Accessory speaker for interactive classrooms, adds audio capability to the interactive classroom, allowing for increased audience engagement and comprehension. Mounts to top of 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 to 240V AC adapter with IEC line cord included. UL listed.