WiiM Amp Pro User Manual Version 1.2 1/21/2025
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Connect the WiiM Amp Pro’s Audio Output
The WiiM Amp Pro features three distinct audio output interfaces:
⚫ Speaker Out
⚫ Sub Out
⚫ USB Out
Primarily, the WiiM Amp Pro is used to connect to passive speakers via the Speaker Out
interface and to a powered subwoofer through the Sub Out interface.
Additionally, if you want to connect a USB DAC or an amplifier with USB Audio Input, the
WiiM Amp Pro can function as a preamp using the USB Out interface
Besides audio output via the above physical interfaces, the WiiM Amp Pro can also output
audio via Bluetooth. For detailed instructions, see Audio Output via Bluetooth.