DIY Bluetooth Audio Electronic Welding Kit Small Power Amplifier Mobile Phone Speaker Circuit Board Production Parts

Features This kit is composed of MH M18 Bluetooth audio module HT6872 power amplifier chip 3W speaker and components and parts It needs to be soldered by yourself Support Bluetooth playback and audio line input playback with LED music spectrum display lights move with the music Parameter Power supply mode DC5V mobile phone charger power bank Power amplifier chip HT6872 4 7W Class D power amplifier Audio input Bluetooth and audio cable two input methods you can choose by yourself Auxiliary function spectrum function LED flashing Speaker 4Ω 3W 1Size 76mm 69mm 69mmPackage Included Bluetooth small speaker component listComponent nameComponent locationquantityNumbering11 4W resistor 10KR1 R3 R8321 4W resistor 100RR2131 4W resistor 51KR4141 4W resistor 12KR5 R7251 4W resistor 33KR6161 4W resistor 1KR9 R1027Dial potentiometer 10KRP1 RP22Speakers commonly used8Electrolytic capacitor 470uF 16VC111029Electrolytic capacitor 10uF 25VC3 C8 C9315410Monolithic capacitor 104C2 C5 C6 C104137111Monolithic capacitor 105C4 C7 C11 C1241370123mm colorful LED short footD1 D2 D3 D4 D55132 1 5 5 power headDC113132143F07 headphone socketPJ11313415Side foot button 6 6 9mmS1 S2 S33696516KA2284 chipU11668817HT6872 chipU21695418MH M18 Bluetooth Audio ModuleU3119Speaker speaker cableJ12202 1 power cordDC11214Ω 3W speaker with cable J1122PCB board1Shell list23New version of bluetooth small speaker shell1set24M3 nut825M3 10 screw626M2 nut1227M2 10 screw12