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[title] Take off the casing
[* violet] Remove the right main control board module by hand vertically upwards, this control board is removed from the charging control board below.
[* black] Let's remember where each wire is connected.
[* red] Connect to the top control board
[* blue] Bluetooth signal cable
-[* orange] Front and back speaker connections. Note: The control panel is labeled "REAR" (2pin) and "FRONT" (3pin).
+[* orange] Front and back paper cone full-range speaker connections. Note: The control panel is labeled "REAR" (2pin) and "FRONT" (3pin).
[* yellow] Front big speaker
[* green] Cables for connecting the battery