{"product_id":"motorola-mh-66f4b-aae46x509-submersible-speaker-microphone-for-evx-s24","title":"Motorola MH-66F4B AAE46X509 Submersible Speaker Microphone for EVX-S24","description":"\u003ch2 data-path-to-node=\"3\"\u003eRugged IP57 Submersible Remote Speaker Microphone with Noise Cancellation\u003c\/h2\u003e\n\u003ch3 data-path-to-node=\"4\"\u003eDeliver clear, high-performance audio transmission in severe outdoor and heavy industrial job sites.\u003c\/h3\u003e\n\u003cblockquote data-path-to-node=\"5\"\u003e\n\u003cp data-path-to-node=\"5,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"5,0\"\u003eTechnical Suffix \u0026amp; Revision Notice:\u003c\/b\u003e In accordance with standard Motorola Solutions manufacturing guidelines, the suffix letter at the absolute end of an active product part number or engineering code (such as the \"B\" in \u003cb data-index-in-node=\"220\" data-path-to-node=\"5,0\"\u003eMH-66F4B\u003c\/b\u003e) designates the current factory engineering revision tier. When purchasing original equipment components, the manufacturer automatically fulfills and ships the latest available operational revision iteration (e.g., transitioning smoothly from an \"A\" to a \"B\" or \"C\" variant), which guarantees complete backward physical compatibility while incorporating the newest internal production enhancements.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003eThe \u003cb data-index-in-node=\"4\" data-path-to-node=\"6\"\u003eMotorola MH-66F4B\u003c\/b\u003e (cross-referenced across commercial supply frameworks as the \u003cb data-index-in-node=\"83\" data-path-to-node=\"6\"\u003eMotorola AAE46X509\u003c\/b\u003e or \u003cb data-index-in-node=\"105\" data-path-to-node=\"6\"\u003eMH-664B\u003c\/b\u003e) is a professional-grade, high-performance remote speaker microphone (RSM) built to withstand punishing tactical environments. Integrating this heavy-duty lapel microphone into your team's wireless infrastructure enables logistics staff, structural engineers, and security teams to communicate seamlessly without retrieving their portable transceivers from their belts. Designed with an ultra-rugged outer casing, this shoulder microphone combines structural durability with elite audio clarity.\u003c\/p\u003e\n\u003cp\u003eEngineered to operate in unpredictable weather, the \u003cb data-index-in-node=\"52\" data-path-to-node=\"7\"\u003eMH-66F4B\u003c\/b\u003e features a certified IP57 dust and waterproof specification rating. This heavy-duty build allows the accessory to remain completely submerged in up to 3 feet of water for 30 consecutive minutes without suffering performance loss or internal circuit degradation. The integrated noise-canceling technical module filters out disruptive ambient background noise—such as heavy manufacturing machinery, high winds, and vehicle engines—transmitting only clear, crisp voice paths. A heavy-duty 360-degree rotating mounting clip allows personnel to securely fasten the housing to uniform lapels, safety vests, or equipment straps at any preferred angle.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"8\"\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,0,0\"\u003eIP57 Submersible Architecture:\u003c\/b\u003e Fully dustproof and waterproof construction designed to stay operational after being dropped or submerged in up to 3 feet of water for 30 minutes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,1,0\"\u003eAcoustic Noise-Canceling Core:\u003c\/b\u003e Built-in microphone processing filters out loud wind and background industrial roar to deliver clear voice transmissions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,2,0\"\u003eIntegrated 3.5mm Secondary Audio Jack:\u003c\/b\u003e Features a sealed auxiliary output port to connect listen-only earpieces for private, secure communication in discreet environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,3,0\"\u003e360-Degree Heavy-Duty Mounting Clip:\u003c\/b\u003e Outfitted with a rugged, rotating clip mechanism that allows flexible positioning on uniform epaulets or utility vest straps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"9,4,0\"\u003eCoiled Strain-Relief Cable:\u003c\/b\u003e Built with a resilient, high-flexibility cable layout that prevents tearing or line stretching during fast physical movements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"11\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,1,0,0\"\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,1,1,0\"\u003eMotorola Solutions \/ Vertex Standard\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,2,0,0\"\u003eFactory Kit Number\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,2,1,0\"\u003eAAE46X509\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,3,0,0\"\u003eModel Number\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,3,1,0\"\u003eMH-66F4B \/ MH-664B\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,4,0,0\"\u003eWater \u0026amp; Dust Protection Rating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,4,1,0\"\u003eIP57 Submersible (3 Feet for 30 Minutes)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,5,0,0\"\u003eAudio Feature Set\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,5,1,0\"\u003eNoise-Canceling Technology\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,6,0,0\"\u003eMounting Style\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,6,1,0\"\u003e360-Degree Rotating Spring Clip\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,0,0\"\u003eAuxiliary Port\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,1,0\"\u003eBuilt-in Audio Earpiece Jack\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"12\"\u003eCompatibility\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"13\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"13,1,0,0\"\u003eEVX-S24\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"14\"\u003eWhat’s Included\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\/Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eStatus\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003eMotorola Submersible Noise-Canceling Remote Speaker Microphone\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003eMH-66F4B \/ AAE46X509\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,2,0\"\u003e✅ Included\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003eHigh-Flex Coiled Cord and 360-Degree Mechanical Mounting Latch\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003eIntegrated Assembly\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,2,0\"\u003e✅ Included\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003eMotorola EVX-S24 Ultra-Compact Digital Portable Handheld Radio\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003eEVX-S24 Series\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,2,0\"\u003e❌ Sold Separately\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"3\"\u003eRecommended Accessories\u003c\/h3\u003e\n\u003cul data-path-to-node=\"4\"\u003e\n\u003cli\u003e\n\u003ca title=\"Motorola EVX-S24\" href=\"https:\/\/www.atlanticradiocorp.com\/products\/motorola-evx-s24-digital-two-way-radio\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"4,0,0\"\u003eMotorola EVX-S24 Compact Digital Two-Way Radio\u003c\/b\u003e\u003c\/a\u003e – The primary ultra-compact, pocket-sized portable transceiver that serves as the native host radio for this waterproof multi-pin screw-on connector assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"Motorola PMLN7560A\" href=\"https:\/\/www.atlanticradiocorp.com\/products\/motorola-pmln7560a\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"4,1,0\"\u003eMotorola PMLN7560A Receive-Only Earpiece\u003c\/b\u003e \u003c\/a\u003e– A professional-grade surveillance earpiece with a low-visibility translucent acoustic tube that plugs directly into the speaker microphone’s integrated unthreaded 3.5mm jack for private, confidential message monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca title=\"Motorola CD-66\" href=\"https:\/\/www.atlanticradiocorp.com\/products\/motorola-cd-66\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"4,2,0\"\u003eMotorola CD-66 Enhanced Charging Cradle (AAM20X501)\u003c\/b\u003e \u003c\/a\u003e– The official dual-pocket desktop drop-in charging well engineered to simultaneously replenish your EVX-S24 radio chassis and a secondary spare battery pack during downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"18\"\u003eMore Resources\u003c\/h3\u003e\n\u003cul data-path-to-node=\"19\"\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.atlanticradiocorp.com\/blogs\/news\/best-practices-for-using-two-way-radio-equipment\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,0,0\"\u003eBest Practices for Using Two-Way Radio Equipment\u003c\/b\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.atlanticradiocorp.com\/blogs\/hytera-2-way-radios\/key-features-to-look-for-in-a-professional-two-way-radio\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"19,1,0\"\u003eKey Features To Look For in a Professional Two-Way Radio\u003c\/b\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"1\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4 data-path-to-node=\"2\"\u003eWhy does my microphone have a different trailing letter at the end of the part number than what is listed?\u003c\/h4\u003e\n\u003cp\u003eThe letter at the absolute end of a Motorola part number (such as the \"B\" in MH-66F4B) represents the current factory engineering revision tier. As Motorola implements minor manufacturing updates or component enhancements, they increment this letter (e.g., from A to B, or B to C). Regardless of the trailing letter you receive, the base part is physically identical, 100% backward compatible, and fully authorized by the manufacturer for your radio.\u003c\/p\u003e\n\u003ch4 data-path-to-node=\"4\"\u003eWhat is the exact difference between the MH-66F4B model and the AAE46X509 part number?\u003c\/h4\u003e\n\u003cp\u003eThey refer to the exact same physical hardware accessory. \u003cb data-index-in-node=\"58\" data-path-to-node=\"5\"\u003eMH-66F4B\u003c\/b\u003e is the legacy hardware model number originally established under the Vertex Standard catalog, while \u003cb data-index-in-node=\"167\" data-path-to-node=\"5\"\u003eAAE46X509\u003c\/b\u003e is the official global fulfillment kit SKU used by Motorola Solutions following their system integration.\u003c\/p\u003e\n\u003ch4 data-path-to-node=\"6\"\u003eDoes the built-in secondary audio jack support two-way transmission headsets?\u003c\/h4\u003e\n\u003cp\u003eNo. The auxiliary port on the side of the microphone casing is a dedicated, receive-only audio jack. It is designed to accept standard listen-only earpieces, routing incoming voice messages directly to your ear while still requiring you to use the main microphone push-to-talk button to transmit.\u003c\/p\u003e\n\u003ch4 data-path-to-node=\"8\"\u003eCan I submerge the microphone in water if an earpiece is plugged into the audio jack?\u003c\/h4\u003e\n\u003cp\u003eTo preserve the full IP57 waterproof and submersible protection rating, the side audio jack must be completely sealed by its integrated rubber protective flap. Plugging an accessory into the port exposes the terminal pins to direct liquid contact and voids the submersible rating.\u003c\/p\u003e\n\u003ch4 data-path-to-node=\"10\"\u003eIs this remote speaker microphone compatible with high-tier APX or MOTOTRBO radios?\u003c\/h4\u003e\n\u003cp\u003eNo. The \u003cb data-index-in-node=\"8\" data-path-to-node=\"11\"\u003eMH-66F4B \/ AAE46X509\u003c\/b\u003e uses a specialized screw-on multi-pin connector plug custom-molded to match the slim profile of the EVX-S24 pocket radio series. It will not fit or interface with larger commercial radio connections.\u003c\/p\u003e\n\u003ch4 data-path-to-node=\"12\"\u003eHow does the automatic noise-canceling feature function during high winds?\u003c\/h4\u003e\n\u003cp\u003eThe microphone casing houses a dual-port acoustic chamber that naturally balances out ambient atmospheric pressures caused by heavy winds or loud machinery roar, preventing the internal diaphragm from clipping and ensuring clean, intelligible voice delivery.\u003c\/p\u003e\n\u003ch4 data-path-to-node=\"14\"\u003eWhat type of replacement coverage protects this ruggedized lapel microphone?\u003c\/h4\u003e\n\u003cp\u003eThis authentic original equipment manufacturer portable accessory arrives fully backed against unexpected internal circuit failures, material anomalies, or assembly line defects under a standard 1-year factory warranty policy.\u003c\/p\u003e\n\u003cp data-path-to-node=\"32\"\u003e \u003c\/p\u003e\n\u003ch3 data-path-to-node=\"33\"\u003eWarranty\u003c\/h3\u003e\n\u003cp data-path-to-node=\"34\"\u003e1-year manufacturer’s warranty.\u003cspan\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Motorola","offers":[{"title":"Default Title","offer_id":45778286903470,"sku":"MH-66F4B","price":105.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0062\/0845\/4744\/files\/MH-66F4Bb_4fa04cee-5465-40fd-ae00-10efbb98f959.png?v=1783963772","url":"https:\/\/www.atlanticradiocorp.com\/products\/motorola-mh-66f4b-aae46x509-submersible-speaker-microphone-for-evx-s24","provider":"Atlantic Radio Communications Corp. ","version":"1.0","type":"link"}