PS Audio For over four decades, PS Audio has been at the forefront of high-end audio innovation, designing and handcrafting cutting-edge components in Boulder, Colorado. Renowned worldwide for their dedication to sonic purity, PS Audio creates high-fidelity equipment for discerning audiophiles and industry professionals alike. From power regeneration to advanced DACs and amplifiers, every product reflects a commitment to elevating the listening experience through precision engineering and passion for music.