This Stereo is manufactured for Dynasty Spas by ProSpec. In 1986, ProSpec Electronics started manufacturing marine audio to boat manufacturers, filling a valuable need for engineered marine products as opposed to car audio. Fast forward to today, ProSpec has a valuable partnership with Harman International, providing the JBL and Infinity marine audio lines to the marine industry. These products include marine source units, amplifiers, subwoofers, speakers, and other accessories. Located in Mount Pleasant, S.C., a stone’s throw away from the ocean, we live and breathe salt air, sun, and pop up thunderstorms and thus engineer our products for those (and many other) demanding elements. Prospec also manufactures product for the portable spa, golf car and UTV markets. Different from the norm, installations have even included mining vehicles and barbecue entertainment islands!