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Ws-1958bt Music Car Speaker Manual

If the WS-1958BT behaves erratically (buttons reversed, no LED, persistent noise), perform a factory reset:

A: Yes, but you need a 12V DC power supply with at least 2A output and a 5.5mm x 2.1mm barrel plug (center positive). A standard AC-to-12V adapter works, but do not exceed 15V. ws-1958bt music car speaker manual