{"product_id":"8-ch-antenna-combiner-470-865-mhz-taa","title":"Shure 8-Channel Antenna Combiner 470–865 MHz for PSM Systems (PA821B-TA)","description":"\u003cp data-start=\"99\" data-end=\"487\"\u003eThe Shure PA821B-TA 8-Channel Antenna Combiner is a professional RF management solution designed to streamline and optimize multi-channel in-ear monitoring systems. Built for use with Shure PSM systems, this combiner allows up to eight transmitters to share a single antenna, significantly reducing rack clutter while improving RF performance and signal clarity.\u003c\/p\u003e\n\u003cp data-start=\"489\" data-end=\"900\"\u003eEngineered for reliability in demanding environments, the PA821B-TA minimizes intermodulation distortion and enhances overall RF efficiency, ensuring stable and consistent wireless monitoring. Its wideband operation across the 470–865 MHz range supports flexible deployment across multiple frequency bands, while integrated LED indicators provide real-time monitoring of signal presence and overload conditions.\u003c\/p\u003e\n\u003cp data-start=\"902\" data-end=\"1156\"\u003eWith its robust build, efficient thermal design, and support for system expansion via daisy-chaining, the PA821B-TA is ideal for touring professionals, broadcast environments, and large-scale live productions requiring clean, centralized RF distribution.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eAntenna Combiner for Wireless Monitoring Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Capacity\u003c\/td\u003e\n\u003ctd\u003eSupports up to 8 transmitters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e470 to 865 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRF Input Connectors\u003c\/td\u003e\n\u003ctd\u003eBNC, active configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRF Output Connector\u003c\/td\u003e\n\u003ctd\u003eBNC main output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpansion Port\u003c\/td\u003e\n\u003ctd\u003eBNC passive port for daisy-chaining\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRF Gain\u003c\/td\u003e\n\u003ctd\u003e0 dB (±2 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpansion Port Insertion Loss\u003c\/td\u003e\n\u003ctd\u003eLess than 4 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRF Expansion Port Range\u003c\/td\u003e\n\u003ctd\u003eUp to 33 dBm (2 W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpedance\u003c\/td\u003e\n\u003ctd\u003e50 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLED Indicators\u003c\/td\u003e\n\u003ctd\u003eSignal presence and overload detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirements\u003c\/td\u003e\n\u003ctd\u003e100 to 240 V AC, 50 to 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eUp to 143 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw\u003c\/td\u003e\n\u003ctd\u003e1.59 A at 100 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-18°C to 63°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling Design\u003c\/td\u003e\n\u003ctd\u003eEnhanced thermal efficiency with low-noise fan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Expansion\u003c\/td\u003e\n\u003ctd\u003eSupports daisy-chaining of up to 2 units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Accessories\u003c\/td\u003e\n\u003ctd\u003ePower cable, DC power cables, coaxial cables\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eDesigned for Shure PSM wireless systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Shure","offers":[{"title":"Default Title","offer_id":50808315773161,"sku":"PA821B-TA","price":4845.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1706\/8839\/files\/8746f4a932ed3fd4b394a7be3b232391.avif?v=1776253410","url":"https:\/\/www.avendor.com\/products\/8-ch-antenna-combiner-470-865-mhz-taa","provider":"Avendor","version":"1.0","type":"link"}