diff --git a/src/Dexed.ttl b/src/Dexed.ttl
index bfbfe91..6901e3c 100644
--- a/src/Dexed.ttl
+++ b/src/Dexed.ttl
@@ -73,7 +73,7 @@
         lv2:name "Output" ;
         lv2:default 1.000000 ;
         lv2:minimum 0.0 ;
-        lv2:maximum 1.0 ;
+        lv2:maximum 2.0 ;
     ] ,
     [
         a lv2:InputPort, lv2:ControlPort ;
diff --git a/src/dexed.cpp b/src/dexed.cpp
index 7da0754..8485008 100644
--- a/src/dexed.cpp
+++ b/src/dexed.cpp
@@ -48,6 +48,13 @@ void DexedVoice::render(uint32_t from, uint32_t to)
   }
 }
 
+void DexedVoice::post_process(uint32_t from, uint32_t to)
+{
+  for (uint32_t i = from; i < to; ++i)
+  {
+    p(p_lv2_audio_out_1)[i] *= *p(p_output);
+  }
+}
 
 //==============================================================================
 
diff --git a/src/dexed.h b/src/dexed.h
index c3355a1..998e66e 100644
--- a/src/dexed.h
+++ b/src/dexed.h
@@ -54,6 +54,7 @@ class DexedVoice : public lvtk::Voice
     void off(unsigned char velocity);
     unsigned char get_key(void) const;
     void render(uint32_t from, uint32_t to);
+    void post_process(uint32_t from, uint32_t to);
 
   protected:
     unsigned char m_key;