This package is perfect for classroom & AV cart uses, church meetings, small theaters, assemblies and indoor/outdoor functions, the portable PA319 is as simple to use as it is powerful for voice amplification and multimedia presentations with its handheld wireless microphone. And with its wireless connectivity, additional speakers can be easily and quickly added for even greater audience coverage. Worry-free wireless portable audio systems with go anywhere flexibility and power to spare packed into a secure, portable carry case and tripod.