diff --git a/radio/src/targets/t15pro/hal.h b/radio/src/targets/t15pro/hal.h
index bf0ee030d..a8b5804a0 100644
--- a/radio/src/targets/t15pro/hal.h
+++ b/radio/src/targets/t15pro/hal.h
@@ -308,6 +308,8 @@ USART6: EXTMODULE_USART
 
 // Audio
 #define AUDIO_MUTE_GPIO                GPIO_PIN(GPIOH, 4)
+#define AUDIO_MUTE_DELAY               200  // ms
+#define AUDIO_UNMUTE_DELAY             100  // ms
 #define AUDIO_OUTPUT_GPIO              GPIO_PIN(GPIOA, 4)
 #define AUDIO_DAC                      DAC1
 #define AUDIO_DMA_Stream               LL_DMA_STREAM_1
diff --git a/radio/src/targets/t22/hal.h b/radio/src/targets/t22/hal.h
index 425a8b279..ea6058519 100644
--- a/radio/src/targets/t22/hal.h
+++ b/radio/src/targets/t22/hal.h
@@ -153,6 +153,8 @@ TIM17:	  ROTARY_ENCODER_TIMER
 
 // Audio
 #define AUDIO_MUTE_GPIO                GPIO_PIN(GPIOH, 4)
+#define AUDIO_MUTE_DELAY               200  // ms
+#define AUDIO_UNMUTE_DELAY             100  // ms
 #define AUDIO_OUTPUT_GPIO              GPIO_PIN(GPIOA, 4)
 #define AUDIO_DAC                      DAC1
 #define AUDIO_DMA_Stream               LL_DMA_STREAM_1