Second Subwoofer in the Cinema

There is much debate about the effectiveness of more than one subwoofer in a home cinema setup. I bought a Rel Quake a long time ago and I thought it did very well. But then my friend Hans told me that he had one exactly like mine that he didn't use anymore. So we decided to try them next to each other. And well no debate for me. It works :) You can really feel the explosions now and I love that. And since the cinema is surrounded by 40 cm of concrete and under the ground just like the studio, nobody will be bothered by it :)