Bluetooth Speaker Boombox

Hey friends,

In this instructable, I will clearly explain to you how to create a multimedia Bluetooth boombox speaker at home.

This boombox is created using PVC pipe and parts basically. All other electronic parts are mostly salvaged from my electronic junk collection.

Let's have fun with this amazing project!

You will need..

01- PVC Pipe 4"x4'

02- Two end caps 4"

03- Two 3" or 4" Speaker drivers

04- Amplifier circuit

05- MP3 Bluetooth module

06- Salvaged battery pack from old laptop

07- BMS 3S 10A module

08- Switching mode power supply (SMPS)

09- Two volume controls

10- Black Rexine

11- Glue

12-Power switch

13- Audio input base

14- 2pin AC power socket

15- 2pin AC cable

16- Belt salvaged from traveling bag

17- Some salvaged plastic plates

18- Nuts and bolts

Tools & Equipments

01-Cutter

02-Soldering iron

03- Screwdrivers

04- CNC router (optional)

05- Hacksaw

06- Sandpapers

07- Heat gun or gas stove

08- Two unused tiles

Cut the 4" PVC pipe at 4 feets

Cut middle control panel at 4" from each side.

*Please watch the video for a clear demonstration

• Heat PVC parts using a heat gun or gas stove
• Flatten them by applying pressure between two tiles
• Mark control panel parts and cut

• Glue front panel plates
• Mark cutting points for controls

Please refer to the video

• Mark end caps line and cut off the excess parts

• Use a CNC router or a manual method to cut two end caps design
• Cut passive radiator diaphragm

• Solder speaker wires, and mount speaker on speaker brackets prepared
• Apply covering brackets

• Prepare amplifier circuit
• Disassemble salvaged battery pack
• Connect batteries to BMS module
• Solder volume controls

• Cover the PVC casing using the black rexine.
• Use glue and a heat gun to get the shape

• Cut off the magnet of the old speaker
• Cut the diaphragm
• Glue diaphragm to speaker

• Use CAD software and CNC to design the front panel and cut. You can also manually cut the panel.
• Attach the Bluetooth USB module to the front panel

• Cut belt mounts using CNC, and mount the belt.
• Mount all parts inside, and close with speaker end caps

*Please refer to the full video instruction

• Enable Bluetooth on your mobile phone
• Connect to the device
• Play & Enjoy!

Hope this project is useful to you friends. Please leave your comments regarding the project, so It's a big help to me to improve future DIY projects. Please watch the complete video of this DIY project below.

Thank you very much.