diff --git a/MicroDexed.ino b/MicroDexed.ino
index bfd2d36..6f2dcc4 100644
--- a/MicroDexed.ino
+++ b/MicroDexed.ino
@@ -268,11 +268,14 @@ void setup()
 #endif
 
 #ifdef DEBUG
+  char version_string[LCD_cols + 1];
+  generate_version_string(version_string, sizeof(version_string));
+  
   Serial.println(F("MicroDexed based on https://github.com/asb2m10/dexed"));
   Serial.println(F("(c)2018-2020 H. Wirtz <wirtz@parasitstudio.de>"));
   Serial.println(F("https://codeberg.org/dcoredump/MicroDexed"));
   Serial.print(F("Version: "));
-  Serial.println(VERSION);
+  Serial.println(version_string);
   Serial.print(F("CPU-Speed: "));
   Serial.print(F_CPU / 1000000.0, 1);
   Serial.println(F(" MHz"));
@@ -329,6 +332,7 @@ void setup()
 
 #if defined(TEENSY_AUDIO_BOARD)
   sgtl5000_1.enable();
+  sgtl5000_1.lineOutLevel(sgtl5000_level);
   sgtl5000_1.dacVolumeRamp();
   sgtl5000_1.dacVolume(1.0);
   //sgtl5000_1.dacVolumeRampLinear();
@@ -337,7 +341,6 @@ void setup()
   sgtl5000_1.unmuteLineout();
   sgtl5000_1.autoVolumeDisable(); // turn off AGC
   sgtl5000_1.volume(0.5, 0.5); // Headphone volume
-  sgtl5000_1.lineOutLevel(sgtl5000_level);
   sgtl5000_1.audioPostProcessorEnable();
   sgtl5000_1.autoVolumeControl(1, 1, 1, 0.9, 0.01, 0.05);
   //sgtl5000_1.autoVolumeEnable();
@@ -1384,7 +1387,7 @@ void initial_values_from_eeprom(bool init)
 
 #if defined(TEENSY_AUDIO_BOARD)
     EEPROM.get(EEPROM_SGTL5000_LINEOUT_LEVEL_ADDRESS, sgtl5000_level);
-    //sgtl5000_1.lineOutLevel(sgtl5000_level);
+    sgtl5000_1.lineOutLevel(sgtl5000_level);
 #endif
   }
 #ifdef DEBUG
@@ -1570,11 +1573,32 @@ uint32_t crc32(byte * calc_start, uint16_t calc_bytes) // base code from https:/
   return (crc);
 }
 
+void generate_version_string(char* buffer, uint8_t len)
+{
+  char tmp[3];
+  strncat(&buffer[0], VERSION, len);
+#if defined(TEENSY3_5)
+  strncat(buffer, "-3.5", 4);
+#elif defined(TEENSY3_6)
+  strncat(buffer, "-3.6", 4);
+#elif defined(TEENSY4)
+  strncat(buffer, "-4.0", 4);
+#endif
+#if defined(USE_FX)
+  strncat(buffer, "FX", 2);
+#endif
+#if defined(MAX_NOTES)
+  strncat(buffer, "-", 1);
+  itoa (MAX_NOTES, tmp, 10);
+  strncat(buffer, tmp, 2);
+#endif
+}
+
 /******************************************************************************
    DEBUG HELPER
  ******************************************************************************/
 
-#if defined (SHOW_CPU_LOAD_MSEC)
+#if defined (DEBUG) && defined (SHOW_CPU_LOAD_MSEC)
 void show_cpu_and_mem_usage(void)
 {
   uint32_t sum_xrun = 0;
diff --git a/UI.hpp b/UI.hpp
index 786bedf..f8acc8d 100644
--- a/UI.hpp
+++ b/UI.hpp
@@ -32,8 +32,6 @@
 #include "effect_stereo_mono.h"
 #include "dexed.h"
 
-#define ENCODER_USE_INTERRUPTS
-
 #include <LCDMenuLib2.h>
 #include <Encoder.h>
 
@@ -58,6 +56,8 @@ extern void strip_extension(char* s, char *target);
 extern void eeprom_write(void);
 extern bool get_voice_names_from_bank(uint8_t b, uint8_t instance_id);
 extern bool load_sysex(uint8_t b, uint8_t v);
+extern void generate_version_string(char* buffer, uint8_t len);
+
 #ifdef DISPLAY_LCD_SPI
 extern void change_disp_sd(bool d);
 #endif
@@ -2914,11 +2914,15 @@ void UI_func_information(uint8_t param)
 {
   if (LCDML.FUNC_setup())         // ****** SETUP *********
   {
+    char version_string[LCD_cols+1];
+
+    generate_version_string(version_string,sizeof(version_string));
+    
     // setup function
     lcd.setCursor(0, 0);
     lcd.print(F("MicroDexed"));
     lcd.setCursor(0, 1);
-    lcd.print(VERSION);
+    lcd.print(version_string);
   }
 
   if (LCDML.FUNC_loop())          // ****** LOOP *********
@@ -3023,8 +3027,8 @@ void UI_func_output_level(uint8_t param)
         }
       }
     }
-
     sgtl5000_1.lineOutLevel(sgtl5000_level);
+    
     lcd_display_bar_int("Output Level", sgtl5000_level, SGTL5000_LINEOUT_LEVEL_MIN, SGTL5000_LINEOUT_LEVEL_MAX, 2, false, false, false, false);
   }
 
diff --git a/config.h b/config.h
index 1bcf45a..2b26da2 100644
--- a/config.h
+++ b/config.h
@@ -59,10 +59,10 @@
 //*************************************************************************************************
 // If nothing is defined Teensy internal DAC is used as audio output device!
 // Left and right channel audio signal is presented on pins A21 and A22.
+#define TEENSY_AUDIO_BOARD
 #define AUDIO_DEVICE_USB
 //#define TEENSY_DAC
 //#define TEENSY_DAC_SYMMETRIC
-#define TEENSY_AUDIO_BOARD
 //#define I2S_AUDIO_ONLY
 //#define TGA_AUDIO_BOARD
 //#define PT8211_AUDIO
@@ -85,7 +85,7 @@
 #define MOD_FILTER_OUTPUT MOD_NO_FILTER_OUTPUT // MOD_LINKWITZ_RILEY_FILTER_OUTPUT MOD_BUTTERWORTH_FILTER_OUTPUT MOD_NO_FILTER_OUTPUT
 #define MOD_FILTER_CUTOFF_HZ 3000
 // FX-CHAIN ENABLE/DISABLE
-//#define USE_FX 1
+#define USE_FX 1
 
 //*************************************************************************************************
 //* AUDIO SOFTWARE SETTINGS
@@ -120,7 +120,7 @@
   30: 1.22 Volts p-p
   31: 1.16 Volts p-p
 */
-#define SGTL5000_LINEOUT_LEVEL 21
+#define SGTL5000_LINEOUT_LEVEL 29
 #if AUDIO_BLOCK_SAMPLES == 64
 #define AUDIO_MEM 512
 #else
@@ -179,9 +179,6 @@
 //*************************************************************************************************
 //* HARDWARE SETTINGS
 //*************************************************************************************************
-#if defined(__IMXRT1062__) //Teensy-4.0
-#define TEENSY4
-#endif
 
 // Teensy Audio Shield (not used)
 //#define SDCARD_CS_PIN    10
@@ -248,16 +245,18 @@ enum { DEXED, CHORUS, DELAY, REVERB};
 #if defined(__IMXRT1062__) //Teensy-4.0
 #undef MIDI_DEVICE_USB
 #define MAX_NOTES 16
+#define TEENSY4
 #endif
 
 #if defined(__MK66FX1M0__) // Teensy-3.6
 // Teensy-3.6 settings
 #define MIDI_DEVICE_USB_HOST 1
 #if defined(USE_FX)
-#define MAX_NOTES 11
+#define MAX_NOTES 13
 #else
 #define MAX_NOTES 16
 #endif
+#define TEENSY3_6
 #endif
 
 #if defined (__MK64FX512__)
@@ -265,6 +264,7 @@ enum { DEXED, CHORUS, DELAY, REVERB};
 #undef MIDI_DEVICE_USB_HOST
 #define MAX_NOTES 11
 #undef USE_FX
+#define TEENSY3_5
 #endif
 
 #define TRANSPOSE_FIX 24