DIY: Multimedia Bluetooth Boombox Speaker

Big Portable Homemade mp3/mp4 android Bluetooth player: Android radio 2GB: 6.5“ Speakers: 18650 Batteries: Tweeters: Passive radiator: Crossover: DC module: 18650 holder: 5S PCB : 5S indicator: Power jack: Switch: Mini switch: Rubber feet: Adjustable Drill bit: “Wire holder“: Multimeter: https://bit.l