Event TR8 Tuned Reference Biamplified Active Studio Monitors (Pair) Do your mixes suffer from buried vocals, overwhelming bass, screetchy guitars, or other sonic unpleasantries Switch to Event monitors - the monitors famous for their "mixes you can trust" sound. The TR series monitors are filled with time-tested Event technology Specifications LF Driver: magnetically shielded 8" mineral-filled polypropylene cone with 1-1/2" diameter high-temperature voice coil