Amphion Two15 Loudspeaker Model Two15 takes everything that is wonderful about the One15 and transports it to a whole other dimension. Matching custom designed 5.25” aluminum woofers positioned above and below Amphion’s 1” titanium tweeter/Corian Wave guide assembly - all mounted ...Amphion Two15 Loudspeaker Model Two15 takes everything that is wonderful about the One15 and transports it to a whole other dimension. Matching custom designed 5.25” aluminum woofers positioned above and below Amphion’s 1” titanium tweeter/Corian Wave guide assembly - all mounted in a precisely tooled sealed enclosure - provide an almost 3D listening experience, allowing musicians and engineers to hear inside a mix like never before.