8-inch long-throw woofer, deliver deep, room-filling bass. A closed-loop Class-D amplifier provide 70W RMS output for powerful and consistent performance. An 18mm MDF (medium-density fiberboard) enclosure minimizes resonance and distortion, resulting in a tight, clean, and well-defined bass response. The Signal In and Signal Out ports ensure broad compatibility with desktop speakers, bookshelf systems, and home theater receivers.