The Anchor Liberty Xtreme MPA‑5100 is a robust, bi‑amplified portable PA system designed for demanding environments—indoors or outdoors. With a powerful 90 W low-frequency amplifier and 40 W high-frequency unit driving an 8″ woofer and horn tweeter, it delivers clear, high‑SPL sound up to 122 dB, suitable for crowds of 2,500+—a full 6 dB louder than the MPA‑4500.