{"product_id":"sennheiser-sk-9000-a1-a4-bodypack-transmitter-digital-hd-and-lr-mode-3-pin-se-socket-470-558-mhz","title":"Sennheiser SK 9000 A1-A4 Bodypack transmitter, digital, HD and LR mode, 3-pin SE socket, 470-558 MHz","description":"\u003cdiv class=\"markdown markdown-main-panel tutor-markdown-rendering enable-luminous-fast-follows stronger enable-updated-hr-color\" id=\"model-response-message-contentr_7fbe172626543cd8\" aria-live=\"polite\" aria-busy=\"false\" dir=\"ltr\"\u003e\n\u003cp data-path-to-node=\"0\"\u003eSennheiser SK 9000 A1-A4 Digital Wireless Bodypack Transmitter\u003c\/p\u003e\n\u003cp data-path-to-node=\"1\"\u003eThe Sennheiser SK 9000 A1-A4 (Article Number: 504730) is the cornerstone pocket transmitter of Sennheiser’s elite Digital 9000 wireless platform. Built into a highly durable magnesium-alloy casing, this reference-grade bodypack is designed for premier broadcast studios, international music tours, and complex theatrical productions that demand zero compromises in audio quality or RF dependability.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003eThis model operates in the low UHF \u003cb data-path-to-node=\"2\" data-index-in-node=\"35\"\u003eA1-A4 frequency band (470.000 MHz to 558.000 MHz)\u003c\/b\u003e. Featuring an expansive 88 MHz switching bandwidth, it uses highly advanced digital wireless engineering to perform with absolute linearity, making it immune to intermodulation dropouts on dense event sites.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"4\"\u003eKey Performance and Digital Transmission 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\"\u003eIntermodulation-Free Linear Architecture:\u003c\/b\u003e The SK 9000 operates completely linearly without generating destructive intermodulation artifacts. This allows sound engineers to organize a rock-solid \u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"194\"\u003eequidistant frequency grid layout\u003c\/b\u003e (spacing channels evenly at 600 kHz gaps) to dramatically maximize channel count without complex coordination math.\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\"\u003eDual Transmission Profiles (HD and LR):\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"5,1,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,1,0,0\"\u003e\u003cb data-path-to-node=\"5,1,1,0,0\" data-index-in-node=\"0\"\u003eHigh Definition (HD) Mode:\u003c\/b\u003e Transmits uncompressed, completely natural digital audio data. It matches the sonic performance of a high-end studio cable, delivering pristine high-frequency detailing for elite vocalists and delicate instruments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,1,1,0\"\u003e\u003cb data-path-to-node=\"5,1,1,1,0\" data-index-in-node=\"0\"\u003eLong Range (LR) Mode:\u003c\/b\u003e Employs Sennheiser’s proprietary high-robustness digital audio codec (SeDAC) paired with enhanced error correction. This mode stabilizes signal transmission over massive distances or through harsh physical obstacles on festival grounds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\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\"\u003eMoisture-Insulated 3-Pin SE Socket:\u003c\/b\u003e Outfitted with a premium, gold-plated 3-pin special connector (LEMO style) featuring physical internal gaskets. This design effectively shields the input nodes from stage sweat, heavy humidity, and rain, preventing audio shorts or structural crackle mid-event.\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\"\u003eMilitary-Grade AES 256 Encryption:\u003c\/b\u003e Integrated with hardware-driven \u003cb data-path-to-node=\"5,3,0\" data-index-in-node=\"67\"\u003eAES 256 encryption protocols\u003c\/b\u003e. Turning this feature on completely secures the digital RF stream, safeguarding sensitive corporate keynotes or secure governmental broadcasts from scanning or hijacking.\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\"\u003eSK 9000 A1-A4\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\"\u003e504730\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\"\u003eRF Operational Band\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,3,1,0\"\u003e\u003cb data-path-to-node=\"8,3,1,0\" data-index-in-node=\"0\"\u003eA1-A4 Block (470.000 MHz to 558.000 MHz)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,4,0,0\"\u003e\u003cb data-path-to-node=\"8,4,0,0\" data-index-in-node=\"0\"\u003eSwitching Tuning Bandwidth\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,4,1,0\"\u003e88 MHz available across the low-UHF spectrum\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\"\u003eDigital Transmission Modes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,5,1,0\"\u003eHigh Definition (HD) Mode \/ Long Range (LR) Mode\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\"\u003eAcoustic Frequency Response\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,6,1,0\"\u003e30 Hz to 20,000 Hz (flat down to 3 dB)\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\"\u003eSystem Dynamic Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,7,1,0\"\u003eHD Mode: 112 dBA \/ LR Mode: 104 dBA\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\"\u003eTotal Harmonic Distortion (THD)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,8,1,0\"\u003eLess than 0.03% (measured at 1 kHz)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,9,0,0\"\u003e\u003cb data-path-to-node=\"8,9,0,0\" data-index-in-node=\"0\"\u003eAudio Input Interface Node\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,9,1,0\"\u003e3-pin Moisture-Resistant Locking Socket (Special SE LEMO Pin Out)\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\"\u003eInput Impedance Profiles\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,10,1,0\"\u003eMicrophone Input: 68 kOhms \/ Line Input: 1 MOhms\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\"\u003eAudio Gain Adjustment Scale\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,11,1,0\"\u003e-6 dB to +42 dB (Instrument\/Line adjustable in 3 dB steps)\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\"\u003eRF Output Transmission Power\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,12,1,0\"\u003eHD Mode: 10 mW RMS \/ LR Mode: 25 mW RMS\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\"\u003ePower Solution (Transmitter)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,13,1,0\"\u003eOptional BA 61 Li-ion Accupack (6.5 hrs) or B 61 Dry Battery Case (3 x AA)\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\"\u003eChassis Build Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,14,1,0\"\u003eLightweight, high-tensile Magnesium Alloy\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,15,0,0\"\u003e\u003cb data-path-to-node=\"8,15,0,0\" data-index-in-node=\"0\"\u003eNet Operational Weight\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,15,1,0\"\u003eApprox. 147 grams (including belt clip and battery pack assembly)\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: 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 SK 9000\u003c\/b\u003e Digital Bodypack Transmitter (Black, A1-A4 Band)\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 Heavy-Duty Belt Clip\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 Removable Flexible Whip Antenna\u003c\/b\u003e (Tuned for the A1-A4 range)\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 Quick Start Reference Manual\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 Safety Instructions 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: Battery packs and microphone capsules are sold separately)\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"13\"\u003eSystem Deployment and Hardware Interfacing 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\"\u003eLocking the 3-Pin LEMO Audio Interface:\u003c\/b\u003e The SK 9000 uses a premium, moisture-resistant 3-pin connector. It pairs seamlessly with high-tier lavalier microphones (such as the MKE 1, MKE 2, MKE 40) and specialized headworn boom mics (like the SL Headmic 1 or HSP series). Ensure that you push the micro-connector into the socket until the outer collar locks with a distinct physical click. Always pull directly on the knurled metal collar to disconnect—never yank on the flexible microphone wire.\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\"\u003eBattery Architecture Warning:\u003c\/b\u003e To maintain low operational costs and stable weight balance, the SK 9000 does not bundle power elements out of the box. You must provision either a \u003cb data-path-to-node=\"15,0\" data-index-in-node=\"178\"\u003eBA 61 rechargeable lithium-ion battery pack\u003c\/b\u003e (delivering roughly 6.5 hours of continuous transmission tracking) or a \u003cb data-path-to-node=\"15,0\" data-index-in-node=\"294\"\u003eB 61 dry battery case\u003c\/b\u003e configured to host three standard AA batteries. Ensure that you monitor real-time battery telemetry via the backlit LCD screen or remotely inside your EM 9046 receiver channel layout.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003c\/div\u003e","brand":"Sennheiser","offers":[{"title":"Default Title","offer_id":52073373335854,"sku":"SEN-504730","price":64318.35,"currency_code":"ZAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/0157\/2910\/files\/SEN-504730_image1.jpg?v=1782392622","url":"https:\/\/shopvisuals.tv\/products\/sennheiser-sk-9000-a1-a4-bodypack-transmitter-digital-hd-and-lr-mode-3-pin-se-socket-470-558-mhz","provider":"ShopVisuals.tv","version":"1.0","type":"link"}