Know your gear
The Califone HBM319 is designed to work with the entire UHF line of wireless Califone® PA systems including: PowerPro™ SD (PA919SD), PowerPro (PA919), PowerPro Companion Speaker (PA919PS), iPod Wireless Portable PA (PA419), PresentationPro™ (PA319) & (PA329), and Wireless Array (PI39) speakers when plugged into the M319 Beltpack