Fii DAC/Headphone Amplifier
O K7 is small in size and convenient to place on your desktop. The device has a nice design The aluminum housing with rounded corners allows for horizontal or vertical installation. There is a large volume control knob on the front panel as well as all necessary controls. Multi-color LED indication of operating modes makes using the device convenient and understandable. Separately, it is worth noting the beautiful circular illumination of the regulator.