diff --git a/gdigi.c b/gdigi.c
index f58ede1..3c82de8 100644
--- a/gdigi.c
+++ b/gdigi.c
@@ -193,7 +193,7 @@ void set_higher_option(gint id, gint position, int type)
                               0x00, 0x00, 0x00, /* ID */
                               0x00, /* position */
                               0x00, /* value length */
-                              0x00, 0x00, /* type */
+                              0x00, 0x00, 0x00, /* type */
                               0x00, /* checksum */ 0xF7};
 
     set_type[9] = ((id & 0x80) >> 2);
@@ -232,6 +232,21 @@ void set_higher_option(gint id, gint position, int type)
         set_type[16] = calculate_checksum(set_type, 18, 16) ^ 0x07;
 
         send_data(set_type, 18);
+    } else if (type < 0xFFFFFF) {
+        set_type[9] |= 0x08; // there'll be length before value
+        if (((type & 0x80) >> 7) == 1)
+            set_type[9] |= 0x01;
+
+        set_type[13] = 0x03;
+
+        set_type[14] = ((type & 0xFF0000) >> 16);
+        set_type[15] = ((type & 0x00FF00) >> 8);
+        set_type[16] = ((type & 0x00007F));
+
+        set_type[18] = 0xF7;
+        set_type[17] = calculate_checksum(set_type, 19, 17) ^ 0x07;
+
+        send_data(set_type, 19);
     }
 }
 
diff --git a/gdigi.h b/gdigi.h
index 2218e18..591795a 100644
--- a/gdigi.h
+++ b/gdigi.h
@@ -406,6 +406,54 @@ enum {
 #define EMT240_PLATE_LIVELINESS 1933
 #define EMT240_PLATE_LEVEL 1925
 
+enum {
+  EXP_TYPE_NONE = 0,
+  EXP_TYPE_PICKUP_ENABLE = 131137,
+  EXP_TYPE_PIKCUP_TYPE = 131136,
+  EXP_TYPE_COMP_ENABLE = 262337,
+  EXP_TYPE_COMP_SUST = 262352,
+  EXP_TYPE_COMP_TONE = 262353,
+  EXP_TYPE_COMP_LEVEL = 262354,
+  EXP_TYPE_COMP_ATTACK = 262355,
+  EXP_TYPE_DIST_ENABLE = 395649,
+  EXP_TYPE_DIST_DISTORTION = 395653,
+  EXP_TYPE_DIST_FILTER = 395654,
+  EXP_TYPE_DIST_VOLUME = 395655,
+  EXP_TYPE_AMP_ENABLE = 524553,
+  EXP_TYPE_AMP_GAIN = 526785,
+  EXP_TYPE_AMP_LEVEL = 526786,
+  EXP_TYPE_EQ_ENABLE = 1576076,
+  EXP_TYPE_EQ_BASS = 1576067,
+  EXP_TYPE_EQ_MID = 1576068,
+  EXP_TYPE_EQ_TREB = 1576069,
+  EXP_TYPE_GATE_ENABLE = 787137,
+  EXP_TYPE_GATE_THRESHOLD = 787142,
+  EXP_TYPE_GATE_ATTACK = 787144,
+  EXP_TYPE_GATE_RELEASE = 787145,
+  EXP_TYPE_GATE_ATTN = 787146,
+  EXP_TYPE_CHORUSFX_ENABLE = 918273,
+  EXP_TYPE_PHASER_SPEED = 918466,
+  EXP_TYPE_PHASER_DEPTH = 918467,
+  EXP_TYPE_PHASER_REGEN = 918470,
+  EXP_TYPE_PHASER_WAVEFORM = 918471,
+  EXP_TYPE_PHASER_LEVEL = 918469,
+  EXP_TYPE_DELAY_ENABLE = 984897,
+  EXP_TYPE_DELAY_TIME = 984928,
+  EXP_TYPE_DELAY_REPEATS = 984903,
+  EXP_TYPE_DELAY_LEVEL = 984900,
+  EXP_TYPE_DELAY_DUCK_THRESH = 984929,
+  EXP_TYPE_DELAY_DUCK_LEVEL = 984930,
+  EXP_TYPE_REVERB_ENABLE = 1050497,
+  EXP_TYPE_REVERB_LEVEL = 1050501,
+  EXP_TYPE_VOLUME_PRE_FX = 854594,
+  EXP_TYPE_VOLUME_POST_FX = 1116738
+};
+
+#define EXP_TYPE 8194
+#define EXP_POSITION 19
+
+void set_option(guint id, guint position, guint value);
+void set_higher_option(gint id, gint position, int type);
 void set_wah_min(int level);
 void set_wah_max(int level);
 void set_wah_level(int level);
diff --git a/tests.c b/tests.c
index d39f2da..b8141b9 100644
--- a/tests.c
+++ b/tests.c
@@ -620,6 +620,50 @@ void test_reverb()
     set_reverb_on_off(FALSE);
 }
 
+void test_exp()
+{
+    set_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_NONE);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_PICKUP_ENABLE);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_PIKCUP_TYPE);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_COMP_ENABLE);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_COMP_SUST);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_COMP_TONE);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_COMP_LEVEL);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_COMP_ATTACK);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_DIST_ENABLE);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_DIST_DISTORTION);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_DIST_FILTER);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_DIST_VOLUME);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_AMP_ENABLE);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_AMP_GAIN);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_AMP_LEVEL);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_EQ_ENABLE);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_EQ_BASS);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_EQ_MID);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_EQ_TREB);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_GATE_ENABLE);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_GATE_THRESHOLD);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_GATE_ATTACK);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_GATE_RELEASE);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_GATE_ATTN);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_CHORUSFX_ENABLE);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_PHASER_SPEED);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_PHASER_DEPTH);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_PHASER_REGEN);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_PHASER_WAVEFORM);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_PHASER_LEVEL);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_DELAY_ENABLE);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_DELAY_TIME);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_DELAY_REPEATS);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_DELAY_LEVEL);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_DELAY_DUCK_THRESH);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_DELAY_DUCK_LEVEL);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_REVERB_ENABLE);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_REVERB_LEVEL);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_VOLUME_PRE_FX);
+    set_higher_option(EXP_TYPE, EXP_POSITION, EXP_TYPE_VOLUME_POST_FX);
+}
+
 void test_all()
 {
     test_wah();