diff --git a/src/controller/controller.hxx b/src/controller/controller.hxx
index be5e993..cb6b36e 100644
--- a/src/controller/controller.hxx
+++ b/src/controller/controller.hxx
@@ -66,6 +66,9 @@ class Controller
     /// FX
     virtual void trackSend(int t, int send, float v){}
     virtual void trackSendActive(int t, int send, bool a){}
+
+    virtual void trackJackSend(int t, float v){}
+    virtual void trackJackSendActivate(int t, bool a){}
     
     /// Time
     virtual void bpm(int bpm){}
diff --git a/src/controller/genericmidi.cxx b/src/controller/genericmidi.cxx
index d6ffb29..b8d71f1 100644
--- a/src/controller/genericmidi.cxx
+++ b/src/controller/genericmidi.cxx
@@ -209,6 +209,16 @@ void GenericMIDI::trackSendActive(int t, int send, bool a)
   }
 }
 
+void GenericMIDI::trackJackSend(int t, float v)
+{
+
+}
+
+void GenericMIDI::trackJackSendActivate(int t, bool a)
+{
+
+}
+
 /*
 void GenericMIDI::progress(int t, int s, float f)
 {
diff --git a/src/controller/genericmidi.hxx b/src/controller/genericmidi.hxx
index 11482bd..f5841b4 100644
--- a/src/controller/genericmidi.hxx
+++ b/src/controller/genericmidi.hxx
@@ -75,6 +75,9 @@ class GenericMIDI : public Controller, public MidiIO
     
     void trackSend(int t, int send, float v);
     void trackSendActive(int t, int send, bool a);
+
+    virtual void trackJackSend(int t, float v);
+    virtual void trackJackSendActivate(int t, bool a);
     
     /// footswitch -> scene launch controls
     void setFootswitchToNextScene(int v);
diff --git a/src/controller/guicontroller.cxx b/src/controller/guicontroller.cxx
index 6ab9dc5..bc7a5c3 100644
--- a/src/controller/guicontroller.cxx
+++ b/src/controller/guicontroller.cxx
@@ -95,6 +95,18 @@ void LupppGUI::trackSendActive(int t, int send, bool a)
   writeToGuiRingbuffer( &e );
 }
 
+void LupppGUI::trackJackSend(int t, float v)
+{
+    EventTrackJackSend e(t,v);
+    writeToGuiRingbuffer(&e);
+}
+
+void LupppGUI::trackJackSendActivate(int t, bool a)
+{
+    EventTrackJackSendActivate e(t,a);
+    writeToGuiRingbuffer(&e);
+}
+
 void LupppGUI::setSceneState(int t, int clip, GridLogic::State s)
 {
   EventGridState e( t, clip, s );
diff --git a/src/controller/guicontroller.hxx b/src/controller/guicontroller.hxx
index 7dfab4c..f346b50 100644
--- a/src/controller/guicontroller.hxx
+++ b/src/controller/guicontroller.hxx
@@ -41,6 +41,9 @@ class LupppGUI : public Controller
     
     void trackSend(int t, int send, float r);
     void trackSendActive(int t, int send, bool a);
+
+    virtual void trackJackSend(int t, float v);
+    virtual void trackJackSendActivate(int t, bool a);
     
     void bpm(int bpm);
     void tapTempo( bool b );
diff --git a/src/controllerupdater.cxx b/src/controllerupdater.cxx
index d759185..546dcb5 100644
--- a/src/controllerupdater.cxx
+++ b/src/controllerupdater.cxx
@@ -117,7 +117,19 @@ void ControllerUpdater::setTrackSendActive(int t, int send, bool v)
 void ControllerUpdater::setTrackSend(int t, int send, float v)
 {
   for(unsigned int i = 0; i < c.size(); i++)
-    c.at(i)->trackSend(t, send, v);
+      c.at(i)->trackSend(t, send, v);
+}
+
+void ControllerUpdater::setTrackJackSendActive(int t, bool v)
+{
+    for(unsigned int i = 0; i < c.size(); i++)
+        c.at(i)->trackJackSendActivate(t, v);
+}
+
+void ControllerUpdater::setTrackJackSend(int t, float v)
+{
+    for(unsigned int i = 0; i < c.size(); i++)
+        c.at(i)->trackJackSend(t, v);
 }
 
 void ControllerUpdater::specialScene(int t, int scene)
diff --git a/src/controllerupdater.hxx b/src/controllerupdater.hxx
index aa2922d..216cb54 100644
--- a/src/controllerupdater.hxx
+++ b/src/controllerupdater.hxx
@@ -67,6 +67,9 @@ class ControllerUpdater
     void setTrackSceneProgress(int t, int s, float p);
     void setTrackSendActive(int t, int send, bool v);
     void setTrackSend(int t, int send, float v);
+
+    void setTrackJackSendActive(int t, bool v);
+    void setTrackJackSend(int t, float v);
     
     void specialScene(int t, int scene);
     
diff --git a/src/event.cxx b/src/event.cxx
index e0337f8..d8e3c3c 100644
--- a/src/event.cxx
+++ b/src/event.cxx
@@ -28,6 +28,8 @@ const char* EventMasterInputToActive::prettyName = "master:input_to_active";
 const char* EventTrackVol::prettyName = "track:volume";
 const char* EventTrackSend::prettyName = "track:send";
 const char* EventTrackSendActive::prettyName = "track:send_active";
+const char* EventTrackJackSend::prettyName = "track:jack_send";
+const char* EventTrackJackSendActivate::prettyName = "track:jack_send_activate";
 const char* EventTrackRecordArm::prettyName = "track:record_arm";
 
 const char* EventTimeBPM::prettyName = "tempo_bpm";
@@ -67,6 +69,8 @@ const char* Event::getPrettyName( int type )
     case TRACK_VOLUME:{ return EventTrackVol::prettyName; }
     case TRACK_SEND:{ return EventTrackSend::prettyName; }
     case TRACK_SEND_ACTIVE:{ return EventTrackSendActive::prettyName; }
+    case TRACK_JACKSEND:{ return EventTrackJackSend::prettyName; }
+    case TRACK_JACKSEND_ACTIVATE:{ return EventTrackJackSendActivate::prettyName; }
     case TRACK_RECORD_ARM:{ return EventTrackRecordArm::prettyName; }
     
     case TIME_BPM:{ return EventTimeBPM::prettyName; }
diff --git a/src/event.hxx b/src/event.hxx
index 74d08ca..372f3a2 100644
--- a/src/event.hxx
+++ b/src/event.hxx
@@ -84,6 +84,8 @@ namespace Event
     GRID_SELECT_NEW_CHOSEN, // a different clip is now "special"
     
     /// Track
+    TRACK_JACKSEND,
+    TRACK_JACKSEND_ACTIVATE,
     TRACK_SEND,
     TRACK_SEND_ACTIVE,
     TRACK_SIGNAL_LEVEL,
@@ -471,6 +473,22 @@ class EventTrackSend : public EventBase
     EventTrackSend(int t, SEND_TYPE s, float v): track(t), send(s), value(v){}
 };
 
+class EventTrackJackSend : public EventBase
+{
+  public:
+    int type() { return int(TRACK_JACKSEND); }
+    uint32_t size() { return sizeof(EventTrackJackSend); }
+    static const char* prettyName;
+    const char* name(){ return prettyName; }
+
+    int track;
+
+    float value;
+
+    EventTrackJackSend(){};
+    EventTrackJackSend(int t, float v): track(t), value(v){}
+};
+
 class EventTrackSendActive : public EventBase
 {
   public:
@@ -487,6 +505,20 @@ class EventTrackSendActive : public EventBase
     EventTrackSendActive(int t, SEND_TYPE s, bool a): track(t), send(s), active(a){}
 };
 
+class EventTrackJackSendActivate : public EventBase
+{
+  public:
+    int type() { return int(TRACK_JACKSEND_ACTIVATE); }
+    uint32_t size() { return sizeof(EventTrackJackSendActivate); }
+    static const char* prettyName;
+    const char* name(){ return prettyName; }
+
+    int track;
+    bool active;
+
+    EventTrackJackSendActivate(){};
+    EventTrackJackSendActivate(int t, bool a): track(t), active(a){}
+};
 class EventLooperState : public EventBase
 {
   public:
diff --git a/src/eventhandlerdsp.cxx b/src/eventhandlerdsp.cxx
index 2cd6a0d..25fbb14 100644
--- a/src/eventhandlerdsp.cxx
+++ b/src/eventhandlerdsp.cxx
@@ -287,6 +287,24 @@ void handleDspEvents()
             jack->bindingSend   = ev.send;
             jack->bindingActive = ev.active;
           } break; }
+
+      case Event::TRACK_JACKSEND_ACTIVATE: {
+          if ( availableRead >= sizeof(EventTrackJackSendActivate) ) {
+            EventTrackJackSendActivate ev;
+            jack_ringbuffer_read( rbToDsp, (char*)&ev, sizeof(EventTrackJackSendActivate) );
+            jack->getLogic()->trackJackSendActivate(ev.track,ev.active);
+            jack->bindingTrack  = ev.track;
+
+            jack->bindingActive = ev.active;
+          } break; }
+
+      case Event::TRACK_JACKSEND: {
+          if ( availableRead >= sizeof(EventTrackJackSend) ) {
+            EventTrackJackSend ev;
+            jack_ringbuffer_read( rbToDsp, (char*)&ev, sizeof(EventTrackJackSend) );
+            jack->getLogic()->trackJackSend(ev.track,ev.value);
+            jack->bindingTrack  = ev.track;
+          } break; }
         
         case Event::TRACK_SEND: {
           if ( availableRead >= sizeof(EventTrackSend) ) {
diff --git a/src/eventhandlergui.cxx b/src/eventhandlergui.cxx
index d60ea2c..9336fa0 100644
--- a/src/eventhandlergui.cxx
+++ b/src/eventhandlergui.cxx
@@ -244,6 +244,20 @@ void handleGuiEvents()
                 gui->getTrack(ev.track)->setXSide( ev.value );
               }
           } break; }
+
+      case Event::TRACK_JACKSEND: {
+          if ( availableRead >= sizeof(EventTrackJackSend) ) {
+            EventTrackJackSend ev;
+            jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventTrackJackSend) );
+            gui->getTrack(ev.track)->setJackSend(ev.value);
+          } break; }
+
+      case Event::TRACK_JACKSEND_ACTIVATE: {
+          if ( availableRead >= sizeof(EventTrackJackSendActivate) ) {
+            EventTrackJackSendActivate ev;
+            jack_ringbuffer_read( rbToGui, (char*)&ev, sizeof(EventTrackJackSendActivate) );
+            gui->getTrack(ev.track)->setJackSendActivate(ev.active);
+          } break; }
         
         case Event::TRACK_SEND_ACTIVE: {
           if ( availableRead >= sizeof(EventTrackSendActive) ) {
diff --git a/src/gtrack.cxx b/src/gtrack.cxx
index 002ec3c..c267127 100644
--- a/src/gtrack.cxx
+++ b/src/gtrack.cxx
@@ -74,7 +74,7 @@ GTrack::GTrack(int x, int y, int w, int h, const char* l ) :
   
   volume.callback( gtrack_vol_cb, this );
 
-  jackSendActivate.setColor( 0, 0.6, 1 );
+  jackSendActivate.setColor( 1, 1, 0 );
   jackSendActivate.callback(gtrack_jacksendactivate_cb,this);
   jackSendDial.align(FL_ALIGN_INSIDE);
   //volBox.color( fl_rgb_color( 0,0,0 ) );
@@ -97,6 +97,15 @@ void GTrack::setSendActive(bool a){ sendActive.value( a ); }
 void GTrack::setKeyActive(bool a){ keyActive.value( a ); }
 void GTrack::setRecordActive(bool a){ recordActive.value( a ); }
 
+void GTrack::setJackSend(float s)
+{
+    jackSendDial.value(s);
+}
+
+void GTrack::setJackSendActivate(bool a)
+{
+    jackSendActivate.value(a);
+}
 
 void gtrack_sendDial_cb(Fl_Widget *w, void *data)
 {
@@ -185,5 +194,15 @@ void gtrack_jacksendactivate_cb(Fl_Widget* w,void *data)
     Avtk::LightButton* d = (Avtk::LightButton*)w;
     bool b=d->value();
     d->value(!b);
+    if ( b < 0.5 )
+    {
+      EventTrackJackSendActivate e( track->ID, 1.0f );
+      writeToDspRingbuffer( &e );
+    }
+    else
+    {
+      EventTrackJackSendActivate e( track->ID, 0.0f );
+      writeToDspRingbuffer( &e );
+    }
 }
 
diff --git a/src/gtrack.hxx b/src/gtrack.hxx
index 64bfdb0..016424d 100644
--- a/src/gtrack.hxx
+++ b/src/gtrack.hxx
@@ -70,6 +70,8 @@ class GTrack : public Fl_Group
     void setKeyActive(bool a);
     void setRecordActive(bool a);
     
+    void setJackSend(float s);
+    void setJackSendActivate(bool a);
   
     int ID;
     
diff --git a/src/jack.cxx b/src/jack.cxx
index 456c414..d3463c6 100644
--- a/src/jack.cxx
+++ b/src/jack.cxx
@@ -326,6 +326,20 @@ TrackOutput* Jack::getTrackOutput(int t)
   return 0;
 }
 
+JackSendReturn* Jack::getJackSendReturn(int t)
+{
+  if ( t >= 0 && t < NTRACKS )
+    return tracksendreturns.at(t);
+#ifdef DEBUG_TRACKS
+  else
+  {
+    printf( "Jack::getTrackOutput() returning 0x0: invalid track requested!\n" );
+  }
+#endif
+
+  return 0;
+}
+
 
 Looper* Jack::getLooper(int t)
 {
diff --git a/src/jack.hxx b/src/jack.hxx
index bef1f2f..f0796fa 100644
--- a/src/jack.hxx
+++ b/src/jack.hxx
@@ -111,8 +111,9 @@ class Jack
     int bindingScene;
     int bindingSend;
     int bindingActive;
-  
-  private:
+
+    JackSendReturn *getJackSendReturn(int t);
+private:
     jack_client_t* client;
     
     Buffers             buffers;
diff --git a/src/jacksendreturn.cxx b/src/jacksendreturn.cxx
index b66f42f..8ab7a47 100644
--- a/src/jacksendreturn.cxx
+++ b/src/jacksendreturn.cxx
@@ -9,6 +9,7 @@ JackSendReturn::JackSendReturn(int trackid, AudioProcessor *prev, jack_client_t
     m_sendport=jack_port_register(client,name,JACK_DEFAULT_AUDIO_TYPE,JackPortIsOutput,0);
     sprintf(name, "Return_track_%d\0",trackid);
     m_returnport=jack_port_register(client,name,JACK_DEFAULT_AUDIO_TYPE,JackPortIsInput,0);
+    m_active=false;
 }
 
 void JackSendReturn::process(unsigned int nframes, Buffers *buffers)
@@ -22,17 +23,25 @@ void JackSendReturn::process(unsigned int nframes, Buffers *buffers)
     float* ret=(float*)jack_port_get_buffer(m_returnport,(jack_nframes_t)nframes);
 
     //Copy result of previous AudioProcessor to send port
-    memcpy(send,buffers->audio[Buffers::SEND_TRACK_0+m_trackid],nframes*sizeof(float));
+    //memcpy(send,buffers->audio[Buffers::SEND_TRACK_0+m_trackid],nframes*sizeof(float));
+    for(int i=0;i<nframes;i++)
+        send[i]+=m_sendvol*buffers->audio[Buffers::SEND_TRACK_0+m_trackid][i];
 
-    //Get connection status
-    bool connected=jack_port_connected(m_returnport);
-    //Is return port connected?
-    //Yes then grab the audio data from the connected port
-    //No: get the audio from the previous AudioProcessor
-    if(connected)
+
+    if(m_active)
         memcpy(buffers->audio[Buffers::RETURN_TRACK_0+m_trackid],ret,nframes*sizeof(float));
     else
         memcpy(buffers->audio[Buffers::RETURN_TRACK_0+m_trackid],
                 buffers->audio[Buffers::SEND_TRACK_0+m_trackid],nframes*sizeof(float));
 
 }
+
+void JackSendReturn::activate(bool act)
+{
+    m_active=act;
+}
+
+void JackSendReturn::sendVolume(float vol)
+{
+    m_sendvol=vol;
+}
diff --git a/src/jacksendreturn.hxx b/src/jacksendreturn.hxx
index 3d31ca2..262db94 100644
--- a/src/jacksendreturn.hxx
+++ b/src/jacksendreturn.hxx
@@ -36,7 +36,14 @@ public:
     //The process callback
     virtual void process(unsigned int nframes, Buffers* buffers);
 
+    //Activate the return chain. When m_active=true then Buffers::RETURN_TRACK_0+m_trackid gets the data
+    //from the return port. The send port always send the incoming data
+    void activate(bool act);
+    void sendVolume(float vol);
+
 private:
+    bool m_active;
+    float m_sendvol;
     jack_port_t* m_sendport;
     jack_port_t* m_returnport;
     int m_trackid;
diff --git a/src/logic.cxx b/src/logic.cxx
index 783267a..84fd3ba 100644
--- a/src/logic.cxx
+++ b/src/logic.cxx
@@ -25,7 +25,7 @@ extern Jack* jack;
 #include "controllerupdater.hxx"
 #include "trackoutput.hxx"
 #include "metronome.hxx"
-
+#include "jacksendreturn.hxx"
 Logic::Logic()
 {
   
@@ -128,6 +128,32 @@ void Logic::trackSend(int t, int send, float v)
   }
 }
 
+void Logic::trackJackSendActivate(int t, bool active)
+{
+    if ( t >= 0 && t < NTRACKS )
+    {
+      jack->getJackSendReturn(t)->activate(active);
+      jack->getControllerUpdater()->setTrackJackSendActive( t, active );
+    }
+    else
+    {
+      LUPPP_WARN("invalid track number %i: check controller map has \"track\" field.", t );
+    }
+}
+
+void Logic::trackJackSend(int t, float vol)
+{
+    if ( t >= 0 && t < NTRACKS )
+    {
+      jack->getJackSendReturn(t)->sendVolume(vol);
+      jack->getControllerUpdater()->setTrackJackSend( t, vol );
+    }
+    else
+    {
+      LUPPP_WARN("invalid track number %i: check controller map has \"track\" field.", t );
+    }
+}
+
 void Logic::looperClipLenght(int t, int s, int l)
 {
   if ( t >= 0 && t < NTRACKS )
diff --git a/src/logic.hxx b/src/logic.hxx
index 365dbba..5f15c1f 100644
--- a/src/logic.hxx
+++ b/src/logic.hxx
@@ -56,7 +56,9 @@ class Logic
     void trackRecordArm(int track, bool armed);
     void trackSendActive(int track, int send, bool active);
     void trackSend(int track, int send, float value);
-    
+
+    void trackJackSendActivate(int t, bool active);
+    void trackJackSend(int t, float vol);
     void looperUseAsTempo(int track, int scene);
     void looperClipLenght(int track, int scene, int lenght);
 };