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Read and follow all safety and operating instructions before operating the subwoofer.
Do not remove cover to avoid risk of electric shock; no user-serviceable parts inside.
Refer servicing to qualified service personnel only.
Connect using either speaker-level or line-level inputs for system integration.
Maintain correct polarity (red to red, black to black) to avoid amplifier damage.
Check connections, power, signals, and control settings.
Unit may cycle or shut off if protection circuits are engaged.
Service needed for damaged cord, unit malfunction, water exposure, or physical damage.