Published on Apr 9, 2015 • New lithium battery is lighter and holds charge longer • 6.5” speaker loud enough for 300 people • Works with other Califone 900MHz PAs • 2 wireless mic receivers built in • PA419Q with single handheld mic • PA419Q2 with two wireless mics • PA419M with beltpack transmitter & headset mic • Match wireless frequency on the PA’s receiver to the mic • Wired mic enabl