The MHA150 Headphone Amplifier is a worthy successor to the critically-acclaimed MHA100. The MHA150 contains the same feature set but with a new digital-to-analog converter (DAC) that adds support for DSD and DXD files to give you access to the latest in digital music performance.
This is a joke, right? Pairing this with your K712s is like buying a nuclear reactor to charge an e-bike.