DAS Audio ARTEC-315 15-Inch Passive Surface Mount SpeakerThe ARTEC 315. 64 is a compact 2 way full range loudspeaker system comprised of one 15 low frequency transducer and one M 34 compression driver with titanium diaphragm. The rotatable waveguide provides 60 x 40 coverage and allows the systems to be installed in either the vertical or horizontal position maintaining the needed dispersion characteristics. The Artec 300 cabinets are constructed from Baltic Birch plywood and finished with a durable ISO