Shure PA821B Antenna Combiner 100747808 90° x 60° pattern for

90° x 60° pattern for best coverage on mid-size stages

bank-style LED effect light quickly and easily adds color to any event

Speaker type: 18" Powered subwoofer

Grille: perforated steel

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Shure PA821B Antenna Combiner 100747808 90° x 60° pattern forShure PA821B Antenna Combiner for PSM Wireless Systems Shure PA821B Antenna Combiners are complementary accessories for Shure PSM Personal Stereo Monitor systems. When multiple systems are required for monitoring environments, the PA821B combiners quietly and efficiently reduce rack clutter and optimize RF management for up to eight PSM transmitters when racked in a central location. PA821B replaces PA821A Contact Shure Service Department for more