A 15" PA speaker in a sturdy ABS housing featuring a high-quality 800W mixer/amplifier, Bluetooth technology, an MP3 player, a powerful mid-low woofer, and a dynamic compression horn driver for excellent sound reproduction. Unlimited flexibility in placement thanks to Bluetooth technology. The MP3 player plays music via USB stick or SD card. The line output allows for chaining additional speakers. The impact-resistant ABS housing is equipped with a robust metal grille to protect the woofer. This active speaker box can be used as a standalone device and is ideal for use in bars, restaurants, fitness and conference centers, theaters, and halls, on stages, etc.