本帖最后由 q675153663 于 18-8-30 14:20 编辑
官网上原话是：
A word on upgrades of HEDD-192, the DA will upgrade, the AD will, but will not be tested until January 2018, the clocking will not upgrade. Clocking is very important to get the best possible sound
提升的是ADDA，时钟没升级
