diff --git a/libs/JSystem/include/JSystem/JAudio2/JASDSPInterface.h b/libs/JSystem/include/JSystem/JAudio2/JASDSPInterface.h
index ec2d9f6c89..9bb9eecb16 100644
--- a/libs/JSystem/include/JSystem/JAudio2/JASDSPInterface.h
+++ b/libs/JSystem/include/JSystem/JAudio2/JASDSPInterface.h
@@ -13,6 +13,11 @@
  */
 #define DSP_OUTPUT_CHANNELS 6 // Presumed 5.1 surround
 
+/**
+ * Amount of audio samples rendered by the DSP in a single sub frame.
+ */
+#define DSP_SUBFRAME_SIZE   0x50
+
 struct JASWaveInfo;
 
 namespace JASDsp {
diff --git a/libs/JSystem/src/JAudio2/JASAiCtrl.cpp b/libs/JSystem/src/JAudio2/JASAiCtrl.cpp
index 4e1c296388..ec60bd9d89 100644
--- a/libs/JSystem/src/JAudio2/JASAiCtrl.cpp
+++ b/libs/JSystem/src/JAudio2/JASAiCtrl.cpp
@@ -271,11 +271,11 @@ u32 JASDriver::getSubFrames() {
 }
 
 u32 JASDriver::getDacSize() {
-    return sSubFrames * 0x50 * 2;
+    return sSubFrames * DSP_SUBFRAME_SIZE * 2;
 }
 
 u32 JASDriver::getFrameSamples() {
-    return sSubFrames * 0x50;
+    return sSubFrames * DSP_SUBFRAME_SIZE;
 }
 
 void JASDriver::mixMonoTrack(s16* buffer, u32 param_1, MixCallback param_2) {