diff --git a/install/config/all.sh b/install/config/all.sh
index bdd3f4ba..1656a2d5 100644
--- a/install/config/all.sh
+++ b/install/config/all.sh
@@ -47,6 +47,7 @@ run_logged $OMARCHY_INSTALL/config/hardware/intel/ipu7-camera.sh
 run_logged $OMARCHY_INSTALL/config/hardware/intel/ptl-kernel.sh
 run_logged $OMARCHY_INSTALL/config/hardware/intel/fred.sh
 run_logged $OMARCHY_INSTALL/config/hardware/intel/fix-wifi7-eht.sh
+run_logged $OMARCHY_INSTALL/config/hardware/intel/sof-firmware.sh
 
 run_logged $OMARCHY_INSTALL/config/hardware/dell/fix-xps-haptic-touchpad.sh
 
diff --git a/install/config/hardware/intel/sof-firmware.sh b/install/config/hardware/intel/sof-firmware.sh
new file mode 100644
index 00000000..36b0be95
--- /dev/null
+++ b/install/config/hardware/intel/sof-firmware.sh
@@ -0,0 +1,8 @@
+# Install Sound Open Firmware for the audio DSP on non-XPS Intel Panther
+# Lake systems. XPS PTL stays on linux-ptl, which hard-deps sof-firmware.
+# Mainline `linux` only optdeps it, so without this the DSP fails to boot
+# and only auto_null shows up in PipeWire.
+
+if omarchy-hw-intel-ptl && ! omarchy-hw-match "XPS"; then
+  omarchy-pkg-add sof-firmware
+fi
diff --git a/install/omarchy-other.packages b/install/omarchy-other.packages
index a68ecd30..e5f88998 100644
--- a/install/omarchy-other.packages
+++ b/install/omarchy-other.packages
@@ -41,6 +41,7 @@ pipewire-jack
 pipewire-pulse
 qt6-wayland
 snapper
+sof-firmware
 thermald
 webp-pixbuf-loader
 yay-debug
diff --git a/migrations/1778026496.sh b/migrations/1778026496.sh
new file mode 100644
index 00000000..d9d7b893
--- /dev/null
+++ b/migrations/1778026496.sh
@@ -0,0 +1,11 @@
+echo "Install sof-firmware on Intel Panther Lake to restore DSP audio"
+
+# linux-ptl hard-depped sof-firmware, mainline linux only optdeps it, so the
+# orphan sweep after migration 1777572869 removed it. Force explicit so a
+# subsequent orphan sweep in the same update cycle cannot take it again.
+
+if omarchy-hw-intel-ptl && ! omarchy-hw-match "XPS"; then
+  omarchy-pkg-add sof-firmware
+  sudo pacman -D --asexplicit sof-firmware >/dev/null
+  omarchy-state set reboot-required
+fi