Powered Subwoofer- A perfect solution for your small-to-mid size room 6.5 Inch Down Firing Woofer- It maximizes floor coupling for room-shaking bass that fills every corner without compromise. The unique downward-firing design ensures efficient use of space while enhancing low-frequency extension, creating a seamless blend of power and precision Lfe & Line Inputs for Compatibility With Most Receivers& Bookshelf Speakers& Soundbars– Hook a subwoofer cable between subwoofer out port on the receiver/ bookshelf speakers and LFE input RCA port on the sub Bass in Your Control-Featuring a user-friendly interface, it boasts separate knobs for bass level adjustment and a master volume control, allowing you to fine-tune the intensity and impact of your bass without altering the main volume of your system Compact Size, Colossal Sound- Measuring a mere 9.3 inches in height and width, with a depth of just 13 inches, it slides effortlessly into tight spots, beneath furniture, or alongside your bookshelf speakers, adding a bass boost to your audio setup without taking over your living space