diff --git a/arch/sim/src/sim/posix/sim_alsa.c b/arch/sim/src/sim/posix/sim_alsa.c
index 71b67ea3133..6b088fef6bc 100644
--- a/arch/sim/src/sim/posix/sim_alsa.c
+++ b/arch/sim/src/sim/posix/sim_alsa.c
@@ -82,6 +82,7 @@ struct sim_audio_s
   sq_entry_t link;
 
   bool playback;
+  bool offload;
   uint32_t frame_size;
   uint32_t nbuffers;
   uint32_t buffer_size;
@@ -396,8 +397,14 @@ static int sim_audio_getcaps(struct audio_lowerhalf_s *dev, int type,
                                        AUDIO_TYPE_INPUT) |
                                        AUDIO_TYPE_FEATURE |
                                        AUDIO_TYPE_PROCESSING;
-              caps->ac_format.hw = (1 << (AUDIO_FMT_PCM - 1)) |
-                                   (1 << (AUDIO_FMT_MP3 - 1));
+              if (priv->offload)
+                {
+                   caps->ac_format.hw = (1 << (AUDIO_FMT_MP3 - 1));
+                }
+              else
+                {
+                   caps->ac_format.hw = (1 << (AUDIO_FMT_PCM - 1));
+                }
               break;
             case AUDIO_FMT_MP3:
               caps->ac_controls.b[0] = AUDIO_SUBFMT_PCM_MP3;
@@ -1014,7 +1021,7 @@ void sim_audio_loop(void)
     }
 }
 
-struct audio_lowerhalf_s *sim_audio_initialize(bool playback)
+struct audio_lowerhalf_s *sim_audio_initialize(bool playback, bool offload)
 {
   struct sim_audio_s *priv;
   int ret;
@@ -1026,6 +1033,7 @@ struct audio_lowerhalf_s *sim_audio_initialize(bool playback)
     }
 
   priv->playback = playback;
+  priv->offload  = offload;
   priv->dev.ops  = &g_sim_audio_ops;
 
   ret = sim_mixer_open(priv);
diff --git a/arch/sim/src/sim/sim_initialize.c b/arch/sim/src/sim/sim_initialize.c
index 5b6a267ff46..ade385e3e8c 100644
--- a/arch/sim/src/sim/sim_initialize.c
+++ b/arch/sim/src/sim/sim_initialize.c
@@ -282,8 +282,15 @@ void up_initialize(void)
 #endif
 
 #ifdef CONFIG_SIM_SOUND
-  audio_register("pcm0p", sim_audio_initialize(true));
-  audio_register("pcm0c", sim_audio_initialize(false));
+  /* Register audio normal device */
+
+  audio_register("pcm0p", sim_audio_initialize(true, false));
+  audio_register("pcm0c", sim_audio_initialize(false, false));
+
+  /* Register audio compress device */
+
+  audio_register("pcm1p", sim_audio_initialize(true, true));
+  audio_register("pcm1c", sim_audio_initialize(false, true));
 #endif
 
   kthread_create("loop_task", SCHED_PRIORITY_MAX,
diff --git a/arch/sim/src/sim/sim_internal.h b/arch/sim/src/sim/sim_internal.h
index db383871733..13d7ec07a48 100644
--- a/arch/sim/src/sim/sim_internal.h
+++ b/arch/sim/src/sim/sim_internal.h
@@ -354,7 +354,7 @@ int sim_bthcisock_loop(void);
 /* sim_audio.c **************************************************************/
 
 #ifdef CONFIG_SIM_SOUND
-struct audio_lowerhalf_s *sim_audio_initialize(bool playback);
+struct audio_lowerhalf_s *sim_audio_initialize(bool playback, bool offload);
 void sim_audio_loop(void);
 #endif