Wehoby BT Speaker idea.

Just easy idea the power supply for DIY Speakers.
-The battery can be charged when the power supply is powered, and power the load.
-Automatically switch battery to power the load when there is no power at power supply.

Vintage style DIY BT Speaker 20W Subwoofer Model:SUB20W2.1 by Wehoby Indy Audio labs.
Specification
-Bluetooth 5.0
-Power Handling 20W
-Dimension 9"x11"x6.5"(275x220x170mm)
-Full range HIFI Subwoofer.
-Battery Li-ion 18650 3S 12.6V
-Charger AC ICE320 220vac home use.

A 2.0CH Speaker system DIY.

A 2.1CH Speaker system DIY.

Mini Vintage style DIY BT Speaker 5W Model:EMOTION5W by Wehoby Indy Audio labs.
Specification
-Bluetooth 5.0
-Power Handling 5W
-Dimension 3"x5"x3"
-Full range HIFI.
-Battery Li-ion 3.7V Build in.
-Charger USB TypeC 5Vdc 1A(Universal Charger adepter)

Nothing is worth if you are not happy.

Vintage style DIY BT Speaker 20W Model:BEATBOX20W by Wehoby Indy Audio labs.
Specification
-Bluetooth 5.0
-Power Handling 20W
-Dimension 6"x8"x5"
-Full range HIFI.
-Battery Li-ion 12.6V Build in.
-Charger USB TypeC 5Vdc 2A(Universal Charger adepter)

If “Plan A” didn’t work. The alphabet has 25 more letters! Stay cool.

Vintage style DIY BT Speaker 20W Subwoofer Model:SUB20W by Wehoby Indy Audio labs.
Specification
-Bluetooth 5.0
-Power Handling 20W
-Dimension 9"x11"x7" A4
-Full range HIFI Subwoofer.
-Battery Li-ion 18650 3S 12.6V can replaceable
-Charger USB TypeC 5Vdc 2A(Universal Charger adepter)

Vintage Style BT speaker fullrange 15W Model:BEATBOX15W Prototyping by Wehoby Indy Audio Labs.
Specification
-Bluetooth 5.0
-Power Handling 15W
-Dimension 4"x6"x4"
-Full range HIFI
-Battery Li-ion 18650 3S 12.6V can replaceable
-Charger USB TypeC 5Vdc 2A(Universal Charger adepter)

The new Vintage Style BT speaker fullrange 5W Model:EMOTION5W Prototyping by Wehoby Indy Audio Labs.
Specification
-Bluetooth 5.0
-Power Handling 5W
-Dimension 3"x5"x3"
-Full range HIFI
-Battery Li-ion 18650 3.7V can replaceable
-Charger USB TypeC 5Vdc 1A (Universal Charger adepter)