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+# max_packs - Max. number of packets per URB in full speed mode (int)
+# Default: 6
+# Optimized: 1
+
+# max_packs_hs - Max. number of packets per URB in high speed mode (int)
+# Default: max_packs * 8 = 24
+# Optimized: 1
+
+# max_urbs - Max. number of URBs (int)
+# Default: 12
+# Optimized: 2 - 12
+
+# sync_urbs - Number of URBs for sync (int)
+# Default: 4
+# Optimized: 2 - 4
+
+# max_queue - Try not to exceed this queue length, in ms (int)
+# Default: 18
+# Optimized: 18
+
+options snd-usb-audio max_packs=1 max_packs_hs=1 max_urbs=12 sync_urbs=4 max_queue=18