diff --git a/main/espd.c b/main/espd.c
index 1d42b51..173b480 100644
--- a/main/espd.c
+++ b/main/espd.c
@@ -105,8 +105,8 @@ void app_main(void)
         /* .channel_format = I2S_CHANNEL_FMT_RIGHT_LEFT, */
         .channel_format = I2S_CHANNEL_FMT_ONLY_RIGHT,
         .communication_format = I2S_COMM_FORMAT_STAND_I2S,
-        .dma_buf_count = 3,
-        .dma_buf_len = 300,
+        .dma_buf_count = 16,
+        .dma_buf_len = 128,
         .use_apll = 1,
         .intr_alloc_flags = ESP_INTR_FLAG_LEVEL2,
     };