Portland, OR – May 13, 2014 – Triad Speakers, Inc. has added 3 new entry-level models to its DesignerSeries line of behind-the-wall loudspeakers: the DSi-1 ($500 MSRP each), the DSi-2dc dual-channel stereo version ($700 MSRP each) and the higher-performing DSi-3 ($700 MSRP each). The addition of the new models brings the DesignerSeries to 11 models in total. Prior to the …