Multi-purpose, 150-watt active speaker for vocal and keyboard monitoring, multimedia, press conferences, and home recording studio. High-performance MP3 player included to play audio files via USB stick. Revolutionary Class-D amplifier technology provides enormous power, incredible sonic performance, and is super lightweight. Features a 6.5-inch premium-quality full-range driver for excellent sound performance. Ultra-low noise 4-channel mixer with 3-band EQ. Three "invisible" mic preamps with phantom power for condenser microphones and one instrument-ready input (no DI required). Dedicated stereo input for keyboards, MP3, CD, etc. XLR "through" connector with mic/line switch for linking more speakers. Mic stand integration system for use with stand and boom. Integrated limiter for ultimate system control and speaker protection. Internal switch-mode power supply ensures noise-free audio, superior transient response, and very low power consumption. Super-tough, impact-resistant enclosure with integrated top carry handle.