Feature●Please use the car cigarette lighter power supply if used in the car (12V voltage). Connecting to the car battery can cause noise●- If used in track (24V voltage) you need to use a buck down device to reduce the voltage to 12V before use. Otherwise, the power amplifier will burn out●- For home use, please use 12V 2A power adapter●Features: - Mini Hi-Fi Digital Bluetooth Audio Power Amplifier●- Suitable for U disk a input, MP3 format playback, Bluetooth wireless connection[Amplifier andAdapter]
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