diff --git a/device.mk b/device.mk
index c0c22c7d..2b7ed6cb 100755
--- a/device.mk
+++ b/device.mk
@@ -606,3 +606,7 @@ PRODUCT_PROPERTY_OVERRIDES += \
 # Preopt SystemUI
 PRODUCT_DEXPREOPT_SPEED_APPS += \
     SystemUIGoogle
+
+# audio effects config
+PRODUCT_PROPERTY_OVERRIDES += \
+    fmas.hdph_sgain=0