nixos/modules/audio.nix

{ ... }:
{
  # Enable sound with pipewire.
  sound.enable = false;
  hardware.bluetooth.enable = true;
  hardware.pulseaudio.enable = false;
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    audio.enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
    jack.enable = true;
  };
}