diff --git a/configure b/configure
index 69bdebbfba4..12bfd8e07e1 100755
--- a/configure
+++ b/configure
@@ -1707,6 +1707,7 @@ enable_x3daudio1_4
 enable_x3daudio1_5
 enable_x3daudio1_6
 enable_x3daudio1_7
+enable_xactengine3_4
 enable_xactengine3_5
 enable_xactengine3_6
 enable_xactengine3_7
@@ -16635,6 +16636,7 @@ then
     enable_x3daudio1_5=${enable_x3daudio1_5:-no}
     enable_x3daudio1_6=${enable_x3daudio1_6:-no}
     enable_x3daudio1_7=${enable_x3daudio1_7:-no}
+    enable_xactengine3_4=${enable_xactengine3_4:-no}
     enable_xactengine3_5=${enable_xactengine3_5:-no}
     enable_xactengine3_6=${enable_xactengine3_6:-no}
     enable_xactengine3_7=${enable_xactengine3_7:-no}
@@ -21367,6 +21369,7 @@ wine_fn_config_makefile dlls/x3daudio1_4 enable_x3daudio1_4
 wine_fn_config_makefile dlls/x3daudio1_5 enable_x3daudio1_5
 wine_fn_config_makefile dlls/x3daudio1_6 enable_x3daudio1_6
 wine_fn_config_makefile dlls/x3daudio1_7 enable_x3daudio1_7
+wine_fn_config_makefile dlls/xactengine3_4 enable_xactengine3_4
 wine_fn_config_makefile dlls/xactengine3_5 enable_xactengine3_5
 wine_fn_config_makefile dlls/xactengine3_6 enable_xactengine3_6
 wine_fn_config_makefile dlls/xactengine3_7 enable_xactengine3_7
diff --git a/configure.ac b/configure.ac
index dc4514e2ae2..af6513274c1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1958,6 +1958,7 @@ then
     enable_x3daudio1_5=${enable_x3daudio1_5:-no}
     enable_x3daudio1_6=${enable_x3daudio1_6:-no}
     enable_x3daudio1_7=${enable_x3daudio1_7:-no}
+    enable_xactengine3_4=${enable_xactengine3_4:-no}
     enable_xactengine3_5=${enable_xactengine3_5:-no}
     enable_xactengine3_6=${enable_xactengine3_6:-no}
     enable_xactengine3_7=${enable_xactengine3_7:-no}
@@ -3907,6 +3908,7 @@ WINE_CONFIG_MAKEFILE(dlls/x3daudio1_4)
 WINE_CONFIG_MAKEFILE(dlls/x3daudio1_5)
 WINE_CONFIG_MAKEFILE(dlls/x3daudio1_6)
 WINE_CONFIG_MAKEFILE(dlls/x3daudio1_7)
+WINE_CONFIG_MAKEFILE(dlls/xactengine3_4)
 WINE_CONFIG_MAKEFILE(dlls/xactengine3_5)
 WINE_CONFIG_MAKEFILE(dlls/xactengine3_6)
 WINE_CONFIG_MAKEFILE(dlls/xactengine3_7)
diff --git a/dlls/xactengine3_4/Makefile.in b/dlls/xactengine3_4/Makefile.in
new file mode 100644
index 00000000000..f90ca3d32cd
--- /dev/null
+++ b/dlls/xactengine3_4/Makefile.in
@@ -0,0 +1,11 @@
+MODULE    = xactengine3_4.dll
+IMPORTS   = ole32 uuid
+EXTRADEFS = -DXACT3_VER=0x0304
+PARENTSRC = ../xactengine3_7
+EXTRALIBS = $(FAUDIO_LIBS)
+EXTRAINCL = $(FAUDIO_CFLAGS)
+
+C_SRCS = \
+	xact_dll.c
+
+IDL_SRCS = xact_classes.idl
diff --git a/dlls/xactengine3_4/xactengine3_4.spec b/dlls/xactengine3_4/xactengine3_4.spec
new file mode 100644
index 00000000000..b16365d0c9f
--- /dev/null
+++ b/dlls/xactengine3_4/xactengine3_4.spec
@@ -0,0 +1,4 @@
+@ stdcall -private DllCanUnloadNow()
+@ stdcall -private DllGetClassObject(ptr ptr ptr)
+@ stdcall -private DllRegisterServer()
+@ stdcall -private DllUnregisterServer()
diff --git a/dlls/xactengine3_7/xact_classes.idl b/dlls/xactengine3_7/xact_classes.idl
index 186bc06537d..2a8eee8face 100644
--- a/dlls/xactengine3_7/xact_classes.idl
+++ b/dlls/xactengine3_7/xact_classes.idl
@@ -20,7 +20,14 @@
 
 #pragma makedep register
 
-#if XACT3_VER == 0x0305
+#if XACT3_VER == 0x0304
+[
+    helpstring("XACT3.4 Class"),
+    threading(both),
+    uuid(0977d092-2d95-4e43-8d42-9ddcc2545ed5)
+]
+coclass XACTEngine34 { interface IXACT37Engine; }
+#elif XACT3_VER == 0x0305
 [
     helpstring("XACT3.5 Class"),
     threading(both),