diff --git a/device-oriole.mk b/device-oriole.mk
index 99cd6ea..4c5ce70 100644
--- a/device-oriole.mk
+++ b/device-oriole.mk
@@ -167,3 +167,7 @@
 PRODUCT_PACKAGES += \
 	android.hardware.bluetooth@1.1-service.bcmbtlinux \
 	bt_vendor.conf
+
+# Override default distortion output gain according to UX experiments
+PRODUCT_PRODUCT_PROPERTIES += \
+    vendor.audio.hapticgenerator.distortion.output.gain=0.5
diff --git a/device-raven.mk b/device-raven.mk
index 241ab91..71655bf 100644
--- a/device-raven.mk
+++ b/device-raven.mk
@@ -168,3 +168,7 @@
 PRODUCT_PACKAGES += \
 	android.hardware.bluetooth@1.1-service.bcmbtlinux \
 	bt_vendor.conf
+
+# Override default distortion output gain according to UX experiments
+PRODUCT_PRODUCT_PROPERTIES += \
+    vendor.audio.hapticgenerator.distortion.output.gain=0.5