diff --git a/examples/peripherals/i2s/i2s_adc_dac/main/app_main.c b/examples/peripherals/i2s/i2s_adc_dac/main/app_main.c
index 8d5f20db86..b7ca87cba8 100644
--- a/examples/peripherals/i2s/i2s_adc_dac/main/app_main.c
+++ b/examples/peripherals/i2s/i2s_adc_dac/main/app_main.c
@@ -69,8 +69,8 @@ void example_i2s_init(void)
         .communication_format = I2S_COMM_FORMAT_STAND_MSB,
         .channel_format = EXAMPLE_I2S_FORMAT,
         .intr_alloc_flags = 0,
-        .dma_buf_count = 2,
-        .dma_buf_len = 1024,
+        .dma_buf_count = 6,
+        .dma_buf_len = 256,
         .use_apll = 1,
      };
      //install and start i2s driver
diff --git a/examples/peripherals/i2s/i2s_adc_dac/sdkconfig.defaults b/examples/peripherals/i2s/i2s_adc_dac/sdkconfig.defaults
new file mode 100644
index 0000000000..fac81dbadb
--- /dev/null
+++ b/examples/peripherals/i2s/i2s_adc_dac/sdkconfig.defaults
@@ -0,0 +1,3 @@
+CONFIG_PARTITION_TABLE_CUSTOM=y
+CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions_adc_dac_example.csv"
+CONFIG_ESPTOOLPY_FLASHSIZE_4MB=y