no ,i simply plug the new board on the Aes input .I 'm asking for the receiver of the A20H to match the input voltage level and don't open the unit to see by myself. Regards

I own a A20h since now 3 weeks .I'm using Jriver and had no problems in playing DSD native or DOP  . It's evident that the XMOS driver is a pirated one as the panel control has not full features and it's a not signed driver. I'm not sure even it's working properly . I 'm using an experimental...