ESS Technology, Inc. | 2,388 followers on LinkedIn. For three decades ESS Technology has been on the cutting edge of sound technology. We’re a privately held, fabless semiconductor company that designs and markets high performance audio devices for mobile, consumer, automotive, and professional audiophile systems. Our products include the world’s highest performance 32-bit audio DACs and ADCs, plus a suite of complimentary products for state of the art audio systems.