diff --git a/oem/aispeech-6mic-64bit/dds_client/demo/config.json b/oem/aispeech-6mic-64bit/dds_client/demo/config.json
index a6dadf3..f2bfb0d 100755
--- a/oem/aispeech-6mic-64bit/dds_client/demo/config.json
+++ b/oem/aispeech-6mic-64bit/dds_client/demo/config.json
@@ -25,7 +25,7 @@
         "samplerate":16000,
         "bits":16,
         "channels":8,
-        "device": "6mic_loopback"
+        "device": "hw:0,0"
     },
     "player": {
         "device": "default"