diff --git a/dlls/mfmediaengine/main.c b/dlls/mfmediaengine/main.c
index e3da2fa0752..925d9c3566e 100644
--- a/dlls/mfmediaengine/main.c
+++ b/dlls/mfmediaengine/main.c
@@ -159,6 +159,7 @@ struct media_engine
         IMFPresentationDescriptor *pd;
     } presentation;
     struct effects video_effects;
+    struct effects audio_effects;
     struct
     {
         LONGLONG pts;
@@ -1274,7 +1275,10 @@ static HRESULT media_engine_create_topology(struct media_engine *engine, IMFMedi
             {
                 IMFTopology_AddNode(topology, audio_src);
                 IMFTopology_AddNode(topology, sar_node);
-                IMFTopologyNode_ConnectOutput(audio_src, 0, sar_node, 0);
+
+                if (FAILED(hr = media_engine_create_effects(engine->audio_effects.effects, engine->audio_effects.count,
+                        audio_src, sar_node, topology)))
+                    WARN("Failed to create audio effect nodes, hr %#lx.\n", hr);
             }
 
             if (sar_node)
@@ -1453,6 +1457,7 @@ static void free_media_engine(struct media_engine *engine)
         IMFAttributes_Release(engine->attributes);
     if (engine->resolver)
         IMFSourceResolver_Release(engine->resolver);
+    media_engine_clear_effects(&engine->audio_effects);
     media_engine_clear_effects(&engine->video_effects);
     media_engine_release_video_frame_resources(engine);
     media_engine_clear_presentation(engine);
@@ -2700,9 +2705,16 @@ static HRESULT WINAPI media_engine_InsertVideoEffect(IMFMediaEngineEx *iface, IU
 
 static HRESULT WINAPI media_engine_InsertAudioEffect(IMFMediaEngineEx *iface, IUnknown *effect, BOOL is_optional)
 {
-    FIXME("%p, %p, %d stub.\n", iface, effect, is_optional);
+    struct media_engine *engine = impl_from_IMFMediaEngineEx(iface);
+    HRESULT hr = S_OK;
 
-    return E_NOTIMPL;
+    TRACE("%p, %p, %d.\n", iface, effect, is_optional);
+
+    EnterCriticalSection(&engine->cs);
+    hr = media_engine_insert_effect(engine, &engine->audio_effects, effect, is_optional);
+    LeaveCriticalSection(&engine->cs);
+
+    return hr;
 }
 
 static HRESULT WINAPI media_engine_RemoveAllEffects(IMFMediaEngineEx *iface)
diff --git a/dlls/mfmediaengine/tests/mfmediaengine.c b/dlls/mfmediaengine/tests/mfmediaengine.c
index 8b4d06a3bd5..aa9de414fcb 100644
--- a/dlls/mfmediaengine/tests/mfmediaengine.c
+++ b/dlls/mfmediaengine/tests/mfmediaengine.c
@@ -1844,12 +1844,12 @@ static void test_effect(void)
     ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
 
     hr = IMFMediaEngineEx_InsertAudioEffect(media_engine_ex, (IUnknown *)&audio_effect->IMFTransform_iface, FALSE);
-    todo_wine ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
-    todo_wine EXPECT_REF(&audio_effect->IMFTransform_iface, 2);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    EXPECT_REF(&audio_effect->IMFTransform_iface, 2);
 
     hr = IMFMediaEngineEx_InsertAudioEffect(media_engine_ex, (IUnknown *)&audio_effect2->IMFTransform_iface, FALSE);
-    todo_wine ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
-    todo_wine EXPECT_REF(&audio_effect2->IMFTransform_iface, 2);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    EXPECT_REF(&audio_effect2->IMFTransform_iface, 2);
 
     url = SysAllocString(L"i420-64x64.avi");
     hr = IMFMediaEngineEx_SetSourceFromByteStream(media_engine_ex, stream, url);
@@ -1875,9 +1875,7 @@ static void test_effect(void)
 
     if (SUCCEEDED(hr = MFCreateAudioRenderer(NULL, &sink)))
     {
-        todo_wine
         ok(audio_effect->processing_count > 0, "Unexpected processing count %lu.\n", audio_effect->processing_count);
-        todo_wine
         ok(audio_effect2->processing_count > 0, "Unexpected processing count %lu.\n", audio_effect2->processing_count);
 
         IMFMediaSink_Release(sink);
@@ -1905,12 +1903,12 @@ done:
     if (audio_effect2)
     {
         ref = IMFTransform_Release(&audio_effect2->IMFTransform_iface);
-        ok(!ref, "Unexpected ref %lu.\n", ref);
+        todo_wine ok(!ref, "Unexpected ref %lu.\n", ref);
     }
     if (audio_effect)
     {
         ref = IMFTransform_Release(&audio_effect->IMFTransform_iface);
-        ok(!ref, "Unexpected ref %lu.\n", ref);
+        todo_wine ok(!ref, "Unexpected ref %lu.\n", ref);
     }
 
     if (video_effect2)