OPERATION
•
Press the USB/SPDIF button to select the input mode required.
•
The LED will illuminate blue for USB and green for SPDIF input.
USB
•
Connect the headphone amplifier to the input device (PC or USB equipped OTG
phone).
•
Connect your headphones to the output jack socket.
•
Rotate the volume control to turn the amplifier on and your source device will
recognise the amplifier as an external sound card.
•
Adjust the volume level as required.
SPDIF
•
Connect an SPDF source device to the SPDIF input socket and provide a 5VDC
power supply to the USB input using the supplied USB cable.
•
Connect your headphones to the output jack socket.
•
Rotate the volume control to switch the amplifier on.
•
Adjust the volume level as required.
•
Alternatively to headphones, connect an external line level device to the output jack.
•
Use a soft cloth to wipe off any dust. If the device is very dirty, use a damp cloth and
wipe dry.
•
Do not use any chemicals, abrasives or solvents that could damage the casing.
MAINTENANCE
