nixos-config/system/sound.nix

{ config, lib, pkgs, ... }:

{
  hardware.pulseaudio.enable = false;
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
    jack.enable = true;
  };

  services.pipewire.wireplumber.extraConfig = {
    "monitor.bluez.properties" = {
      "bluez5.enable-sbc-xq" = true;
      "bluez5.enable-msbc" = true;
      "bluez5.enable-hw-volume" = true;
      "bluez5.roles" = [ "hsp_hs" "hsp_ag" "hfp_hf" "hfp_ag" ];
    };
  };
}