{"product_id":"icom-hm200b","title":"Icom HM-200B Marine Speaker Microphone for M324 \u0026 M324G","description":"\u003ch2\u003eGenuine OEM IPX7 Waterproof Marine Hand Speaker Microphone\u003c\/h2\u003e\n\u003ch3\u003eOriginal equipment replacement palm microphone featuring channel controls, durable coiled cable, and Molex connection for Icom IC-M324 fixed-mount VHF transceivers.\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003eIcom HM-200B\u003c\/b\u003e (catalog part HM-200B \/ HM200) is an authentic original equipment manufacturer (OEM) marine hand speaker microphone designed specifically for Icom fixed-mount VHF maritime transceivers. Engineered as the direct factory replacement for the microphone originally supplied with the IC-M324 and IC-M324G radios, this palm mic restores crystal-clear voice modulation and dependable Push-To-Talk (PTT) operation. Whether replacing a unit worn by salt spray, damaged by severe offshore weather, or lost during vessel refits, the HM-200B delivers factory-grade acoustic clarity and instant channel navigation from the helm.\u003c\/p\u003e\n\u003cp\u003eBuilt to withstand demanding nautical environments, the \u003cb\u003eIcom HM-200B\u003c\/b\u003e features an IPX7 submersible waterproof rating, capable of surviving temporary submersion in one meter of water for up to 30 minutes without seal failure or audio distortion. The ergonomic housing incorporates tactile channel UP and DOWN buttons alongside high\/low transmit power and emergency Channel 16\/9 access controls, allowing captains and crew to manage radio functions without reaching for the main radio console. Terminating in a heavy-duty, corrosion-resistant Molex connector with an industrial-grade coiled lead, the HM-200B operates in full compliance with maritime \u003ca rel=\"noopener\" href=\"https:\/\/www.fcc.gov\/\" target=\"_blank\"\u003eFCC Licensing\u003c\/a\u003e standards to keep vessel communications dependable offshore.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eAuthentic Icom OEM Microphone\u003c\/b\u003e: Direct factory replacement engineered to original manufacturer tolerances for the IC-M324 and IC-M324G maritime transceivers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIPX7 Submersible Waterproofing\u003c\/b\u003e: Sealed to withstand water immersion up to 1 meter (3.3 feet) for 30 minutes, protecting internal elements from spray, rain, and deck washdowns.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIntegrated Front\/Top Controls\u003c\/b\u003e: Features tactile Channel UP\/DOWN keys and quick-access buttons for immediate toggling of priority marine channels and transmit power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRugged Heavy-Duty Coiled Cable\u003c\/b\u003e: Flexible 16.9-inch (430 mm) curled cord extends smoothly to the helm station while resisting UV exposure and salt degradation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFactory Molex Connector\u003c\/b\u003e: Precision molded multi-pin Molex terminal provides a firm, low-resistance connection directly into the transceiver.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-Clarity Electret Capsule\u003c\/b\u003e: Delivers high speech intelligibility to cut through background marine diesel rumble, wind roar, and open-cockpit noise.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\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\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eIcom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eHM-200B \/ HM200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eMarine Fixed-Mount Hand Speaker Microphone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIngress Protection\u003c\/td\u003e\n\u003ctd\u003eIPX7 Submersible (1 meter for 30 minutes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Interface\u003c\/td\u003e\n\u003ctd\u003eIcom Multi-Pin Molex Connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Length\u003c\/td\u003e\n\u003ctd\u003eApprox. 16.9 in (430 mm) Coiled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControls\u003c\/td\u003e\n\u003ctd\u003ePTT, Channel UP\/DOWN, 16\/9 Priority \/ Hi-Lo Power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eImpact-Resistant Marine-Grade Polymer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C to +60°C (-4°F to +140°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 0.44 lbs (200 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor Finish\u003c\/td\u003e\n\u003ctd\u003eBlack (HM-200B)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eCompatible Icom Fixed-Mount Marine Radios\u003c\/b\u003e\u003c\/p\u003e\n\u003ctable\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\u003eM324\u003c\/td\u003e\n\u003ctd\u003eM324G\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\u003eRecommended Accessories\u003cb\u003e\u003c\/b\u003e\n\u003c\/h3\u003e\n\u003ch4\u003eMore Resources\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/hytera-2-way-radios\/how-to-care-for-and-maintain-portable-radios\"\u003e\u003cb\u003eHow To Care for and Maintain Portable and Marine Radios\u003c\/b\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/the-science-behind-two-way-radio-signal-propagation\"\u003e\u003cb\u003eThe Science Behind Two-Way Radio Signal Propagation\u003c\/b\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/vhf-marine-radios\"\u003e\u003cb\u003eBrowse All Marine Radios \u0026amp; Accessories\u003c\/b\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eWhat does the \"B\" suffix in part number HM-200B mean?\u003c\/h4\u003e\n\u003cp\u003eThe \"B\" suffix designates the black housing color finish (\u003cb\u003eHM-200B\u003c\/b\u003e). This distinguishes it from the super white version (\u003cb\u003eHM-200SW\u003c\/b\u003e). Both color versions share identical internal electronic circuitry, IPX7 submersible waterproofing, and Molex connector interfaces.\u003c\/p\u003e\n\u003ch4\u003eWhich marine radios are compatible with the HM-200B?\u003c\/h4\u003e\n\u003cp\u003eThe \u003cb\u003eHM-200B\u003c\/b\u003e is engineered specifically for the Icom IC-M324 and IC-M324G (GPS-integrated) fixed-mount VHF maritime transceivers.\u003c\/p\u003e\n\u003ch4\u003eIs the Icom HM-200B waterproof?\u003c\/h4\u003e\n\u003cp\u003eYes. The \u003cb\u003eHM-200B\u003c\/b\u003e carries an IPX7 waterproof rating, allowing it to withstand complete submersion in up to one meter of fresh or saltwater for 30 minutes without leaking.\u003c\/p\u003e\n\u003ch4\u003eCan I change VHF channels directly from the microphone?\u003c\/h4\u003e\n\u003cp\u003eYes. The \u003cb\u003eHM-200B\u003c\/b\u003e features integrated Channel UP and Channel DOWN navigation buttons on the housing, allowing you to cycle through operational marine channels without having to touch the radio dial.\u003c\/p\u003e\n\u003ch4\u003eWhat type of connector does this microphone use?\u003c\/h4\u003e\n\u003cp\u003eThis microphone uses an authentic internal multi-pin Molex plug designed to mate directly with the dedicated wiring harness of the IC-M324 and IC-M324G radio chassis.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cp\u003e1-year manufacturer’s replacement warranty.\u003c\/p\u003e","brand":"Icom","offers":[{"title":"Default Title","offer_id":67727226929326,"sku":"HM200B","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0062\/0845\/4744\/files\/HM200Ba.png?v=1792426066","url":"https:\/\/www.atlanticradiocorp.com\/products\/icom-hm200b","provider":"Atlantic Radio Communications Corp. ","version":"1.0","type":"link"}