Infinity BU-1 powered subwoofer delivers deep bass for your home audio setup. This 60W active subwoofer features high-level and low-level inputs, a variable frequency control knob (50Hz to 150Hz), and a dedicated volume control for precise sound adjustment. The unit includes a front-firing port and a built-in power amplifier. Please note the cabinet shows significant cosmetic wear including peeling laminate and scuffs on the edges as pictured, but the rear control panel and connections remain intact.
eBay