diff --git a/device-felix.mk b/device-felix.mk
index 6a65323..cdc2e43 100644
--- a/device-felix.mk
+++ b/device-felix.mk
@@ -145,6 +145,10 @@ PRODUCT_COPY_FILES += \
 PRODUCT_PACKAGES += \
 	libspatialaudio
 
+# optimize spatializer effect
+PRODUCT_PROPERTY_OVERRIDES += \
+       audio.spatializer.effect.util_clamp_min=300
+
 # declare use of spatial audio
 PRODUCT_PROPERTY_OVERRIDES += \
        ro.audio.spatializer_enabled=true