The Infinity BU-80 is a powered subwoofer that features a robust design aimed at delivering deep, impactful bass response for both music and home theater applications. It is equipped with an 8-inch driver that is designed to provide low-frequency performance, offering an output that can enhance the overall listening experience by adding depth and richness to soundtracks. The subwoofer includes a built-in amplifier, allowing it to drive the speaker without needing an external power source, simplifying setup for users. With a frequency response that typically ranges from about 30 Hz to 120 Hz, it is capable of reproducing the low-end frequencies that many larger audio systems might struggle to produce. Additionally, the BU-80 often comes with adjustable controls for volume, phase, and crossover frequency, allowing users to fine-tune performance based on their specific audio environment. The enclosure is solidly constructed to minimize vibration and distortion, further ensuring clarity in sound reproduction.