diff --git a/main/boards/atoms3r-echo-base/config.h b/main/boards/atoms3r-echo-base/config.h
index 631caa49..d519c2ee 100644
--- a/main/boards/atoms3r-echo-base/config.h
+++ b/main/boards/atoms3r-echo-base/config.h
@@ -8,7 +8,6 @@
 #define AUDIO_INPUT_REFERENCE    true
 #define AUDIO_INPUT_SAMPLE_RATE  24000
 #define AUDIO_OUTPUT_SAMPLE_RATE 24000
-#define AUDIO_DEFAULT_OUTPUT_VOLUME 80
 
 #define AUDIO_I2S_GPIO_MCLK GPIO_NUM_NC
 #define AUDIO_I2S_GPIO_WS GPIO_NUM_6
diff --git a/main/boards/esp-box-3/config.h b/main/boards/esp-box-3/config.h
index c88e3475..f0453048 100644
--- a/main/boards/esp-box-3/config.h
+++ b/main/boards/esp-box-3/config.h
@@ -5,7 +5,6 @@
 
 #define AUDIO_INPUT_SAMPLE_RATE  24000
 #define AUDIO_OUTPUT_SAMPLE_RATE 24000
-#define AUDIO_DEFAULT_OUTPUT_VOLUME 80
 
 #define AUDIO_INPUT_REFERENCE    true
 
diff --git a/main/boards/esp-box-3/esp_box3_board.cc b/main/boards/esp-box-3/esp_box3_board.cc
index 0805bd31..6545e6ab 100644
--- a/main/boards/esp-box-3/esp_box3_board.cc
+++ b/main/boards/esp-box-3/esp_box3_board.cc
@@ -143,7 +143,6 @@ public:
             audio_codec = new BoxAudioCodec(i2c_bus_, AUDIO_INPUT_SAMPLE_RATE, AUDIO_OUTPUT_SAMPLE_RATE,
                 AUDIO_I2S_GPIO_MCLK, AUDIO_I2S_GPIO_BCLK, AUDIO_I2S_GPIO_WS, AUDIO_I2S_GPIO_DOUT, AUDIO_I2S_GPIO_DIN,
                 AUDIO_CODEC_PA_PIN, AUDIO_CODEC_ES8311_ADDR, AUDIO_CODEC_ES7210_ADDR, AUDIO_INPUT_REFERENCE);
-            audio_codec->SetOutputVolume(AUDIO_DEFAULT_OUTPUT_VOLUME);
         }
         return audio_codec;
     }
diff --git a/main/boards/esp-sparkbot/config.h b/main/boards/esp-sparkbot/config.h
index fa9cd3d2..eacd6d37 100644
--- a/main/boards/esp-sparkbot/config.h
+++ b/main/boards/esp-sparkbot/config.h
@@ -5,7 +5,6 @@
 
 #define AUDIO_INPUT_SAMPLE_RATE  16000
 #define AUDIO_OUTPUT_SAMPLE_RATE 16000
-#define AUDIO_DEFAULT_OUTPUT_VOLUME 80
 
 #define AUDIO_INPUT_REFERENCE    false
 
diff --git a/main/boards/esp32-s3-touch-amoled-1.8/config.h b/main/boards/esp32-s3-touch-amoled-1.8/config.h
index 8b7522b0..ccb591ee 100644
--- a/main/boards/esp32-s3-touch-amoled-1.8/config.h
+++ b/main/boards/esp32-s3-touch-amoled-1.8/config.h
@@ -5,7 +5,6 @@
 
 #define AUDIO_INPUT_SAMPLE_RATE 24000
 #define AUDIO_OUTPUT_SAMPLE_RATE 24000
-#define AUDIO_DEFAULT_OUTPUT_VOLUME 90
 
 #define AUDIO_I2S_GPIO_MCLK GPIO_NUM_16
 #define AUDIO_I2S_GPIO_WS GPIO_NUM_45
diff --git a/main/boards/esp32s3-korvo2-v3/config.h b/main/boards/esp32s3-korvo2-v3/config.h
index 11d82f58..020cabb8 100644
--- a/main/boards/esp32s3-korvo2-v3/config.h
+++ b/main/boards/esp32s3-korvo2-v3/config.h
@@ -6,7 +6,6 @@
 
 #define AUDIO_INPUT_SAMPLE_RATE  24000
 #define AUDIO_OUTPUT_SAMPLE_RATE 24000
-#define AUDIO_DEFAULT_OUTPUT_VOLUME 90
 
 #define AUDIO_INPUT_REFERENCE    true
 
diff --git a/main/boards/esp32s3-korvo2-v3/esp32s3_korvo2_v3_board.cc b/main/boards/esp32s3-korvo2-v3/esp32s3_korvo2_v3_board.cc
index 9a8b311f..708ee503 100644
--- a/main/boards/esp32s3-korvo2-v3/esp32s3_korvo2_v3_board.cc
+++ b/main/boards/esp32s3-korvo2-v3/esp32s3_korvo2_v3_board.cc
@@ -122,7 +122,6 @@ public:
             audio_codec = new BoxAudioCodec(i2c_bus_, AUDIO_INPUT_SAMPLE_RATE, AUDIO_OUTPUT_SAMPLE_RATE,
                 AUDIO_I2S_GPIO_MCLK, AUDIO_I2S_GPIO_BCLK, AUDIO_I2S_GPIO_WS, AUDIO_I2S_GPIO_DOUT, AUDIO_I2S_GPIO_DIN,
                 AUDIO_CODEC_PA_PIN, AUDIO_CODEC_ES8311_ADDR, AUDIO_CODEC_ES7210_ADDR, AUDIO_INPUT_REFERENCE);
-            audio_codec->SetOutputVolume(AUDIO_DEFAULT_OUTPUT_VOLUME);
         }
         return audio_codec;
     }
diff --git a/main/boards/lichuang-c3-dev/config.h b/main/boards/lichuang-c3-dev/config.h
index 42af1c58..01304b6a 100644
--- a/main/boards/lichuang-c3-dev/config.h
+++ b/main/boards/lichuang-c3-dev/config.h
@@ -5,7 +5,6 @@
 
 #define AUDIO_INPUT_SAMPLE_RATE  24000
 #define AUDIO_OUTPUT_SAMPLE_RATE 24000
-#define AUDIO_DEFAULT_OUTPUT_VOLUME 80
 #define AUDIO_INPUT_REFERENCE    true
 
 #define AUDIO_I2S_GPIO_MCLK GPIO_NUM_10
diff --git a/main/boards/lichuang-c3-dev/lichuang_c3_dev_board.cc b/main/boards/lichuang-c3-dev/lichuang_c3_dev_board.cc
index 69ca8231..e0611d02 100644
--- a/main/boards/lichuang-c3-dev/lichuang_c3_dev_board.cc
+++ b/main/boards/lichuang-c3-dev/lichuang_c3_dev_board.cc
@@ -118,7 +118,6 @@ public:
             audio_codec = new Es8311AudioCodec(codec_i2c_bus_, I2C_NUM_0, AUDIO_INPUT_SAMPLE_RATE, AUDIO_OUTPUT_SAMPLE_RATE,
                 AUDIO_I2S_GPIO_MCLK, AUDIO_I2S_GPIO_BCLK, AUDIO_I2S_GPIO_WS, AUDIO_I2S_GPIO_DOUT, AUDIO_I2S_GPIO_DIN,
                 AUDIO_CODEC_PA_PIN, AUDIO_CODEC_ES8311_ADDR);
-            audio_codec->SetOutputVolume(AUDIO_DEFAULT_OUTPUT_VOLUME);
         }
         return audio_codec;
     }
diff --git a/main/boards/lichuang-dev/config.h b/main/boards/lichuang-dev/config.h
index 87f3e15c..bb0544df 100644
--- a/main/boards/lichuang-dev/config.h
+++ b/main/boards/lichuang-dev/config.h
@@ -5,7 +5,6 @@
 
 #define AUDIO_INPUT_SAMPLE_RATE  24000
 #define AUDIO_OUTPUT_SAMPLE_RATE 24000
-#define AUDIO_DEFAULT_OUTPUT_VOLUME 80
 
 #define AUDIO_INPUT_REFERENCE    true
 
diff --git a/main/boards/lichuang-dev/lichuang_dev_board.cc b/main/boards/lichuang-dev/lichuang_dev_board.cc
index 5bc86a2b..aaaacb39 100644
--- a/main/boards/lichuang-dev/lichuang_dev_board.cc
+++ b/main/boards/lichuang-dev/lichuang_dev_board.cc
@@ -140,7 +140,6 @@ public:
             audio_codec = new BoxAudioCodec(i2c_bus_, AUDIO_INPUT_SAMPLE_RATE, AUDIO_OUTPUT_SAMPLE_RATE,
                 AUDIO_I2S_GPIO_MCLK, AUDIO_I2S_GPIO_BCLK, AUDIO_I2S_GPIO_WS, AUDIO_I2S_GPIO_DOUT, AUDIO_I2S_GPIO_DIN,
                 GPIO_NUM_NC, AUDIO_CODEC_ES8311_ADDR, AUDIO_CODEC_ES7210_ADDR, AUDIO_INPUT_REFERENCE);
-            audio_codec->SetOutputVolume(AUDIO_DEFAULT_OUTPUT_VOLUME);
         }
         return audio_codec;
     }
diff --git a/main/boards/m5stack-core-s3/config.h b/main/boards/m5stack-core-s3/config.h
index 4929afa0..0d91f365 100644
--- a/main/boards/m5stack-core-s3/config.h
+++ b/main/boards/m5stack-core-s3/config.h
@@ -8,7 +8,6 @@
 #define AUDIO_INPUT_REFERENCE    true
 #define AUDIO_INPUT_SAMPLE_RATE  24000
 #define AUDIO_OUTPUT_SAMPLE_RATE 24000
-#define AUDIO_DEFAULT_OUTPUT_VOLUME 80
 
 #define AUDIO_I2S_GPIO_MCLK GPIO_NUM_0
 #define AUDIO_I2S_GPIO_WS GPIO_NUM_33