Gustard is the first few developer using the ESS Technology ES9018 chipset in China. In 2012, Gustard has produce the well know DAC-X10 which had achieve good comments from audiophiles. And after 2 years, the new DAC-X12 was built based on DAC-X10 but had been restructured.
The new X12 is using ES9018 Sabre Reference 32bit , compile with XMOS 32bit/500MIPS high performance digital signal processing unit. The X12 is also have IIS digital input and Coaxial & AES/EBU input support DOP64.