WiiM ULTRA - Page 24

WiiM Ultra User Manual Version 1.2 12/30/2024
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Scenario 5: Sub Out (Powered Subwoofer)
The Sub Out interface connects to a powered subwoofer for enhanced bass.
Cable Requirement: Use an RCA mono cable with 75-ohm impedance:
Cable Connection Steps:
1. Connect one end of an RCA cable to the Sub Out port on the WiiM Ultra.
2. Connect the other end of the RCA cable to the input on your powered subwoofer.
If your subwoofer has two RCA inputs, opt for the one marked LFE or Mono.