The Auna linie 501 SW subwoofer is the powerful bass solution for home theater systems as well as an optimal supplementation for bass weak hi-fi systems. The active subwoofer has separate controls for volume, phase and frequency domain, thus allowing you to completely customize the sound to your personal taste as well as the room acoustics. The two 8" woofers produce deep bass in accordance with the bass reflex enclosure. The speaker connection terminals allows the user to chain the signal to other surround speakers or an external amplifier. Non-slip rubber feet help the subwoofer to stand at attention, even during deep bass deposits. For a harmonious interaction with different housing designs, the subwoofer offers an elegant desig finish and a removable speaker grille.