M-Audio Studiophile BX8a Deluxe 130-Watt Bi-Amplified Monitor Speaker - Pair Exceptional driver integration - well-balanced sound with superior detail 1-1/4 waveguide-loaded high-frequency drivers - excellent clarity 8 Kevlar low-frequency drivers - high resilience and durability 130-Watts of bi-amplified power with crossover - dedicated reproduction of high and low frequencies Magnetic shielding - electronic equipment coexists without interference