diff --git a/Makefile.gc b/Makefile.gc
index c47acd6..a5d03db 100644
--- a/Makefile.gc
+++ b/Makefile.gc
@@ -27,8 +27,7 @@ INCLUDES 	:=  include src/platform/wii
 #---------------------------------------------------------------------------------
 
 CFLAGS  = 	-g -O3 -Wall $(MACHDEP) $(INCLUDE) \
-			-fomit-frame-pointer \
-			-Wno-unused-parameter -Wno-strict-aliasing \
+			-fomit-frame-pointer -Wno-strict-aliasing \
 			-DWORDS_BIGENDIAN
 CXXFLAGS	= $(CFLAGS)
 LDFLAGS		= -g $(MACHDEP) -Wl,-Map,$(notdir $@).map
diff --git a/Makefile.wii b/Makefile.wii
index 2861453..fd4df1b 100644
--- a/Makefile.wii
+++ b/Makefile.wii
@@ -27,8 +27,7 @@ INCLUDES 	:=  include src/platform/wii
 #---------------------------------------------------------------------------------
 
 CFLAGS  = 	-g -O3 -Wall $(MACHDEP) $(INCLUDE) \
-			-fomit-frame-pointer \
-			-Wno-unused-parameter -Wno-strict-aliasing \
+			-fomit-frame-pointer -Wno-strict-aliasing \
 			-DWORDS_BIGENDIAN
 CXXFLAGS	= $(CFLAGS)
 LDFLAGS		= -g $(MACHDEP) -Wl,-Map,$(notdir $@).map -Wl,--cref
diff --git a/src/dosbox.cpp b/src/dosbox.cpp
index 7ccba65..c8fb8fc 100644
--- a/src/dosbox.cpp
+++ b/src/dosbox.cpp
@@ -439,7 +439,7 @@ void DOSBOX_Init(void) {
 	Pbool->Set_help("Enable silent mode, sound is still emulated though.");
 
 #ifdef HW_RVL
-	Pint = secprop->Add_int("rate",Property::Changeable::OnlyAtStart,48000);
+	Pint = secprop->Add_int("rate",Property::Changeable::OnlyAtStart,32000);
 #else
 	Pint = secprop->Add_int("rate",Property::Changeable::OnlyAtStart,22050);
 #endif
@@ -448,7 +448,11 @@ void DOSBOX_Init(void) {
 
 	const char *blocksizes[] = {
 		"2048", "4096", "8192", "1024", "512", "256", 0};
+#ifdef HW_RVL
+	Pint = secprop->Add_int("blocksize",Property::Changeable::OnlyAtStart,512);
+#else
 	Pint = secprop->Add_int("blocksize",Property::Changeable::OnlyAtStart,2048);
+#endif
 	Pint->Set_values(blocksizes);
 	Pint->Set_help("Mixer block size, larger blocks might help sound stuttering but sound will also be more lagged.");
 
@@ -514,7 +518,7 @@ void DOSBOX_Init(void) {
 	Pstring->Set_help("Provider for the OPL emulation. compat or old might provide better quality (see oplrate as well).");
 
 #ifdef HW_RVL
-	Pint = secprop->Add_int("oplrate",Property::Changeable::WhenIdle,48000);
+	Pint = secprop->Add_int("oplrate",Property::Changeable::WhenIdle,32000);
 #else
 	Pint = secprop->Add_int("oplrate",Property::Changeable::WhenIdle,22050);
 #endif
@@ -527,7 +531,7 @@ void DOSBOX_Init(void) {
 	Pbool->Set_help("Enable the Gravis Ultrasound emulation.");
 
 #ifdef HW_RVL
-	Pint = secprop->Add_int("gusrate",Property::Changeable::WhenIdle,48000);
+	Pint = secprop->Add_int("gusrate",Property::Changeable::WhenIdle,32000);
 #else
 	Pint = secprop->Add_int("gusrate",Property::Changeable::WhenIdle,22050);
 #endif
@@ -558,7 +562,7 @@ void DOSBOX_Init(void) {
 	Pbool->Set_help("Enable PC-Speaker emulation.");
 
 #ifdef HW_RVL
-	Pint = secprop->Add_int("pcrate",Property::Changeable::WhenIdle,48000);
+	Pint = secprop->Add_int("pcrate",Property::Changeable::WhenIdle,32000);
 #else
 	Pint = secprop->Add_int("pcrate",Property::Changeable::WhenIdle,22050);
 #endif
@@ -572,7 +576,7 @@ void DOSBOX_Init(void) {
 	Pstring->Set_help("Enable Tandy Sound System emulation. For 'auto', emulation is present only if machine is set to 'tandy'.");
 
 #ifdef HW_RVL
-	Pint = secprop->Add_int("tandyrate",Property::Changeable::WhenIdle,48000);
+	Pint = secprop->Add_int("tandyrate",Property::Changeable::WhenIdle,32000);
 #else
 	Pint = secprop->Add_int("tandyrate",Property::Changeable::WhenIdle,22050);
 #endif
diff --git a/src/gui/sdlmain.cpp b/src/gui/sdlmain.cpp
index 22317f7..14dcf90 100644
--- a/src/gui/sdlmain.cpp
+++ b/src/gui/sdlmain.cpp
@@ -1225,7 +1225,7 @@ void GFX_LosingFocus(void) {
 }
 
 void GFX_Events() {
-#ifdef HWRVL
+#ifdef HW_RVL
 	// check for home button
 	u32 btns;
 	for(int i=0; i<4; i++)
diff --git a/src/hardware/mixer.cpp b/src/hardware/mixer.cpp
index 9693a30..5a4d660 100644
--- a/src/hardware/mixer.cpp
+++ b/src/hardware/mixer.cpp
@@ -639,7 +639,7 @@ void MIXER_Init(Section* sec) {
 	SDL_AudioSpec obtained;
 
 	spec.freq=mixer.freq;
-	spec.format=AUDIO_S16SYS;
+	spec.format=AUDIO_S16MSB;
 	spec.channels=2;
 	spec.callback=MIXER_CallBack;
 	spec.userdata=NULL;