Adds audio capability to the interactive classroom, allowing for increased audience engagement and comprehension. Mounts to the top of the Bretford Mobile Interactive Whiteboard (EDUIWB-AL/DIWB-AL). AmpliVox® Speaker Array features audio L/R line-out RCA jacks, 3.5mm line in/line out jacks, and plug-in microphone jack. Features separate volume and microphone volume control knobs. Mounting bracket, hardware, and instructions included. Universal 100-240V AC adapter with IEC line cord included. UL Listed for American and Canadian markets.