Q Acoustic's 2070 Si Subwoofer channels thumping bass, adding serious power to your sound system. With a central focus on Digital Signal Processing (DSP), this design excels at its delivery of distortion-free audio that clamps down on noise. Packed with super-efficient class-D amplification, twin-cone design & an intuitive Speaker Type Function Control, this subwoofer will take your system up a notch. Digitally-Enhanced Delivery Like far pricier subwoofers, the 2070 Si is completely angled towards DSP. This means that all the filtering & limiting function in the digital domain, making the playback extra-crisp. The system's state-of-the-art precision gives superior sonic performance & enhanced flexibility. Speaker Type Function Control With its digital core, the 2070 Si is far more versatile. Using the Speaker Type switch, you can toggle the settings depending on whether you're using bass reflex (ported) or infinite baffle (sealed) speakers. This way, your sound will always be optimised. Twin Cones Create Serious Power This innovative subwoofer uses two smaller cones rather than one large one for added depth. The twin cones offer the same rumble as a large one, but produce bass faster, improving timing & sonic accuracy. Furthermore, the digital amplifier's 150W capability will deliver home-filling volumes. Deluxe Construction This pair's flush-mounted drive units & curved edges not only make it look stunning, it helps the sound too. Whether you want to add a punch to your movies or music, the 2070 Si won't let you down.