For high-resolution audio, your SHIELD TV supports USB-powered devices such as a DAC. SHIELD TV will play audio sampled at the highest sample rate of 192 kHz and a bit depth of 24-bits as long as it is supported by the USB DAC.
Connect the DAC to SHIELD TV with the USB cable supplied with the DAC.
Connect the analog audio output ports on your DAC to an AV receiver or speaker system.
Connect the optical output port on your TV to the optical input port on your DAC.
Connect the analog audio output ports on your DAC to an AV receiver or speaker system.
Connect the USB input port to an external AC power supply.