diff --git a/MicroDexed.ino b/MicroDexed.ino
index cc0c4b3..ceef66b 100644
--- a/MicroDexed.ino
+++ b/MicroDexed.ino
@@ -606,7 +606,7 @@ void set_volume(float v, float vr, float vl)
   //sgtl5000_1.dacVolume(vol * vol_left, vol * vol_right);
   sgtl5000_1.dacVolume(pow(vol * vol_left, 0.2), pow(vol * vol_right, 0.2));
 #else
-  volume_master.gain(pow(lvol, 0.2));
+  volume_master.gain(pow(vol, 0.2));
   volume_r.gain(pow(vr, 0.2));
   volume_l.gain(pow(vl, 0.2));
 #endif
diff --git a/addon/SD/90/RtCh1-32.syx b/addon/SD/90/RitCh1.syx
similarity index 100%
rename from addon/SD/90/RtCh1-32.syx
rename to addon/SD/90/RitCh1.syx
diff --git a/addon/SD/91/RtCh33-64.syx b/addon/SD/91/RitCh2.sys
similarity index 100%
rename from addon/SD/91/RtCh33-64.syx
rename to addon/SD/91/RitCh2.sys
diff --git a/config.h b/config.h
index 52a1598..90fbf37 100644
--- a/config.h
+++ b/config.h
@@ -42,7 +42,7 @@
 #define DEFAULT_SYSEXSOUND 0
 //#define DEXED_ENGINE DEXED_ENGINE_MODERN
 #ifndef TEENSY_AUDIO_BOARD
-#define AUDIO_MEM 16
+#define AUDIO_MEM 80
 #else
 #define AUDIO_MEM 80
 #endif