You just need these speakers (http://magico.net/product/ultimate.php http://magico.net/product/ultimate.php) to reproduce those frequencies! The problem, of cou

You just need these speakers (http://magico.net/product/ultimate.php http://magico.net/product/ultimate.php) to reproduce those frequencies! The problem, of course, is whether even "prosumer" recordings keep frequencies higher than 20 or 22kHz, even if they were recorded on equipment that sampled at 192? Seems like most would LPF the rest away in the process of mastering for the masses.