HifiBerry AMP is just too loud by default

hi, got the AMP up and running with a problem. its just too loud for my office space out of the box. I'm streaming to it from ITunes on my windows box.

I found a similar post on here which recommended checking the mixer settings, then adjusting. however this doesn't appear to have worked.


my amixer command outputs the following.

Simple mixer control 'PCM',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback -10239 - 400
  Mono: Playback -2258 [75%] [-22.58dB] [on]

So from the previous post, I ought to be able to reduce the default volume uning the command

amixer sset "PCM" 75%

but this doesn't seem to work for me.

anyone else worked through this?




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