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+# List available devices
+
+To list the available devices, as well as their subdevices, you can use the
+**aplay** command.
+
+```bash
+user@machine$ aplay -l
+**** List of PLAYBACK Hardware Devices ****
+card 0: Loopback [Loopback], device 0: Loopback PCM [Loopback PCM]
+ Subdevices: 8/8
+ Subdevice #0: subdevice #0
+ Subdevice #1: subdevice #1
+ Subdevice #2: subdevice #2
+ Subdevice #3: subdevice #3
+ Subdevice #4: subdevice #4
+ Subdevice #5: subdevice #5
+ Subdevice #6: subdevice #6
+ Subdevice #7: subdevice #7
+card 0: Loopback [Loopback], device 1: Loopback PCM [Loopback PCM]
+ Subdevices: 8/8
+ Subdevice #0: subdevice #0
+ Subdevice #1: subdevice #1
+ Subdevice #2: subdevice #2
+ Subdevice #3: subdevice #3
+ Subdevice #4: subdevice #4
+ Subdevice #5: subdevice #5
+ Subdevice #6: subdevice #6
+ Subdevice #7: subdevice #7
+card 1: Intel [HDA Intel], device 0: Generic Analog [Generic Analog]
+ Subdevices: 0/1
+ Subdevice #0: subdevice #0
+```