diff --git a/firmware/application/audio.cpp b/firmware/application/audio.cpp
index 958daad2..4ba23acc 100644
--- a/firmware/application/audio.cpp
+++ b/firmware/application/audio.cpp
@@ -26,6 +26,7 @@
 using portapack::clock_manager;
 
 #include "portapack_hal.hpp"
+#include "portapack_persistent_memory.hpp"
 
 #include "i2s.hpp"
 using namespace lpc43xx;
@@ -153,6 +154,16 @@ void unmute() {
 	audio_codec->headphone_enable();
 }
 
+void speaker_mute() {
+ 	i2s::i2s0::tx_mute();
+ 	audio_codec->speaker_disable();
+ }
+
+ void speaker_unmute() {
+ 	i2s::i2s0::tx_unmute();
+ 	audio_codec->speaker_enable();
+ }
+
 } /* namespace output */
 
 namespace input {
diff --git a/firmware/application/audio.hpp b/firmware/application/audio.hpp
index 06e7c92a..b02e42aa 100644
--- a/firmware/application/audio.hpp
+++ b/firmware/application/audio.hpp
@@ -41,6 +41,9 @@ public:
 	virtual bool reset() = 0;
 	virtual void init() = 0;
 
+	virtual void speaker_enable() = 0;
+ 	virtual void speaker_disable() = 0;
+
 	virtual void headphone_enable() = 0;
 	virtual void headphone_disable() = 0;
 	virtual volume_range_t headphone_gain_range() const = 0;
@@ -62,6 +65,9 @@ void stop();
 void mute();
 void unmute();
 
+void speaker_mute();
+void speaker_unmute();
+
 } /* namespace output */
 
 namespace input {
@@ -79,6 +85,14 @@ void set_volume(const volume_t volume);
 
 } /* namespace headphone */
 
+namespace speaker {
+
+volume_range_t volume_range();
+
+void set_volume(const volume_t volume);
+
+} /* namespace speaker */
+
 namespace debug {
 
 size_t reg_count();
diff --git a/firmware/common/wm8731.hpp b/firmware/common/wm8731.hpp
index 0d1b15b7..a5c8908b 100644
--- a/firmware/common/wm8731.hpp
+++ b/firmware/common/wm8731.hpp
@@ -341,6 +341,10 @@ public:
 		headphone_mute();
 	}
 
+	void speaker_enable() {};
+ 	void speaker_disable() {};
+
+
 	void microphone_enable() override {
 		// TODO: Implement
 	}