The ESS Technology ES9069 stands as a cornerstone in premium digital-to-analog conversion, delivering a transparent and musical listening experience that rewards dedicated listening across genres. As the heart of many high-end audio devices, it is engineered to reproduce the finest musical details w...

The Questyle Sigma Pro is a portable DAC and headphone amplifier featuring dual ES9069 DAC chips from ESS Technology for high-resolution audio decoding.
It incorporates Questyle's proprietary Current Mode amplification with four discrete stages, ensuring ultra-low distortion and compatibility with various headphone impedances.
The device supports PCM, DSD, and MQA decoding via an XMOS XU316 processor, including MQA-CD, making it suitable for studio monitoring.

The Shanling UA7 is a portable DAC with a vacuum tube headphone amplifier, combining advanced technology and compact design.
Equipped with the ESS Technology ES9069 DAC chip, it supports PCM decoding up to 32-bit/768kHz and DSD512 formats.
Features include a multi-functional control dial, OLED display, and USB-C power input for versatile usability.