI 107-rated garment. ANSI\/ISEA 107 covers vests, shirts, and outerwear with specific retroreflective tape requirements. The Sync's hi-vis color improves head-level visibility on site but does not substitute for a compliant hi-vis garment in environments where ANSI 107 apparel is required.\u003c\/p\u003e\n  \u003cp style=\"margin-top:32px;padding-top:16px;border-top:1px solid #333;font-size:0.9em\"\u003e\n    \u003cstrong\u003eRelated:\u003c\/strong\u003e\n    \u003ca href=\"\/collections\/hearing-protection\" style=\"color:#c8a84b\"\u003eAll Hearing Protection\u003c\/a\u003e  | \n    All Ear Muffs  | \n    NRR Guide\n  \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Howard Leight","offers":[{"title":"Default Title","offer_id":44142505754712,"sku":"B00IL9MK0A","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/1900\/0920\/files\/41Mz0PRkaXL._SL500.jpg?v=1779740305","url":"https:\/\/wcsafety.com\/products\/howard-leight-sync-hi-visibility-digital-amfm-radio-earmuff-1030390bright-yellow","provider":"WC Safety","version":"1.0","type":"link"}