diff --git a/src/SigmaDSP.cpp b/src/SigmaDSP.cpp
index c057f6e..88e1d7f 100644
--- a/src/SigmaDSP.cpp
+++ b/src/SigmaDSP.cpp
@@ -180,6 +180,17 @@ void SigmaDSP::volume(uint16_t startMemoryAddress, float dB)
   safeload_write(startMemoryAddress, volume);
 }
 
+/**
+ * @brief Control mute/unmute block without slew
+ *
+ * @param startMemoryAddress DSP memory address
+ * @param state true or false
+ */
+void SigmaDSP::mute(uint16_t startMemoryAddress, bool state)
+{
+  safeload_write(startMemoryAddress, state ? 0x800000 : 0);
+}
+
 /**
  * @brief Control index filters (bass, treble, ect)
  * in 28 0 format.   Please see:
diff --git a/src/SigmaDSP.h b/src/SigmaDSP.h
index 550c62a..c8f8b90 100644
--- a/src/SigmaDSP.h
+++ b/src/SigmaDSP.h
@@ -74,6 +74,7 @@ class SigmaDSP
 
     void volume_slew(uint16_t startMemoryAddress,   float dB, uint8_t slew = 12);
     void volume(uint16_t startMemoryAddress,        float dB);
+    void mute(uint16_t startMemoryAddress,          bool state);
     void dcSource(uint16_t startMemoryAddress,      uint32_t value);
     void dynamicBass(uint16_t startMemoryAddress,   float dB);
     void dynamicBass(uint16_t startMemoryAddress,   float dB, uint16_t frequency);