dot-nixos/system/services/pipewire.nix

{ config, pkgs, ... }:

{
  # Enable sound with pipewire.
  sound.enable = true;
  hardware.pulseaudio.enable = false;

  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
  };
}