diff --git a/audio/filters/BassBoost.dsp b/audio/filters/BassBoost.dsp
index f9349189fe..db9890526d 100644
--- a/audio/filters/BassBoost.dsp
+++ b/audio/filters/BassBoost.dsp
@@ -2,8 +2,9 @@ filters = 2
 filter0 = iir
 filter1 = panning
 
-iir_gain = 8.0
+iir_gain = 10.0
 iir_type = BBOOST
+iir_frequency = 200.0
 
 # Avoids clipping.
 panning_left_mix = "0.3 0.0"
diff --git a/audio/filters/HighShelfDampen.dsp b/audio/filters/HighShelfDampen.dsp
index 91ae302924..5768f36d7e 100644
--- a/audio/filters/HighShelfDampen.dsp
+++ b/audio/filters/HighShelfDampen.dsp
@@ -1,6 +1,7 @@
 filters = 1
 filter0 = iir
 
-iir_gain = -5.0
+iir_gain = -12.0
 iir_type = HSH
+iir_frequency = 8000.0