diff --git a/app/src/main/java/com/mindmachine/mvp/session/ParameterRanges.kt b/app/src/main/java/com/mindmachine/mvp/session/ParameterRanges.kt
index f91ae30..e944325 100644
--- a/app/src/main/java/com/mindmachine/mvp/session/ParameterRanges.kt
+++ b/app/src/main/java/com/mindmachine/mvp/session/ParameterRanges.kt
@@ -13,5 +13,5 @@ object ParameterRanges {
     const val CARRIER_HZ_MAX = 1200f
 
     const val BINAURAL_HZ_MIN = 0.5f
-    const val BINAURAL_HZ_MAX = 30f
+    const val BINAURAL_HZ_MAX = 20f
 }
diff --git a/app/src/main/java/com/mindmachine/mvp/session/TimelineParameters.kt b/app/src/main/java/com/mindmachine/mvp/session/TimelineParameters.kt
index 33d451b..3db62d6 100644
--- a/app/src/main/java/com/mindmachine/mvp/session/TimelineParameters.kt
+++ b/app/src/main/java/com/mindmachine/mvp/session/TimelineParameters.kt
@@ -35,7 +35,7 @@ object TimelineParameters {
         ParameterId.BRIGHTNESS to Range(min = 0.0001f, max = 1.0f, logScale = true, units = "%"),
         ParameterId.BLINK_RATE to Range(min = 0.1f, max = 30f, logScale = true, units = "Hz"),
         ParameterId.CARRIER_FREQUENCY to Range(min = 200f, max = 1200f, logScale = true, units = "Hz"),
-        ParameterId.BINAURAL_BEAT to Range(min = 0.5f, max = 30f, logScale = true, units = "Hz"),
+        ParameterId.BINAURAL_BEAT to Range(min = 0.5f, max = 20f, logScale = true, units = "Hz"),
     )
 
     fun parameterForCurve(curve: TimelineEditorState.ActiveCurve): ParameterId {