ADAM Audio SUB8B Active Studio Subwoofer (Single) - 8.5"The Sub8 is a small yet powerful subwoofer designed to extend the low frequency capabilities of any nearfield monitoring system down to 30Hz. It houses a robust 8. 5 woofer with a 1. 5 voice coil driven by a 160W ICE power amplifier. This amp combines low heat generation with high performance to handle maximum power levels, even during long mix sessions. The front baffle features two motorized knobs that let you tailor input level and crossover