WiiM Amp Pro - Page 21

WiiM Amp Pro User Manual Version 1.2 1/21/2025
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Scenario 2: Sub Out (Powered Subwoofer)
The Sub Out interface on the WiiM Amp Pro 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 Amp Pro.
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.