1 3

ZHIQIAN

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

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

$390.00 USD
$650.00 USD $390.00 USD
Sale Sold out

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:?4???/3W*1

Size: 76mm*69mm*69mm


Package Included:


Bluetooth small speaker component list
Component name Component location quantity Numbering
1 1/4W resistor 10K R1,R3,R8 3
2 1/4W resistor 100R R2 1
3 1/4W resistor 51K R4 1
4 1/4W resistor 12K R5,R7 2
5 1/4W resistor 33K R6 1
6 1/4W resistor 1K R9,R10 2
7 Dial potentiometer 10K RP1,RP2 2 Speakers commonly used
8 Electrolytic capacitor 470uF/16V C1 1 102
9 Electrolytic capacitor 10uF/25V C3,C8,C9 3 154
10 Monolithic capacitor 104 C2,C5,C6,C10 4 1371
11 Monolithic capacitor 105 C4,C7,C11,C12 4 1370
12 3mm colorful LED short foot D1,D2,D3,D4,D5 5
13 2.1*5.5 power head DC1 1 3132
14 3F07 headphone socket PJ1 1 3134
15 Side foot button 6*6*9mm S1,S2,S3 3 6965
16 KA2284 chip U1 1 6688
17 HT6872 chip U2 1 6954
18 MH-M18 Bluetooth Audio Module U3 1
19 Speaker speaker cable J1 2
20 2.1 power cord DC1 1
21 4???/3W speaker (with cable) J1 1
22 PCB board
View full details