The Low-Down RSS

  All PB (ported box) and PC (ported cylinder) subwoofers come with little grey cylinders of foam. Those little cylinders (called port plugs), used along with the DSP settings you choose from the SVS app, can make a huge difference to the sound of your subwoofer. The port plugs are all the same across SVS's PB and PC models. The standard/native operating mode is 20 Hz with all ports open. The 20 Hz mode provides the most muscular and powerful presentation over the most common bass frequencies, and will provide usable in-room extension to 17-18 Hz. If a single port...

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