{"product_id":"moldex-6770-flip-to-listen-dual-mode-reusable-earplugs-nrr-24db","title":"Moldex 6770 Flip-to-Listen Dual-Mode Reusable Earplugs — NRR 24dB Closed \/ NRR 4dB Open, 50 Pairs","description":"\u003caside style=\"background:#1a1a2e;border-left:4px solid #e94560;padding:1rem 1.25rem;margin-bottom:1.5rem;border-radius:0 6px 6px 0;\"\u003e\n  \u003cp style=\"margin:0;color:#a0a0b0;font-size:0.85rem;font-style:italic;\"\u003eWC Safety stocks the full Moldex specialty earplug line including Flip-to-Listen and BattlePlugs. Use the \u003ca href=\"\/blogs\/safety-resources\/moldex-earplug-selection-guide\" style=\"color:#e94560;\"\u003eMoldex Earplug Selection Guide\u003c\/a\u003e to compare dual-mode options for your application.\u003c\/p\u003e\n\u003c\/aside\u003e\n\n\u003ch2\u003eMoldex 6770 Flip-to-Listen Earplug | NRR 24 Closed \/ NRR 4 Open | Instant Conversation Mode\u003c\/h2\u003e\n\u003ch1\u003eMoldex 6770 Flip-to-Listen Earplugs\u003c\/h1\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMoldex 6770 Flip-to-Listen\u003c\/strong\u003e is a corded reusable earplug with an innovative hinge mechanism that physically flips the earplug out of the ear canal — moving from NRR 24 protection to NRR 4 open mode — in a single motion. Unlike the BattlePlug's rotate-valve design, the Flip-to-Listen physically relocates the earplug body, allowing workers to enter a near-open conversation mode while keeping the earplug inserted in the ear concha (outer ear) and the neck cord retaining the pair. One flip returns to full NRR 24 protection.\u003c\/p\u003e\n\n\u003ctable\u003e\n  \u003ccaption\u003eQuick Facts\u003c\/caption\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003e6770\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eNRR (Closed — in-canal)\u003c\/th\u003e\n\u003ctd\u003e24 dB — 8.5 dB(A) effective (OSHA derating)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eNRR (Open — flipped out)\u003c\/th\u003e\n\u003ctd\u003e4 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eMode Switch\u003c\/th\u003e\n\u003ctd\u003ePhysical flip hinge — no rotation required\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eReusable\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eCorded\u003c\/th\u003e\n\u003ctd\u003eYes — included neck cord\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eMax Environment (Closed)\u003c\/th\u003e\n\u003ctd\u003e≈98.5 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eOSHA Standard\u003c\/th\u003e\n\u003ctd\u003e29 CFR 1910.95 Hearing Conservation\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003csection\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlip mechanism — fastest mode switch available:\u003c\/strong\u003e A single flip motion moves from NRR 24 in-canal protection to NRR 4 open mode without removing the earplug from the ear. Faster and more intuitive than rotate-valve designs for workers who frequently switch between noise and conversation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNRR 4 open mode:\u003c\/strong\u003e Near-open hearing with minimal passive attenuation — designed for clear, unimpeded conversation. Unlike the BattlePlug's passive acoustic filter open mode, Flip-to-Listen open mode is optimized for natural hearing rather than impulse noise filtering.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRetains during conversation:\u003c\/strong\u003e The flipped earplug rests in the outer ear (concha) rather than dangling — the earplug is always at the ear, not swinging on the cord.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNRR 24 full protection:\u003c\/strong\u003e Flip back to in-canal position to restore NRR 24 hearing protection — 8.5 dB(A) effective after OSHA 50% derating, covering environments up to ~98.5 dB(A).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReusable and washable:\u003c\/strong\u003e Solid TPE construction — wash with soap and water and air dry. One pair designed for extended multi-week use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003eFlip-to-Listen vs. BattlePlug — Choosing the Right Dual-Mode Earplug\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eFlip-to-Listen (6770)\u003c\/th\u003e\n\u003cth\u003eBattlePlug (6496–6499)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eNRR Closed\u003c\/td\u003e\n\u003ctd\u003eNRR 24\u003c\/td\u003e\n\u003ctd\u003eNRR 20–24 (size dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eNRR Open\u003c\/td\u003e\n\u003ctd\u003eNRR 4 (near-open)\u003c\/td\u003e\n\u003ctd\u003eNRR 9–12 (passive impulse filter)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMode switch\u003c\/td\u003e\n\u003ctd\u003ePhysical flip hinge\u003c\/td\u003e\n\u003ctd\u003eRotate valve\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOpen mode best for\u003c\/td\u003e\n\u003ctd\u003eClear conversation, verbal instructions\u003c\/td\u003e\n\u003ctd\u003eImpulse noise (gunshots), situational awareness\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eReplaceable tips\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSizing\u003c\/td\u003e\n\u003ctd\u003eOne size\u003c\/td\u003e\n\u003ctd\u003eXS \/ S \/ M \/ L\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eChoose the \u003cstrong\u003eFlip-to-Listen\u003c\/strong\u003e when clear conversation in open mode is the priority — the NRR 4 open mode is optimized for speech intelligibility. Choose the \u003cstrong\u003eBattlePlug\u003c\/strong\u003e when open-mode impulse noise attenuation is the priority — the passive valve filter attenuates high-peak sounds while allowing moderate sounds through, which is the preferred design for firearms use.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupervisors and quality control:\u003c\/strong\u003e Workers who give or receive verbal instructions frequently throughout the shift — flip open for conversation, flip closed when returning to the production floor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaintenance technicians:\u003c\/strong\u003e Enter noise zones for equipment checks, exit for planning conversation — the flip mechanism is faster and more reliable than repeated insertion\/removal of disposable foam.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstruction foremen:\u003c\/strong\u003e Coordinate crew on active sites — open for walkie-talkie or direct conversation, closed during equipment operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarehouse and logistics:\u003c\/strong\u003e Workers moving between loud dock areas and quieter office\/admin zones multiple times per shift.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHealthcare and cleanroom entry\/exit:\u003c\/strong\u003e Workers passing in and out of equipment rooms or mechanical spaces adjacent to quiet work areas.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003eNRR 24 Protection — Environmental Coverage\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eNoise Level\u003c\/th\u003e\n\u003cth\u003eEnvironment\u003c\/th\u003e\n\u003cth\u003eEffective Exposure (Closed)\u003c\/th\u003e\n\u003cth\u003eOSHA Status\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e85 dB(A)\u003c\/td\u003e\n\u003ctd\u003eAction Level\u003c\/td\u003e\n\u003ctd\u003e76.5 dB(A)\u003c\/td\u003e\n\u003ctd style=\"color:green;\"\u003e✓ Below Action Level\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e90 dB(A)\u003c\/td\u003e\n\u003ctd\u003ePEL\u003c\/td\u003e\n\u003ctd\u003e81.5 dB(A)\u003c\/td\u003e\n\u003ctd style=\"color:green;\"\u003e✓ Below PEL\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e95 dB(A)\u003c\/td\u003e\n\u003ctd\u003eHeavy Industry\u003c\/td\u003e\n\u003ctd\u003e86.5 dB(A)\u003c\/td\u003e\n\u003ctd style=\"color:green;\"\u003e✓ Below PEL\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e100 dB(A)\u003c\/td\u003e\n\u003ctd\u003eHigh-Noise\u003c\/td\u003e\n\u003ctd\u003e91.5 dB(A)\u003c\/td\u003e\n\u003ctd style=\"color:orange;\"\u003e⚠ Exceeds PEL — dual protection needed\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor environments above ~98.5 dB(A) TWA, add earmuffs over the Flip-to-Listen for dual protection, or use a higher-NRR earplug (SparkPlugs NRR 33, effective 13 dB(A)) when dual-mode capability is not required.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003eOSHA 29 CFR 1910.95 Compliance\u003c\/h2\u003e\n\u003cp\u003eThe Flip-to-Listen satisfies OSHA hearing conservation requirements when used in the closed (in-canal) position with NRR 24 providing adequate attenuation for measured TWA. Apply 50% derating: (24−7)÷2 = 8.5 dB(A) effective. Single-protector coverage extends to ~98.5 dB(A) TWA. Include flip-mechanism training in employee hearing conservation program instruction — workers must understand that open mode (NRR 4) does not satisfy hearing protection requirements in noise zones at or above the Action Level.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eDoes the Flip-to-Listen come in multiple sizes?\u003c\/h3\u003e\n\u003cp\u003eThe Flip-to-Listen is designed as a one-size-fits-most adult earplug. If workers have difficulty achieving a seal in the closed position, try the Moldex BattlePlug which comes in XS, S, M, and L sizes for precise canal-diameter matching.\u003c\/p\u003e\n\n\u003ch3\u003eIs open mode (NRR 4) safe in any noise environment?\u003c\/h3\u003e\n\u003cp\u003eNRR 4 (effective ~−1.5 dB(A) after OSHA derating — effectively no meaningful attenuation) is designed for conversation in areas at or near ambient noise levels, not for use in areas above the Action Level (85 dB(A) TWA). Do not use open mode in noise zones — flip to the closed position before entering any area requiring hearing protection.\u003c\/p\u003e\n\n\u003ch3\u003eHow long do Flip-to-Listen earplugs last?\u003c\/h3\u003e\n\u003cp\u003eThe solid TPE construction is designed for multi-month use. Inspect the hinge mechanism periodically — replace if the hinge becomes loose or fails to hold position in either mode. Wash with soap and water after each shift and dry completely before storage. Unlike BattlePlugs, there are no replaceable tips — the entire unit is replaced when worn.\u003c\/p\u003e\n\n\u003ch3\u003eCan I use Flip-to-Listen for firearms?\u003c\/h3\u003e\n\u003cp\u003eThe Flip-to-Listen is not optimized for impulse noise — the open mode provides NRR 4 (near-open hearing) rather than passive impulse filtering. For firearms use, the Moldex BattlePlug open mode is specifically designed to attenuate impulse sounds while allowing lower-level sounds through. Use the BattlePlug for shooting sports; use the Flip-to-Listen for conversational switching in industrial environments.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"Moldex","offers":[{"title":"Default Title","offer_id":44052825604184,"sku":"6770","price":55.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/1900\/0920\/files\/c3607858e2c5ef648e2b1a7559eb5d77.jpg?v=1777503180","url":"https:\/\/wcsafety.com\/products\/moldex-6770-flip-to-listen-dual-mode-reusable-earplugs-nrr-24db","provider":"WC Safety","version":"1.0","type":"link"}