{"product_id":"sennheiser-hmd-27-broadcast-headset-dynamic-mic","title":"Sennheiser HMD 27 Broadcast Headset, Dynamic Mic","description":"\u003cdiv class=\"markdown markdown-main-panel tutor-markdown-rendering enable-luminous-fast-follows stronger enable-updated-hr-color\" id=\"model-response-message-contentr_6b783ee4087d7a84\" aria-live=\"polite\" aria-busy=\"false\" dir=\"ltr\"\u003e\n\u003cp data-path-to-node=\"0\"\u003eSennheiser HMD 27 Professional Circumaural Broadcast Headset\u003c\/p\u003e\n\u003cp data-path-to-node=\"1\"\u003eThe Sennheiser HMD 27 (Current Article Number: \u003cb data-path-to-node=\"1\" data-index-in-node=\"47\"\u003e700322\u003c\/b\u003e, Legacy: \u003cb data-path-to-node=\"1\" data-index-in-node=\"63\"\u003e506976\u003c\/b\u003e) is a premium, heavy-duty closed-back circumaural (over-ear) broadcast headset designed specifically for professional commentators, sports announcers, and live event production crews.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003eThe \u003cb data-path-to-node=\"2\" data-index-in-node=\"4\"\u003e\"D\" designation\u003c\/b\u003e within the 27-series family specifies its core hardware configuration: it features a high-output, broadcast-grade \u003cb data-path-to-node=\"2\" data-index-in-node=\"134\"\u003edynamic microphone capsule\u003c\/b\u003e. This choice makes the headset incredibly robust, capable of capturing highly detailed vocal tracking without requiring external phantom power, and exceptionally resilient against loud ambient spikes common in crowded arenas and sideline reporting.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"4\"\u003eKey Acoustic and Operational Attributes\u003c\/h3\u003e\n\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\"\u003e\u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"0\"\u003eBMD 434 Dynamic Hypercardioid Capsule:\u003c\/b\u003e Outfitted with a high-performance dynamic microphone element optimized for maximum speech intelligibility. Its tight hypercardioid polar pattern provides excellent off-axis rejection, ensuring that background stadium roar, PA bleed-through, and nearby crowd noise are kept out of the broadcast audio feed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,0\"\u003e\u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"0\"\u003eOnboard Switchable ActiveGard Limiter:\u003c\/b\u003e Features an analog, mechanical switch-controlled ActiveGard circuit. When toggled on, it acts as an automatic safety buffer that tames unexpected incoming signal bursts over 110 dB SPL to shield the operator's hearing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,2,0\"\u003e\u003cb data-path-to-node=\"5,2,0\" data-index-in-node=\"0\"\u003ePressure-Free Two-Piece Split Headband:\u003c\/b\u003e Uses an automatically opening split headband structure that spreads apart to shift pressure away from the sensitive areas of the skull. A wide, solid padding wrap is also included in the box for engineers who prefer a traditional single-band profile.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,3,0\"\u003e\u003cb data-path-to-node=\"5,3,0\" data-index-in-node=\"0\"\u003eSwiveling Ear Cup for Single-Side Monitoring:\u003c\/b\u003e The mechanical hinge holding the ear cups allows for a brief single-sided listening configuration. Operators can flip one ear cup completely off the ear to track immediate ambient venue cues without removing the headset entirely.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,4,0\"\u003e\u003cb data-path-to-node=\"5,4,0\" data-index-in-node=\"0\"\u003eModular Multi-Pin Connection Base:\u003c\/b\u003e Ships from the factory with an un-cabled connector socket. This modular design interfaces with Sennheiser's Cable-II series (such as the \u003cb data-path-to-node=\"5,4,0\" data-index-in-node=\"172\"\u003eX3K1 XLR\/1\/4\" combo cable\u003c\/b\u003e), allowing technicians to replace damaged lines instantly or swap connection formats in the field.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"7\"\u003eTechnical Specifications Matrix\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"8\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature Parameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eHardware Specification Profile\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=\"8,1,0,0\"\u003e\u003cb data-path-to-node=\"8,1,0,0\" data-index-in-node=\"0\"\u003eModel Reference Name\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,1,1,0\"\u003eHMD 27\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,2,0,0\"\u003e\u003cb data-path-to-node=\"8,2,0,0\" data-index-in-node=\"0\"\u003eOfficial Article Numbers\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,2,1,0\"\u003e\u003cb data-path-to-node=\"8,2,1,0\" data-index-in-node=\"0\"\u003e700322\u003c\/b\u003e (Current Reference) \/ 506976 (Legacy)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,3,0,0\"\u003e\u003cb data-path-to-node=\"8,3,0,0\" data-index-in-node=\"0\"\u003eGlobal Trade Product Code (UPC)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,3,1,0\"\u003e615104390294\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,4,0,0\"\u003e\u003cb data-path-to-node=\"8,4,0,0\" data-index-in-node=\"0\"\u003eHeadphone Design \/ Coupling\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,4,1,0\"\u003eDynamic, Closed-Back \/ Circumaural (Around-the-Ear)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,5,0,0\"\u003e\u003cb data-path-to-node=\"8,5,0,0\" data-index-in-node=\"0\"\u003eHeadphone Nominal Impedance\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,5,1,0\"\u003e\u003cb data-path-to-node=\"8,5,1,0\" data-index-in-node=\"0\"\u003e64 Ohms (Stereo Configuration)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,6,0,0\"\u003e\u003cb data-path-to-node=\"8,6,0,0\" data-index-in-node=\"0\"\u003eHeadphone Frequency Response\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,6,1,0\"\u003e8 Hz to 18,000 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,7,0,0\"\u003e\u003cb data-path-to-node=\"8,7,0,0\" data-index-in-node=\"0\"\u003eMicrophone Transducer Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,7,1,0\"\u003eDynamic (BMD 434 Component Model)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,8,0,0\"\u003e\u003cb data-path-to-node=\"8,8,0,0\" data-index-in-node=\"0\"\u003eMicrophone Pickup Pattern\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,8,1,0\"\u003eHypercardioid\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,9,0,0\"\u003e\u003cb data-path-to-node=\"8,9,0,0\" data-index-in-node=\"0\"\u003eMicrophone Frequency Response\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,9,1,0\"\u003e40 Hz to 18,000 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,10,0,0\"\u003e\u003cb data-path-to-node=\"8,10,0,0\" data-index-in-node=\"0\"\u003eMicrophone Output Sensitivity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,10,1,0\"\u003e0.5 mV\/Pa at 1 kHz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,11,0,0\"\u003e\u003cb data-path-to-node=\"8,11,0,0\" data-index-in-node=\"0\"\u003eMicrophone Nominal Impedance\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,11,1,0\"\u003e300 Ohms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,12,0,0\"\u003e\u003cb data-path-to-node=\"8,12,0,0\" data-index-in-node=\"0\"\u003eActiveGard Safety Threshold\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,12,1,0\"\u003eSuppresses audio peaks exceeding 110 dB SPL\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,13,0,0\"\u003e\u003cb data-path-to-node=\"8,13,0,0\" data-index-in-node=\"0\"\u003eNet Structural Weight (No Cable)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,13,1,0\"\u003eApprox. 240 grams (8.46 oz)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eIn the Box: Production Package Inventory\u003c\/h3\u003e\n\u003cul data-path-to-node=\"11\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,0,0\"\u003e\u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003e1 x Sennheiser HMD 27\u003c\/b\u003e Broadcast Headset (Dynamic)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,1,0\"\u003e\u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003e1 x Broad Single Headband Converting Cushion\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,2,0\"\u003e\u003cb data-path-to-node=\"11,2,0\" data-index-in-node=\"0\"\u003e1 x High-Density Wind and Pop Screen\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,3,0\"\u003e\u003cb data-path-to-node=\"11,3,0\" data-index-in-node=\"0\"\u003e1 x HZS 11 Cable Attachment Anchor Clip\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,4,0\"\u003e\u003cb data-path-to-node=\"11,4,0\" data-index-in-node=\"0\"\u003e1 x Quick Start Technical Guide\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,5,0\"\u003e\u003ci data-path-to-node=\"11,5,0\" data-index-in-node=\"0\"\u003e(Note: Connection cables are sold separately according to studio infrastructure needs).\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"13\"\u003eField Configuration and Customization Advice\u003c\/h3\u003e\n\u003cblockquote data-path-to-node=\"14\"\u003e\n\u003cp data-path-to-node=\"14,0\"\u003e\u003cb data-path-to-node=\"14,0\" data-index-in-node=\"0\"\u003eConfiguring the ActiveGard System Switch:\u003c\/b\u003e Underneath a small plastic cover on the side of the ear cup housing sits the micro-switch toggle for the ActiveGard hearing protection circuit. If you are working a live broadcast with a high risk of unexpected signal spikes (such as sudden satellite feedback or stadium crowd audio peaks), ensure this switch is set to \"ON.\" If you are checking pre-recorded master media or balancing tracks where uncompressed dynamic headroom is needed up to its maximum thresholds, slide the switch to \"OFF.\"\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cblockquote data-path-to-node=\"15\"\u003e\n\u003cp data-path-to-node=\"15,0\"\u003e\u003cb data-path-to-node=\"15,0\" data-index-in-node=\"0\"\u003eOptimizing the Hypercardioid Boom Placement:\u003c\/b\u003e The flexible microphone boom can be rotated 270 degrees, enabling left or right-side wear. Because the hypercardioid capsule is designed for maximum background rejection, precise placement is vital for a full vocal tone. Bend the flexible gooseneck to position the capsule roughly 2 centimeters out from the corner of your mouth. Avoid placing it directly in front of your lips to minimize low-end pop distortion caused by direct breathing blasts.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003c\/div\u003e","brand":"Sennheiser","offers":[{"title":"Default Title","offer_id":52073365078318,"sku":"SEN-700322","price":12863.9,"currency_code":"ZAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/0157\/2910\/files\/SEN-700322_2ef2cea5-a287-41d7-aabe-82dc93fe29ae.jpg?v=1782465979","url":"https:\/\/shopvisuals.tv\/products\/sennheiser-hmd-27-broadcast-headset-dynamic-mic","provider":"ShopVisuals.tv","version":"1.0","type":"link"}