diff --git a/data/locale/english.locale b/data/locale/english.locale
index 6474ff886..bf6dc58f3 100644
--- a/data/locale/english.locale
+++ b/data/locale/english.locale
@@ -98,6 +98,7 @@ GENRE.TRAVEL_HOBBIES.7 gardening
 GENRE.UNKNOWN unknown
 apidselector.head Select language
 audio.srs_algo Type
+audio.srs_algo_heavy Light
 audio.srs_algo_light Light
 audio.srs_algo_normal Normal
 audio.srs_iq SRS TruVolume algo
diff --git a/src/gui/audio_setup.cpp b/src/gui/audio_setup.cpp
index ec407188b..e35724472 100644
--- a/src/gui/audio_setup.cpp
+++ b/src/gui/audio_setup.cpp
@@ -87,11 +87,18 @@ const CMenuOptionChooser::keyval AUDIOMENU_ANALOGOUT_OPTIONS[AUDIOMENU_ANALOGOUT
 	{ 2, LOCALE_AUDIOMENU_MONORIGHT }
 };
 
+#ifdef BOXMODEL_APOLLO
+#define AUDIOMENU_SRS_OPTION_COUNT 3
+#else
 #define AUDIOMENU_SRS_OPTION_COUNT 2
+#endif
 const CMenuOptionChooser::keyval AUDIOMENU_SRS_OPTIONS[AUDIOMENU_SRS_OPTION_COUNT] =
 {
 	{ 0 , LOCALE_AUDIO_SRS_ALGO_LIGHT },
-	{ 1 , LOCALE_AUDIO_SRS_ALGO_NORMAL }
+	{ 1 , LOCALE_AUDIO_SRS_ALGO_NORMAL },
+#ifdef BOXMODEL_APOLLO
+	{ 2 , LOCALE_AUDIO_SRS_ALGO_HEAVY }
+#endif
 };
 
 #define AUDIOMENU_AVSYNC_OPTION_COUNT 3
diff --git a/src/system/locals.h b/src/system/locals.h
index 8ac2be9f0..82fd5576d 100644
--- a/src/system/locals.h
+++ b/src/system/locals.h
@@ -125,6 +125,7 @@ typedef enum
 	LOCALE_GENRE_UNKNOWN,
 	LOCALE_APIDSELECTOR_HEAD,
 	LOCALE_AUDIO_SRS_ALGO,
+	LOCALE_AUDIO_SRS_ALGO_HEAVY,
 	LOCALE_AUDIO_SRS_ALGO_LIGHT,
 	LOCALE_AUDIO_SRS_ALGO_NORMAL,
 	LOCALE_AUDIO_SRS_IQ,
diff --git a/src/system/locals_intern.h b/src/system/locals_intern.h
index fce38ae4d..0363b31bd 100644
--- a/src/system/locals_intern.h
+++ b/src/system/locals_intern.h
@@ -125,6 +125,7 @@ const char * locale_real_names[] =
 	"GENRE.UNKNOWN",
 	"apidselector.head",
 	"audio.srs_algo",
+	"audio.srs_algo_heavy",
 	"audio.srs_algo_light",
 	"audio.srs_algo_normal",
 	"audio.srs_iq",