diff --git a/usermods/audioreactive/audio_reactive.h b/usermods/audioreactive/audio_reactive.h
index d725186b..724915d3 100644
--- a/usermods/audioreactive/audio_reactive.h
+++ b/usermods/audioreactive/audio_reactive.h
@@ -151,11 +151,18 @@ static unsigned long sampleTime = 0;
 #endif
 
 // Table of multiplication factors so that we can even out the frequency response.
-#define MAX_PINK 2  // 0 = standard, 1= line-in (pink moise only), 2 = IMNP441, ...
-static float fftResultPink[MAX_PINK+1][NUM_GEQ_CHANNELS] = { 
+#define MAX_PINK 6  // 0 = standard, 1= line-in (pink moise only), 2..4 = IMNP441, 5 = ICS-43434, 6 = flat (no pink noise adjustment)
+static const float fftResultPink[MAX_PINK+1][NUM_GEQ_CHANNELS] = { 
           { 1.70f, 1.71f, 1.73f, 1.78f, 1.68f, 1.56f, 1.55f, 1.63f, 1.79f, 1.62f, 1.80f, 2.06f, 2.47f, 3.35f, 6.83f, 9.55f },  // default from SR WLED
-          { 1.30f, 1.32f, 1.40f, 1.46f, 1.52f, 1.57f, 1.68f, 1.80f, 1.89f, 2.00f, 2.11f, 2.21f, 2.30f, 2.39f, 3.09f, 4.34f },  // pink noise adjustment only. Good for line-in when there is nomicrophone distortion
-          { 2.60f, 2.20f, 1.30f, 1.15f, 1.35f, 2.05f, 2.90f, 2.24f, 2.00f, 2.00f, 2.55f, 2.90f, 2.70f, 2.05f, 4.50f, 8.85f }   // optimized for IMNP441
+          { 1.30f, 1.32f, 1.40f, 1.46f, 1.52f, 1.57f, 1.68f, 1.80f, 1.89f, 2.00f, 2.11f, 2.21f, 2.30f, 2.39f, 3.09f, 4.34f },  // pink noise adjustment only. Good for line-in, without microphone distortion
+
+          { 1.82f, 1.72f, 1.70f, 1.50f, 1.52f, 1.57f, 1.68f, 1.80f, 1.89f, 2.00f, 2.11f, 2.21f, 2.30f, 2.90f, 3.86f, 6.29f },  // IMNP441 datasheet response profile * pink noise
+          { 12.0f, 6.60f, 2.60f, 1.15f, 1.35f, 2.05f, 2.85f, 2.50f, 2.85f, 3.30f, 2.25f, 4.35f, 3.80f, 3.75f, 6.50f, 9.00f },  // IMNP441 - voice, or small speaker
+          { 2.80f, 2.20f, 1.30f, 1.15f, 1.55f, 2.45f, 4.20f, 2.80f, 3.20f, 3.60f, 4.20f, 4.90f, 5.70f, 6.05f,10.50f,14.85f},   // IMNP441 - big speaker, strong bass
+
+          { 2.34f, 1.60f, 1.40f, 1.46f, 1.52f, 1.57f, 1.68f, 1.80f, 1.89f, 2.00f, 2.11f, 2.21f, 2.30f, 2.15f, 2.55f, 2.90f },  // ICS-43434 datasheet response * pink noise
+
+          { 2.38f, 2.18f, 2.07f, 1.70f, 1.70f, 1.70f, 1.70f, 1.70f, 1.70f, 1.70f, 1.70f, 1.70f, 2.07f, 1.70f, 2.13f, 2.47f }   // FLAT (IMNP441)
 };
 
 // Create FFT object
@@ -329,10 +336,13 @@ void FFTcode(void * parameter)
       if(fftCalc[i] > fftAvg[i])   // rise fast 
         fftAvg[i] = fftCalc[i] *0.75f + 0.25f*fftAvg[i];  // will need approx 2 cycles (50ms) for converging against fftCalc[i]
       else {                       // fall slow
-        if (decayTime < 1000) fftAvg[i] = fftCalc[i]*0.22f + 0.78f*fftAvg[i];       // approx  5 cycles (225ms) for falling to zero
+        if (decayTime < 250)      fftAvg[i] = fftCalc[i]*0.4f + 0.6f*fftAvg[i]; 
+        else if (decayTime < 500)  fftAvg[i] = fftCalc[i]*0.33f + 0.67f*fftAvg[i]; 
+        else if (decayTime < 1000) fftAvg[i] = fftCalc[i]*0.22f + 0.78f*fftAvg[i];  // approx  5 cycles (225ms) for falling to zero
         else if (decayTime < 2000) fftAvg[i] = fftCalc[i]*0.17f + 0.83f*fftAvg[i];  // default - approx  9 cycles (225ms) for falling to zero
         else if (decayTime < 3000) fftAvg[i] = fftCalc[i]*0.14f + 0.86f*fftAvg[i];  // approx 14 cycles (350ms) for falling to zero
-        else fftAvg[i] = fftCalc[i]*0.1f  + 0.9f*fftAvg[i];                         // approx 20 cycles (500ms) for falling to zero
+        else if (decayTime < 4000) fftAvg[i] = fftCalc[i]*0.1f  + 0.9f*fftAvg[i];
+        else fftAvg[i] = fftCalc[i]*0.05f  + 0.95f*fftAvg[i];
       }
       // constrain internal vars - just to be sure
       fftCalc[i] = constrain(fftCalc[i], 0.0f, 1023.0f);
@@ -1598,9 +1608,13 @@ class AudioReactive : public Usermod {
       oappend(SET_F("addOption(dd,'Logarithmic (Loudness)',1);"));
 
       oappend(SET_F("dd=addDropdown('AudioReactive','Frequency:Profile');"));
-      oappend(SET_F("addOption(dd,'standard',0);"));
+      oappend(SET_F("addOption(dd,'Standard',0);"));
       oappend(SET_F("addOption(dd,'Line-In',1);"));
-      oappend(SET_F("addOption(dd,'IMNP441',2);"));
+      oappend(SET_F("addOption(dd,'IMNP441 (datasheet)',2);"));
+      oappend(SET_F("addOption(dd,'IMNP441 (small speaker)',3);"));
+      oappend(SET_F("addOption(dd,'IMNP441 (big speaker)',4);"));
+      oappend(SET_F("addOption(dd,'ICS-43434  (datasheet)',5);"));
+      oappend(SET_F("addOption(dd,'flat',6);"));
 
       oappend(SET_F("dd=addDropdown('AudioReactive','sync:mode');"));
       oappend(SET_F("addOption(dd,'Off',0);"));