ASROCK X570 Extreme4 Handbuch Seite 7

** If you use a 2-channel speaker, please connect the speaker's plug into "Front Speaker Jack". See the table below
for connection details in accordance with the type of speaker you use.
Audio Output Front Speaker
Channels (No. 6)
2
4
6
8
*** ACPI wake-up function is not supported on USB3_56 ports.
Rear Speaker
(No. 4)
V --
V V
V V
V V
Central / Bass Line In
(No. 3) (No.5)
--
--
V
V
X570 Extreme4
--
--
--
V
5