The new Sena SHM10-M01 has an echo on intercom

I am experiencing a background echo on the intercom function with both units having just paired a brand new pair of SMH10-M01 upgrade units - is there a solution or recommendation ?

  • One headset is paired to an iPhone as HFP only and the same one is also paired to the BMWK1600 management system,(as A2DP)  with SatNav option.
  • Iphone works fine, as does BMW music from radio or USB, and Voice commands from Sat Nav are relayed via BMW unit fine.
  • 2nd unit is only paired to the first as an intercom.

Problem is only on intercom function, using without VOX .


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