diff --git a/src/main/java/notai/common/exception/type/BadRequestException.java b/src/main/java/notai/common/exception/type/BadRequestException.java
index 55e0cbc..fc07ea0 100644
--- a/src/main/java/notai/common/exception/type/BadRequestException.java
+++ b/src/main/java/notai/common/exception/type/BadRequestException.java
@@ -9,4 +9,7 @@ public class BadRequestException extends ApplicationException {
     public BadRequestException(ErrorMessages message) {
         super(message, 400);
     }
+    public BadRequestException(String message) {
+        super(message, 400);
+    }
 }
diff --git a/src/main/java/notai/recording/application/RecordingService.java b/src/main/java/notai/recording/application/RecordingService.java
index d09e819..4140908 100644
--- a/src/main/java/notai/recording/application/RecordingService.java
+++ b/src/main/java/notai/recording/application/RecordingService.java
@@ -60,7 +60,7 @@ public RecordingSaveResult saveRecording(RecordingSaveCommand command) {
             return RecordingSaveResult.of(savedRecording.getId(), foundDocument.getId(), savedRecording.getCreatedAt());
 
         } catch (IllegalArgumentException e) {
-            throw new BadRequestException(INVALID_AUDIO_ENCODING);
+            throw new BadRequestException(INVALID_AUDIO_ENCODING + " : " + e.getMessage());
         } catch (IOException e) {
             throw new InternalServerErrorException(FILE_SAVE_ERROR); // TODO: 재시도 로직 추가?
         }