Powerful sound even in compact size. The SC203 is the perfect model for creators with limited installation locations, as well as for home/game users who are focused on sound quality. Built-in high-resolution DSP circuitry that can be adjusted to suit your work environment with just a press of a button that doubles as a knob. 3" diameter woofer with 1" voice coil for low frequency accurate playback The tweeter uses an µA.M.T. tweeter specifically designed for SC203 that is small but accurate and clear. Passive radiator for even lower bandwidth playback The SC203 setup consists of a 2-way master and slave system, each channel woofer and tweeter is powered by a dedicated 30W PWM amplifier and has individual filters to drive accurately. Equipped with analog RCA, optical digital and USB input terminals, it can input signals from a variety of sources. The dip switch on the back allows for easy assembly of the powerful 2.1 system.