🇵🇭 3.7 V Car Subwoofer High Power HiFi Bass Bluetooth Amplifier Board 12V 24V 220V 120W Speaker Amplifier For 5-8Inch Speaker

NOTE: (VERY IMPORTANT!!!)1.It must connect a 3.7V lithium battery to open.---this is very important for power on.2.Because national delivery regualtion,the battery not included.3.The positive and negative poles of the battery must be connected according to the this picture, otherwise the board will be burnt.Features:Model: 3.7V 803Channel: MonoVoltage: 12V/24V/110-220VPower: 30W-120WFrequency: 30HZ-13KHZFunction Description: can be inserted into TF card/U disk/USB, can be connected to AV audio source inputOther Function Description: Built-in Bluetooth + FM radioPackage Included:1 * 3.7V Bluetooth Amplifier Board （Without Power）2 * Speaker Wires1 * FM Radio Line1 * Remote ControlNotes:1. Brand new product, percent authentic.2. Support return within 7 days for refund.3. Provide 24-hours considerate shopping consultation.4. After ordering, I will carefully check the item for you and pack it for delivery as soon as possible.5. If you have any product questions, please contact us in time.6. Because of different photographing light, angle and display monitor., the color of item may be slightly different from the pictures.7. There may be slight size deviations due to manual measurement, different measuring methods and tools.8. We Support Dropshipping And Wholesale, If You Have Any Questions, Please Feel Free To Contact With Us!