BEHRINGER B207MP3 Active 150-Watt 6.5" Pa/Monitor Speaker System with Mp3 Player Black Multi-purpose, 150-Watt, active speaker for vocal and keyboard monitoring, multi-media, press conferences and home recording studio, etc. High-performance MP3 player included to play audio files via USB stick Revolutionary Class-D amplifier technology: enormous power, incredible sonic performance and super-lightweight 6.5 premium-quality, full-range driver for excellent sound performance Ultra-low noise 4-channel mixer with 3-band EQ