diff --git a/MicroDexed.ino b/MicroDexed.ino
index 5ec6155..2a8ba2b 100644
--- a/MicroDexed.ino
+++ b/MicroDexed.ino
@@ -36,7 +36,7 @@
 #include "effect_modulated_delay.h"
 #include "effect_stereo_mono.h"
 #include "effect_mono_stereo.h"
-#include "sequencer_timer.h"
+#include "audio_timer.h"
 #ifdef USE_PLATEREVERB
 #include "effect_platervbstereo.h"
 #else
@@ -141,34 +141,59 @@ AudioMixer8                     drum_reverb_send_mixer_l;
   #endif
   #elif defined (I2S_AUDIO_ONLY)
   AudioOutputI2S           i2s1;
-  AudioConnection          patchCord10(stereo2mono, 0, i2s1, 0);
-  AudioConnection          patchCord11(stereo2mono, 1, i2s1, 1);
+  {stereo2mono, 0, i2s1, 0},
+  {stereo2mono, 1, i2s1, 1},
   #elif defined(TGA_AUDIO_BOARD)
   AudioOutputI2S           i2s1;
-  AudioConnection          patchCord10(stereo2mono, 0, i2s1, 0);
-  AudioConnection          patchCord11(stereo2mono, 1, i2s1, 1);
+  {stereo2mono, 0, i2s1, 0},
+  {stereo2mono, 1, i2s1, 1},
   AudioControlWM8731master wm8731_1;
   #elif defined(PT8211_AUDIO)
   AudioOutputPT8211        pt8211_1;
-  AudioConnection          patchCord10(stereo2mono, 0, pt8211_1, 0);
-  AudioConnection          patchCord11(stereo2mono, 1, pt8211_1, 1);
+  {stereo2mono, 0, pt8211_1, 0},
+  {stereo2mono, 1, pt8211_1, 1},
   #elif defined(TEENSY_DAC_SYMMETRIC)
   AudioOutputAnalogStereo  dacOut;
   AudioMixer4              invMixer;
-  AudioConnection          patchCord10(stereo2mono, 0, dacOut  , 0);
-  AudioConnection          patchCord11(stereo2mono, 1, invMixer, 0);
-  AudioConnection          patchCord12(invMixer, 0, dacOut  , 1);
+  {stereo2mono, 0, dacOut  , 0},
+  {stereo2mono, 1, invMixer, 0},
+  {invMixer, 0, dacOut  , 1},
   #elif defined(TEENSY_DAC)
   AudioOutputAnalogStereo  dacOut;
-  AudioConnection          patchCord10(stereo2mono, 0, dacOut, 0);
-  AudioConnection          patchCord11(stereo2mono, 1, dacOut, 1);
+  {stereo2mono, 0, dacOut, 0},
+  {stereo2mono, 1, dacOut, 1},
   #endif
   #ifdef AUDIO_DEVICE_USB
   AudioOutputUSB           usb1;
-  AudioConnection          patchCord13(stereo2mono, 0, usb1, 0);
-  AudioConnection          patchCord14(stereo2mono, 1, usb1, 1);
+  {stereo2mono, 0, usb1, 0},
+  {stereo2mono, 1, usb1, 1},
+  #endif
+
+  #if defined(TEENSY_AUDIO_BOARD) && defined(SGTL5000_AUDIO_THRU)
+  AudioInputI2S            i2s1in;
+  {stereo2mono, 0, audio_thru_mixer_r, 0},
+  {stereo2mono, 1, audio_thru_mixer_l, 0},
+  {i2s1in, 0, audio_thru_mixer_r, 1},
+  {i2s1in, 1, audio_thru_mixer_l, 1},
+  {audio_thru_mixer_r, 0, i2s1, 0},
+  {audio_thru_mixer_l, 0, i2s1, 1},
   #endif
 
+  #if NUM_DRUMS > 0
+  #ifdef USE_FX
+  {drum_reverb_send_mixer_r, 0, reverb_mixer_r, 2},
+  {drum_reverb_send_mixer_l, 0, reverb_mixer_l, 2},
+  {drum_mixer_r, 0, master_mixer_r, 2},
+  {drum_mixer_l, 0, master_mixer_l, 2},
+  #else
+  {drum_mixer_r, 0, master_mixer_r, 2},
+  {drum_mixer_l, 0, master_mixer_l, 2},
+  #endif
+  #endif
+
+  AudioTimer      audio_timer;
+  {reverb_mixer_r, audio_timer}
+
 */
 
 // Audio chain tail
@@ -252,8 +277,8 @@ AudioConnection          patchCord22(drum_mixer_l, 0, master_mixer_l, 2);
 #endif
 #endif
 
-AudioSequencerTimer      sequencer_timer;
-AudioConnection          patchCord25(reverb_mixer_r, sequencer_timer);
+AudioTimer               audio_timer;
+AudioConnection          patchCord25(reverb_mixer_r, audio_timer);
 
 //
 // Dynamic patching of MicroDexed objects
@@ -657,31 +682,31 @@ void setup()
 #if NUM_DEXED > 1
   for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
   {
-    master_mixer_r.gain(instance_id, 1.0);
-    master_mixer_l.gain(instance_id, 1.0);
+    master_mixer_r.gain(instance_id, VOL_MAX_FLOAT);
+    master_mixer_l.gain(instance_id, VOL_MAX_FLOAT);
   }
 #else
-  master_mixer_r.gain(0, 1.0);
-  master_mixer_l.gain(0, 1.0);
+  master_mixer_r.gain(0, VOL_MAX_FLOAT);
+  master_mixer_l.gain(0, VOL_MAX_FLOAT);
   master_mixer_r.gain(1, 0.0);
   master_mixer_l.gain(1, 0.0);
 #endif
 #if NUM_DRUMS > 0
-  master_mixer_r.gain(2, 1.0);
-  master_mixer_l.gain(2, 1.0);
+  master_mixer_r.gain(2, VOL_MAX_FLOAT);
+  master_mixer_l.gain(2, VOL_MAX_FLOAT);
 #else
   master_mixer_r.gain(2, 0.0);
   master_mixer_l.gain(2, 0.0);
 #endif
-  master_mixer_r.gain(3, 1.0);
-  master_mixer_l.gain(3, 1.0);
+  master_mixer_r.gain(3, VOL_MAX_FLOAT);
+  master_mixer_l.gain(3, VOL_MAX_FLOAT);
 
 #if defined(TEENSY_AUDIO_BOARD) && defined(SGTL5000_AUDIO_THRU)
-  audio_thru_mixer_r.gain(0, 1.0); // MD signal sum
-  audio_thru_mixer_l.gain(0, 1.0); // MD signal sum
+  audio_thru_mixer_r.gain(0, VOL_MAX_FLOAT); // MD signal sum
+  audio_thru_mixer_l.gain(0, VOL_MAX_FLOAT); // MD signal sum
 #ifdef TEENSY_AUDIO_BOARD
-  audio_thru_mixer_r.gain(1, 1.0); // I2S nput
-  audio_thru_mixer_l.gain(1, 1.0); // I2S input
+  audio_thru_mixer_r.gain(1, VOL_MAX_FLOAT); // I2S input
+  audio_thru_mixer_l.gain(1, VOL_MAX_FLOAT); // I2S input
 #else
   audio_thru_mixer_r.gain(1, 0.0);
   audio_thru_mixer_l.gain(1, 0.0);
@@ -692,8 +717,8 @@ void setup()
   audio_thru_mixer_l.gain(3, 0.0);
 #endif
 
-  sequencer_timer.set_bpm(60);
-  sequencer_timer.step_function(&testfunc);
+  audio_timer.set_bpm(60);
+  audio_timer.function(4, &testfunc);
 
 #ifdef DEBUG
   Serial.println(F("<setup end>"));
diff --git a/sequencer_timer.cpp b/audio_timer.cpp
similarity index 65%
rename from sequencer_timer.cpp
rename to audio_timer.cpp
index ffcbfaf..ef835f7 100644
--- a/sequencer_timer.cpp
+++ b/audio_timer.cpp
@@ -1,8 +1,8 @@
 #include <Audio.h>
 #include "config.h"
-#include "sequencer_timer.h"
+#include "audio_timer.h"
 
-void AudioSequencerTimer::update(void)
+void AudioTimer::update(void)
 {
   audio_block_t *in;
 
@@ -20,20 +20,23 @@ void AudioSequencerTimer::update(void)
   }
 }
 
-uint32_t AudioSequencerTimer::get_tick(void)
+uint32_t AudioTimer::get_tick(void)
 {
   return (tick);
 }
 
-void AudioSequencerTimer::set_bpm(uint8_t b)
+void AudioTimer::set_bpm(uint8_t b)
 {
   bpm = b;
 }
 
-void AudioSequencerTimer::step_function(void(*func)())
+void AudioTimer::function(uint8_t steps, void(*func)())
 {
   if (func != NULL)
+  {
     sequencer_step_function = func;
+    steps = bpm * steps / 4;
+  }
   else
     sequencer_step_function = NULL;
 }
diff --git a/sequencer_timer.h b/audio_timer.h
similarity index 71%
rename from sequencer_timer.h
rename to audio_timer.h
index 24bce3b..8fecb18 100644
--- a/sequencer_timer.h
+++ b/audio_timer.h
@@ -1,10 +1,10 @@
-#ifndef _SEQUENCER_TIMER_H_
-#define _SEQUENCER_TIMER_H_
+#ifndef _AUDIO_TIMER_H_
+#define _AUDIO_TIMER_H_
 
-class AudioSequencerTimer : public AudioStream
+class AudioTimer : public AudioStream
 {
   public:
-    AudioSequencerTimer(void):
+    AudioTimer(void):
       AudioStream(1, inputQueueArray)
     {
       tick = 0;
@@ -14,12 +14,13 @@ class AudioSequencerTimer : public AudioStream
 
     virtual uint32_t get_tick(void);
     virtual void set_bpm(uint8_t b);
-    virtual void step_function(void(*func)());
+    virtual void function(uint8_t steps, void(*func)());
     virtual void update(void);
 
   private:
     audio_block_t *inputQueueArray[1];
     uint8_t bpm;
+    uint16_t steps;
     void (*sequencer_step_function)();
     volatile uint32_t tick;
     const float beat = AUDIO_SAMPLE_RATE_EXACT / float(AUDIO_BLOCK_SAMPLES) / 60.0;
diff --git a/config.h b/config.h
index 3d63c34..d30f74f 100644
--- a/config.h
+++ b/config.h
@@ -301,8 +301,9 @@
 //*************************************************************************************************
 //* DO NO CHANGE ANYTHING BEYOND IF YOU DON'T KNOW WHAT YOU ARE DOING !!!
 //*************************************************************************************************
-#define MAX_DEXED 2 // No! - even don't think about increasing this number! IT WILL PRODUCE MASSIVE PROBLEMS!
+#define MAX_DEXED 2 // No! - even don't think about increasing this number! IT _WILL_ PRODUCE MASSIVE PROBLEMS!
 #define CONTROL_RATE_MS 50
+#define VOL_MAX_FLOAT 0.9
 
 #define EEPROM_MARKER 0x4242