diff --git a/build-scripts/ESP32-A1S-sdkconfig.defaults b/build-scripts/ESP32-A1S-sdkconfig.defaults
index 4c23a8fe..f7ceb09d 100644
--- a/build-scripts/ESP32-A1S-sdkconfig.defaults
+++ b/build-scripts/ESP32-A1S-sdkconfig.defaults
@@ -3,6 +3,11 @@
 # Espressif IoT Development Framework (ESP-IDF) Project Configuration
 #
 
+# DSP
+CONFIG_DSP_OPTIMIZED=y
+CONFIG_DSP_OPTIMIZATION=1
+CONFIG_DSP_MAX_FFT_SIZE_512=y
+
 # ESP32-A1S defaults (with AC101 codec)
 CONFIG_I2S_NUM=0
 CONFIG_I2C_LOCKED=y
diff --git a/build-scripts/I2S-4MFlash-sdkconfig.defaults b/build-scripts/I2S-4MFlash-sdkconfig.defaults
index 41a0b935..ccedb0f1 100644
--- a/build-scripts/I2S-4MFlash-sdkconfig.defaults
+++ b/build-scripts/I2S-4MFlash-sdkconfig.defaults
@@ -3,6 +3,12 @@
 # Espressif IoT Development Framework (ESP-IDF) Project Configuration
 #
 
+# DSP
+CONFIG_DSP_OPTIMIZED=y
+CONFIG_DSP_OPTIMIZATION=1
+CONFIG_DSP_MAX_FFT_SIZE_512=y
+
+# SqueezeESP32
 CONFIG_DISPLAY_CONFIG=""
 CONFIG_I2C_CONFIG=""
 CONFIG_SPI_CONFIG=""
diff --git a/build-scripts/NonOTA-I2S-4MFlash-sdkconfig.defaults b/build-scripts/NonOTA-I2S-4MFlash-sdkconfig.defaults
index a783b563..aef05d9e 100644
--- a/build-scripts/NonOTA-I2S-4MFlash-sdkconfig.defaults
+++ b/build-scripts/NonOTA-I2S-4MFlash-sdkconfig.defaults
@@ -3,6 +3,12 @@
 # Espressif IoT Development Framework (ESP-IDF) Project Configuration
 #
 
+# DSP
+CONFIG_DSP_OPTIMIZED=y
+CONFIG_DSP_OPTIMIZATION=1
+CONFIG_DSP_MAX_FFT_SIZE_512=y
+
+# SqueezeESP32
 CONFIG_DISPLAY_CONFIG=""
 CONFIG_I2C_CONFIG=""
 CONFIG_SPI_CONFIG=""
diff --git a/build-scripts/NonOTA-SqueezeAmp-sdkconfig.defaults b/build-scripts/NonOTA-SqueezeAmp-sdkconfig.defaults
index 4fa041ad..0baa8e9f 100644
--- a/build-scripts/NonOTA-SqueezeAmp-sdkconfig.defaults
+++ b/build-scripts/NonOTA-SqueezeAmp-sdkconfig.defaults
@@ -3,6 +3,11 @@
 # Espressif IoT Development Framework (ESP-IDF) Project Configuration
 #
 
+# DSP
+CONFIG_DSP_OPTIMIZED=y
+CONFIG_DSP_OPTIMIZATION=1
+CONFIG_DSP_MAX_FFT_SIZE_512=y
+
 # SqueezeAMP defaults
 CONFIG_JACK_LOCKED=y
 CONFIG_BAT_LOCKED=y
diff --git a/build-scripts/SqueezeAmp4MBFlash-sdkconfig.defaults b/build-scripts/SqueezeAmp4MBFlash-sdkconfig.defaults
index 6038d934..7d5dda32 100644
--- a/build-scripts/SqueezeAmp4MBFlash-sdkconfig.defaults
+++ b/build-scripts/SqueezeAmp4MBFlash-sdkconfig.defaults
@@ -3,6 +3,11 @@
 # Espressif IoT Development Framework (ESP-IDF) Project Configuration
 #
 
+# DSP
+CONFIG_DSP_OPTIMIZED=y
+CONFIG_DSP_OPTIMIZATION=1
+CONFIG_DSP_MAX_FFT_SIZE_512=y
+
 # SqueezeAMP defaults
 CONFIG_JACK_LOCKED=y
 CONFIG_BAT_LOCKED=y
diff --git a/build-scripts/SqueezeAmp8MBFlash-sdkconfig.defaults b/build-scripts/SqueezeAmp8MBFlash-sdkconfig.defaults
index f0a45d9a..cd87cd99 100644
--- a/build-scripts/SqueezeAmp8MBFlash-sdkconfig.defaults
+++ b/build-scripts/SqueezeAmp8MBFlash-sdkconfig.defaults
@@ -3,6 +3,11 @@
 # Espressif IoT Development Framework (ESP-IDF) Project Configuration
 #
 
+# DSP
+CONFIG_DSP_OPTIMIZED=y
+CONFIG_DSP_OPTIMIZATION=1
+CONFIG_DSP_MAX_FFT_SIZE_512=y
+
 # SqueezeAMP defaults
 CONFIG_JACK_LOCKED=y
 CONFIG_BAT_LOCKED=y