Sony SRS-X9 - Manual (Page 173)

From the factory, pairing information is not stored in the speaker. In this case, if you only tap the (BLUETOOTH)
PAIRING button, the (BLUETOOTH) indicator will begin to flash quickly in white and the speaker enters
pairing mode automatically. In this case, proceed to step 6.
5. Tap and hold the (BLUETOOTH) PAIRING button until beeps are heard.
The (BLUETOOTH) indicator begins to flash quickly in white, and the speaker enters pairing mode.
6. Search the speaker by the iPhone.
i. Tap [Settings].
ii. Tap [Bluetooth].
iii. Tap[ ]to turn on BLUETOOTH.
iv. Tap [SONY:SRS-X9(Bluetooth)].
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