{"product_id":"musictoner-chucklevins-shure-pa421b-antenna-combine","title":"Shure PA421B Antenna Combine","description":"\u003c!-- more --\u003e \u003c!-- split --\u003e\u003cbr\u003e\u003ch4\u003eExpand Your Network with the Shure PA421B Antenna Combiner\u003c\/h4\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 \u003cp\u003e\u003cbr\u003e \u003c\/p\u003e  \u003cul\u003e    \u003cli\u003eCombines up to four PSM transmitters to a single antenna set for improved RF networking \u0026amp; reduced rack clutter.\u003c\/li\u003e    \u003cli\u003eWideband operation (470-865 MHz)\u003c\/li\u003e    \u003cli\u003e4 Input LED signals (green when active; off when inactive)\u003c\/li\u003e    \u003cli\u003eQuieter, temperature-sensitive fan for significant reductions in ambient unit noise and heat\u003c\/li\u003e    \u003cli\u003eDaisy-chain up to 2 combiners with the expansion port.\u003c\/li\u003e    \u003cli\u003eLED indicators for signal presence and signal overload\u003c\/li\u003e    \u003cli\u003ePassive (non-powered) antenna combining*\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003c\/p\u003e \u003cbr\u003e    Manufacturer: Shure\u003cbr\u003eModel: PA421B\u003cbr\u003eSKU: I492638-1-WHXD\u003cbr\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cb\u003eWe are Musictoner Musictoner\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eSince 1958, Chuck Levin’s Musictoner has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.\u003c\/p\u003e\u003cp\u003eOur team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.\u003c\/p\u003e\u003cp\u003eChuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Musictoner","offers":[{"title":"New","offer_id":67637821636771,"sku":"I492638-N","price":1489.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/8299\/0499\/files\/6da4b2db-9c71-46c6-b45e-40a0bfb4fc5b.png?v=1791430992","url":"https:\/\/musictoner.shop\/products\/musictoner-chucklevins-shure-pa421b-antenna-combine","provider":"MusicToner","version":"1.0","type":"link"}