Monoprice MSUB-A082 powered subwoofer

The listing

The Monoprice MSUB-A082 is a compact, budget-friendly 8-inch powered subwoofer designed to add low-end bass to stereo or home theater surround sound systems. Driver: 8-inch reinforced speaker cone Amplifier Power: 60 watts (RMS) Frequency Response: 50 Hz – 250 Hz Adjustable Crossover: Lowpass filter adjustable from 50 Hz – 150 Hz Inputs/Outputs: Line-level (RCA) and High-level (speaker wire) inputs and outputs Dimensions: 13.75" H x 11.75" W x 11.75" Features: Auto-on power sensing and standard On/Off switch Open box but has not been used.