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;
  };

  environment.etc."wireplumber/bluetooth.lua.d/51-bluez-config.lua".text = ''
    bluez_monitor.properties = {
      ["bluez5.enable-sbc-xq"] = true,
      ["bluez5.enable-msbc"] = true,
      ["bluez5.enable-hw-volume"] = true,
      ["bluez5.headset-roles"] = "[ hsp_hs hsp_ag hfp_hf hfp_ag ]"
    }
  '';
}