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Hello, The Polk Audio ES12 subwoofer features two power settings: Auto and ON. In Auto mode, the subwoofer will automatically enter standby mode if it does not detect any signal for approximately 15 minutes. It will wake up from standby mode when it detects a signal. In contrast, the ON mode keeps the subwoofer powered on continuously, preventing it from entering standby. Please note that the ES12 does not support Bluetooth or app control. Polk Audio
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