Index: /trunk/src/VBox/Devices/Audio/DrvAudio.cpp
===================================================================
--- /trunk/src/VBox/Devices/Audio/DrvAudio.cpp	(revision 68355)
+++ /trunk/src/VBox/Devices/Audio/DrvAudio.cpp	(revision 68356)
@@ -1291,5 +1291,5 @@
         if (cfToPlay)
         {
-            uint8_t auBuf[256]; /** @todo Get rid of this here. */
+            uint8_t auBuf[_4K]; /** @todo Get rid of this here. */
 
             uint32_t cbLeft  = AUDIOMIXBUF_F2B(&pHstStream->MixBuf, cfToPlay);
@@ -1385,5 +1385,5 @@
             cfToPlay = cfWritable;
 
-        PDMAUDIOFRAME aFrameBuf[256]; /** @todo Get rid of this here. */
+        PDMAUDIOFRAME aFrameBuf[_4K]; /** @todo Get rid of this here. */
 
         uint32_t cfLeft = cfToPlay;