An affordable sound solution.
The Gem Sound PXA-252 Active 2-Way Speaker Cabinet has a 15" woofer with a high temperature voice coil and a high compression horn to cover the entire sound spectrum. The internal amplifier delivers 200W of power, and the built-in crossover accurately assigns the frequencies. Master volume, bass, and treble controls let you dial in the sound you want.
Buy the PXA-252 powered speaker, plug in a mic, and you're in business.