Homemade portable bluetooth boombox
20w speaker: http://bit.ly/2JwX0Ic
BT module: https://goo.gl/sPKZUB
or http://bit.ly/2Vb7Qbj
52mm radiator: http://bit.ly/2XB27Mv
4S PCB: http://bit.ly/2NHOgV2
4S meter: http://bit.ly/2xERm1c
Power jack: http://bit.ly/3a5hGTx
18650 Batteries: https://goo.gl/ksddQG
or: https://goo.gl/iS1MTW
18650 Holder: https://goo.gl/rFrv2S
or: https://goo.gl/QNiQUh

Drill Bit used : https://goo.gl/jmh3AP
or: https://goo.gl/VpJbLE

-2 inch 4ohm speakers, 52mm radiators for extra bass power.
-Width 27cm, height 6cm, depth 5.5cm.
-Painted with black mate spray can.
-Schematic at 6:54.

Copyright free Music list:
[Royalty Free Music] Trip KV
ZAYFALL - Dream to live [Official Music]
RetroVision - Hope [NCS Release]
Max Brhon - Humanity [NCS Release]
Coopex & NEZZY - You And Me [NCS Release]
Raiko - Lightning Child (feat. Remi Willow)
Raiko - Revenger [NCS Release]
Max Brhon - Humanity [NCS Release]





( 4S 30A 14.8V Li-ion Lithium 18650 Battery BMS Packs PCB Protection Board Balance Integrated Circuits
SANWU® TPA3110 DC 10V-25V 2x15W Dual Channel Wireless bluetooth Audio Power Amplifier Board For 4/6/8/10 Ohm Speaker
4S Single 3.7V Lithium Battery Capacity Indicator
HXAMP Round Woofer Passive Radiator 35.5MM 52MM 62mm 67mm 75mm Bass Vibration Resonance DIY For Home-made Low frequency 2PCS
Full Range Speaker 2 inch 4 ohmm )
How to make a compact loud boombox with big bass, Start to finish full video

#DTekDIY