{"product_id":"sennheiser-hmd-280-13-closed-headset-300-ohms","title":"Sennheiser HMD 280-13 Closed Headset, 300 ohms","description":"\u003cdiv class=\"markdown markdown-main-panel tutor-markdown-rendering enable-luminous-fast-follows stronger enable-updated-hr-color\" id=\"model-response-message-contentr_4fc9db42ce06a528\" aria-live=\"polite\" aria-busy=\"false\" dir=\"ltr\"\u003e\n\u003cp data-path-to-node=\"0\"\u003eSennheiser HMD 280-13 Closed Communication Headset (300 Ohms)\u003c\/p\u003e\n\u003cp data-path-to-node=\"1\"\u003eThe Sennheiser HMD 280-13 (Article Number: 004977) is a professional dual-sided circumaural (over-ear) communications headset designed for high-noise environments like broadcast TV control rooms, sports commentary booths, intercom stations, and industrial production fields. Built on the rugged physical platform of Sennheiser's workhorse HD 280 PRO monitoring headphones, this variant adds a noise-compensating dynamic microphone boom.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003eThe \"-13\" designation indicates a highly specific system change from the standard standard HMD 280 PRO: it features upgraded high-impedance \u003cb data-path-to-node=\"2\" data-index-in-node=\"140\"\u003e300 Ohm headphone drivers\u003c\/b\u003e instead of the typical 64 Ohm versions, making it compatible with high-voltage studio matrix intercom networks and professional broadcast consoles without overloading the gear.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"4\"\u003eKey Operational and Engineering 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\"\u003eHigh-Impedance 300 Ohm Voice Coils:\u003c\/b\u003e Purpose-built for multi-user broadcast intercom systems (such as Riedel, Clear-Com, or RTS matrix stations). The higher load impedance limits current draw, which keeps distortion low and prevents the signal sagging that occurs when multiple headsets share a single communication line.\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\"\u003eAggressive Passive Acoustic Attenuation:\u003c\/b\u003e The sealed closed-back ear cup design provides up to 32 dB of passive external noise reduction. This isolates the operator from roaring crowds, engine noise, or control-room chatter, allowing for clear monitoring without cranking volumes to ear-damaging levels.\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\"\u003eSupercardioid Dynamic Microphone:\u003c\/b\u003e Features a pre-mounted dynamic microphone capsule with a supercardioid pickup pattern. It is highly directional, capturing close-proximity speech while aggressively canceling out off-axis ambient room reflections and background stage noise.\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\"\u003eFlexible Swivel Boom Placement:\u003c\/b\u003e The heavy-duty microphone boom arm rotates a full 270 degrees. This layout allows the headset to be worn flipped around, so the operator can position the mic boom on either the left or right side of their face.\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\"\u003eUnterminated Coiled Single-Sided Cable:\u003c\/b\u003e Ships from the factory with a 1m to 3m coiled single-sided cable that is completely \u003cb data-path-to-node=\"5,4,0\" data-index-in-node=\"124\"\u003eunterminated (bare copper wires)\u003c\/b\u003e. This allows system engineers to solder on whatever specialized terminal plugs their venue requires (such as a 4-pin female XLR for intercom systems, or a dual XLR\/Jack combination for broadcast desks).\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 280-13 (HMD 280 PRO 300-Ohm Variant)\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 Number\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,2,1,0\"\u003e004977\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\"\u003eHeadphone Wearing Style\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,3,1,0\"\u003eCircumaural (Around the Ear), Closed-Back\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 Nominal Impedance\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,4,1,0\"\u003e\u003cb data-path-to-node=\"8,4,1,0\" data-index-in-node=\"0\"\u003e300 Ohms per side\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,5,0,0\"\u003e\u003cb data-path-to-node=\"8,5,0,0\" 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=\"8,5,1,0\"\u003eDynamic (Noise-Compensated)\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\"\u003eMicrophone Pickup Pattern\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,6,1,0\"\u003eSupercardioid\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 Nominal Impedance\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,7,1,0\"\u003e200 Ohms\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\"\u003eHeadphone Frequency Response\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,8,1,0\"\u003e8 Hz to 25,000 Hz\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\"\u003e50 Hz to 13,500 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\"\u003eSound Pressure Level (SPL)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,10,1,0\"\u003e102 dB (IEC 268-7)\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\"\u003ePassive Noise Isolation\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,11,1,0\"\u003eUp to 32 dB Attenuation\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\"\u003eFactory Cable Type Profile\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,12,1,0\"\u003eSingle-Sided Coiled Line (1.0m min \/ 3.0m stretched)\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\"\u003eCable Termination Endpoint\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,13,1,0\"\u003e\u003cb data-path-to-node=\"8,13,1,0\" data-index-in-node=\"0\"\u003eUnterminated Bare Wire Ends (No Plug)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,14,0,0\"\u003e\u003cb data-path-to-node=\"8,14,0,0\" data-index-in-node=\"0\"\u003eNet Weight (Without Cable)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,14,1,0\"\u003eApprox. 310 grams (10.9 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 Component 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 280-13\u003c\/b\u003e Headset with Unterminated Coiled Cable\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 MZW 4\u003c\/b\u003e Wind and Pop Screen Foam Cover\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 User Safety and Wiring Schematic Manual\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"13\"\u003eField Configuration and Wiring 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\"\u003eSolder Mapping for 4-Pin Intercom Use:\u003c\/b\u003e Because this headset ships with raw, bare wires, you will need to solder your own connector to interface with your gear. If you are configuring the HMD 280-13 for a standard broadcast production intercom matrix using a standard \u003cb data-path-to-node=\"14,0\" data-index-in-node=\"267\"\u003e4-Pin XLR Female connector\u003c\/b\u003e, use this typical structural mapping scheme:\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cul data-path-to-node=\"15\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,0,0\"\u003e\u003cb data-path-to-node=\"15,0,0\" data-index-in-node=\"0\"\u003ePin 1:\u003c\/b\u003e Microphone Shield \/ Ground (-)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,1,0\"\u003e\u003cb data-path-to-node=\"15,1,0\" data-index-in-node=\"0\"\u003ePin 2:\u003c\/b\u003e Microphone Signal Positive (+)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,2,0\"\u003e\u003cb data-path-to-node=\"15,2,0\" data-index-in-node=\"0\"\u003ePin 3:\u003c\/b\u003e Headphone Ground Common (-)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,3,0\"\u003e\u003cb data-path-to-node=\"15,3,0\" data-index-in-node=\"0\"\u003ePin 4:\u003c\/b\u003e Headphone Signal Positive (+) (For mono links, bridge the left and right ear wires together onto this pin).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,4,0\"\u003e\u003ci data-path-to-node=\"15,4,0\" data-index-in-node=\"0\"\u003e(Note: Always check your specific intercom system manual—such as Clear-Com or RTS—before soldering to verify their factory input mapping).\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote data-path-to-node=\"16\"\u003e\n\u003cp data-path-to-node=\"16,0\"\u003e\u003cb data-path-to-node=\"16,0\" data-index-in-node=\"0\"\u003eProper Dynamic Boom Placement:\u003c\/b\u003e To get the cleanest signal and minimize vocal popping or heavy breath blasts from entering the communication line, do not place the dynamic microphone capsule directly in front of your lips. Instead, position the flexible boom arm so the capsule sits roughly 1 to 2 centimeters away from the skin, just off to the corner of your mouth. The directional supercardioid pattern will still capture your voice clearly while breath bursts blow harmlessly past the element.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003c\/div\u003e","brand":"Sennheiser","offers":[{"title":"Default Title","offer_id":52073366815022,"sku":"SEN-004977","price":7067.9,"currency_code":"ZAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/0157\/2910\/files\/SEN-004977_image1.jpg?v=1782460895","url":"https:\/\/shopvisuals.tv\/products\/sennheiser-hmd-280-13-closed-headset-300-ohms","provider":"ShopVisuals.tv","version":"1.0","type":"link"}