Portable boombox speaker with analog Vu meter, list:
BT module: https://goo.gl/sPKZUB
or http://bit.ly/2Vb7Qbj
Speakers: https://goo.gl/RzkvDq
or https://goo.gl/v9vt28
PCB module: https://goo.gl/S69QLD
or https://goo.gl/fuU2qY
4S tester: https://goo.gl/LXx8oz
or https://goo.gl/GQCnch
Dc module: https://goo.gl/f3tkiU
or http://bit.ly/2Wffql4
18650 Batteries: https://goo.gl/ksddQG
or https://goo.gl/iS1MTW
18650 Holder: https://goo.gl/rFrv2S
or https://goo.gl/QNiQUh
Analog meter: https://goo.gl/4bcmgc
Power jack: https://goo.gl/AL7bgU

Drill Bit used: https://goo.gl/jmh3AP
or https://goo.gl/VpJbLE
Multi charger: https://goo.gl/RzrCf8
or http://bit.ly/2GIQ09Z
Multimeter: https://goo.gl/n8whXr
or https://goo.gl/JJkkx1

About the speaker:
-This speaker looks like a robot head and the handle looks like the robot is wearing some extra bass headphones :)
-The charging PCB have balance feature integrated.
-Schematic at 8:45.

Thank you for watching !

Free music copyright list:
Ascence - Rules [NCS Release]
Elektronomia - Heaven [NCS Release]
Weero & Mitte - Our Dive [NCS Release]
[No Copyright Music] Still Back - ZAYFALL
[No Copyright Music] Roc - D4J
3rd Prototype - Feel So Good [NCS Release]
Prismo - Stronger (Raiko Remix) [NCS Release]
Sub Urban - Cradles [NCS Release]
NIVIRO - Diamond [NCS Release]



(SANWU® TPA3110 DC 10V-25V 2x15W Dual Channel Wireless Bluetooth Audio Power Amplifier Board For 4/6/8/10 Ohm Speaker
4S 30A 14.8V Li-ion Lithium 18650 Battery BMS Packs PCB Protection Board Balance
3" INCH 79*79MM Bass Radiator Rubber Metal Vibration Auxiliary Low frequency
6-12V Analog Panel VU Meter Audio Level Meter Blue Backlight with SMT technology process No Need Driver for power amplifier, Start to finish full video
How to make - Shop project , office, garage 4S Lithium Battery Pack Power Indicator, homemade stereo loud box, )
#DTekDIY