Though suitable for any installation, Russound’s Contractor Series loudspeakers are ideal for use in new home construction, where production builders need reliability and quality yet also have to meet the demands of a highly competitive marketplace. Russound meets and exceeds those demands with affordable loudspeakers that are time tested with proven technology and extensive field experience. Drawing on the success of the well-known Russound model 523, the all-new Contractor Series is coordinated in both aesthetics and functionality. The shapes, materials, appearance and sound quality work together seamlessly to suit varied installation applications. SPC503: 5.25" Single Point Stereo, Poly Mica cone-50 watts SPC522: 5.25" Single Point Stereo, Poly Mica cone & 2.5" neodymium mylar dome tweeter-50 watts SPC550: 5.25" Poly Mica cone & .5" pivoting neodymium mylar dome tweeter-60 watts SPC622: 6.5" Single Point Stereo, Poly Mica cone & 2.75" neodymium mylar dome tweeter-60 watts SPC623: 6.5" Single Point Stereo, Poly Mica cone & .75" pivoting neodymium mylar dome tweeter-75 watts SPC650: 6.5" Poly Mica cone & .75" pivoting neodymium mylar dome tweeter-60 watts