12V/24V~6V 30A 180W Step Down DC/DC Power Converter Regulator. Output Current: 30A. 1x DC/DC Converter Regulator. 3000W Stereo HiFi Power Amplifier 5.1Channel Subwoofer Bluetooth Amplifier Audio. 1:High quality thermal silica potting, waterproof, dust-proof, shockproof effect.
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