The rugged, durable, and expandable Anchor Liberty emits crystal-clear sound and makes an immense impact at any event. Thrill crowds of 1500+ with enormous 117 dB of sound output from 200-watt amplifier/mixer with vanishingly low distortion. Battery operation lasts for up to 8 hours and is long enough for extended events. Accepts up to 4 wireless microphones, plus Bluetooth and wired audio source. The versatile Anchor Liberty can broadcast sound to additional Anchor AIR components for even greater coverage.