Shanling Audio on Twitter: "UA1 Pro will be using new ESS Sabre ES9219C, follow up to the older ES9218p. Overall same sound and performance, with just a little bit better THD measurement.
S.M.S.L. Releases Next-Gen SU-9 PRO DAC Using ESS Sabre ES9039PRO | TechPowerUp
RaspTouch Audio Player: SABRE DAC for audiophiles by Audiophonics on Kickstarter - Open Electronics - Open Electronics
ESS Technology Introduces the SABRE PRO Series of DACs with Unprecedented 140 dB Dynamic Range | audioXpress
Sabre Hi-Fi DAC AMP ES9280c PRO ESS DSD256 to Type-C 600 omh, Audio, Portable Audio Accessories on Carousell