{"product_id":"pa421b","title":"PA421B - Antenna Combiner for PSM® Wireless Systems","description":"\u003cp\u003eFour-to-One Wideband PSM Antenna Combiner for all P3T, P9T and P10T Transmitters (470-865 MHz)\u003c\/p\u003e \u003cp\u003eThe PA821B active broadband antenna combiner streamlines the simultaneous operation of many PSM systems at a venue.  The PA821B combines the RF outputs from up to four PSM transmitters into one RF output to feed a single transmit antenna.  This provides significantly improved reception quality due to reduced intermodulation distortion and dropouts due to multipath interference. (Directly replaces PA421A.)\u003c\/p\u003e  \u003cp\u003eThe PA421B is compatible with Shure PSM300, PSM 900 and PSM 1000.\u003c\/p\u003e \u003cul\u003e \t\u003cli\u003eCombines up to four PSM transmitters to a single antenna set for improved RF networking \u0026amp; reduced rack clutter.\u003c\/li\u003e \t\u003cli\u003eWideband operation (470-865 MHz)\u003c\/li\u003e \t\u003cli\u003e4 Input LED signals (green when active; off when inactive)\u003c\/li\u003e \t\u003cli\u003eQuieter, temperature-sensitive fan for significant reductions in ambient unit noise and heat\u003c\/li\u003e \t\u003cli\u003eDaisy-chain up to 2 combiners with the expansion port.\u003c\/li\u003e \t\u003cli\u003eLED indicators for signal presence and signal overload\u003c\/li\u003e \t\u003cli\u003ePassive (non-powered) antenna combining*\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e* Contact Shure Service Department for more detail and availability. Requires modification of unit by qualified service technician.\u003c\/p\u003e","brand":"Shure","offers":[{"title":"PA421B","offer_id":45176103108651,"sku":"PA421B","price":2500.0,"currency_code":"USD","in_stock":true},{"title":"X","offer_id":45176103141419,"sku":"PA421BX","price":2500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1746\/5293\/files\/1ff0865faed84046eef4e3825f5316b0.jpg?v=1787933218","url":"https:\/\/proaal.com\/products\/pa421b","provider":"Pro Audio and Lighting","version":"1.0","type":"link"}