WiiM Ultra User Manual Version 1.2 12/30/2024
25
Connect the WiiM Ultra’s Audio Input
The WiiM Ultra features four distinct audio input interfaces:
⚫ Analog Line In
⚫ Digital Optical In (TOSLINK)
⚫ HDMI ARC
⚫ Phono In
The WiiM Ultra acts as both a preamplifier and a network audio transmitter via Wi-Fi or
Ethernet. You can stream analog audio inputs from sources such as CD players, vinyl
players, TVs, or computers to any other WiiM devices, either individually or in multiple
combinations.
In addition to physical input interfaces mentioned above, you can also stream audio from
an external device (e.g., smartphones or tablets) to the WiiM Ultra via Bluetooth. For
detailed instructions, see Audio Input via Bluetooth.
Note: The Optical In and HDMI ARC interfaces on the WiiM Ultra only support PCM and
Dolby Digital 5.1 audio formats. Please ensure that the audio source device connected
to the WiiM Ultra is set to output audio in PCM or Dolby Digital 5.1 format. Otherwise,
you may not hear sound.
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