diff --git a/wled00/util.cpp b/wled00/util.cpp
index cf04aa5d..b8dea255 100644
--- a/wled00/util.cpp
+++ b/wled00/util.cpp
@@ -503,8 +503,8 @@ um_data_t* simulateSound(uint8_t simulationId)
   }
 
   samplePeak    = random8() > 250;
-  FFT_MajorPeak = volumeSmth;
-  maxVol        = 10;  // this gets feedback fro UI
+  FFT_MajorPeak = 21 + (volumeSmth*volumeSmth) / 8.0f; // walk thru full range of 21hz...8200hz
+  maxVol        = 31;  // this gets feedback fro UI
   binNum        = 8;   // this gets feedback fro UI
   volumeRaw = volumeSmth;
   my_magnitude = 10000.0 / 8.0f; //no idea if 10000 is a good value for FFT_Magnitude ???