One sub can be fine with your head in a vice. It depends how important a smooth room is to you.
twoleftears
Grow another one?
It's all about nodes. With one sub in a room smaller than a wavelength no two locations are going to have the same pressure, i.e.bass response.
twoleftears
Grow another one?
It's all about nodes. With one sub in a room smaller than a wavelength no two locations are going to have the same pressure, i.e.bass response.