Check Out Our Autumn Specials!

  • Description
  • Price/Add To Cart
that adds a Low Pass Filter to roll off RX audio above 4 kHz. This is already included on the  Rev D and later Assembly K3 DSPs, which are included on all  K3S radios.   


(Requires making two PCB cuts and soldering the short LPF board connections to the DSP. If you are uncomfortable making this mod, we recommend you get the complete K3DSPUPGD above. )

All K3S radios ship with DSP boards that include this change.