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ThunderBox 4R by TrailSloth

Print Profile(1)

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X2D
H2D Pro
X1 Carbon
H2S
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X1E
P2S
A2L
P1P
H2C
X1

0.2mm layer, 5 walls, 15% infill
0.2mm layer, 5 walls, 15% infill
Designer
12.8 h
3 plates

Open in Bambu Studio
Boost
6
11
0
0
2
1
Released 

Bill of Materials

Bambu Filaments
Select all
Gray (45102) / Filament with spool / 1kg
ASA
x1
Green (45500) / Filament with spool / 1kg
ASA
x1
Blue (45600) / Filament with spool / 1kg
ASA
x1
White (45100) / Filament with spool / 1kg
ASA
x1
Black (45101) / Filament with spool / 1kg
ASA
x1
Red (45200) / Filament with spool / 1kg
ASA
x1

Description

🔊 TrailSloth ThunderBox 4R

Bring the boom wherever the trail takes you.

The TrailSloth ThunderBox 4R is a rugged, battery-powered Bluetooth speaker designed for makers, campers, Jeep enthusiasts, and overlanders. Featuring a powerful 4" marine speaker, passive radiator bass enhancement, Bluetooth connectivity, and a rechargeable lithium battery, this compact speaker delivers impressive sound in a fully 3D-printable package.

Whether you're relaxing around a campfire, wrenching in the garage, or hitting the trails, the ThunderBox 4R provides loud, clear audio with deep bass from a design that anyone can build.

Features

 

✅ Powerful 4" Marine Speaker
✅ Passive Radiator Enhanced Bass
✅ Bluetooth Wireless Audio
✅ Rechargeable Battery Powered
✅ Weather Resistant Components
✅ Easy Assembly Design
✅ Fully 3D Printable Enclosure
✅ Perfect for Camping, Jeeping & Overlanding

 

🛒 Parts List

Speaker Driver

Pyle 4" Marine Speaker
Passive Radiator

4" Passive Radiator (2 Pack)
Bluetooth Amplifier

ZK-1002 Bluetooth Amplifier Board
Battery

24V 4Ah Rechargeable Lithium Battery
Power Switch

16mm LED Latching Push Button
DC Charging Port

5.5mm x 2.1mm Panel Mount DC Jack
Wire Connectors

Marine Grade Heat Shrink Connectors
Hardware Kit

M3 Screw Assortment
Filament

Bambu ASA Filament
Print Settings
Layer Height: 0.20mm
Walls: 4–5
Infill: 20–30% Gyroid
Material: ASA Recommended
Supports: Minimal
Build Difficulty

⭐ Beginner Friendly

Basic soldering required
Estimated assembly time: 1–2 hours
Common tools only
Perfect For

🏕 Camping
🚙 Jeep Adventures
🌲 Overlanding
🔥 Campfires
🛠 DIY Electronics
🎵 Garage Music
🎁 Maker Gifts

If you build one, post your make!

I love seeing custom colors, upgraded batteries, LED modifications, and trail-tested versions of the TrailSloth ThunderBox 4R.

Play it loud. Take it anywhere. 🔊🦥

Boost Me (for free)

❤️ Support Future Designs

Enjoyed this build? Please ⭐ rate, 👍 like, 📸 share your make, and 🔔 follow my profile!

Every download, rating, and posted make helps support future designs, prototypes, and improvements. I create and share these projects in my free time so makers can build awesome gear without spending a fortune.

Have an idea for a new feature or project? Leave a comment—I read them all and many future designs come directly from community feedback.

Thanks for supporting TrailSlot

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License

This user content is licensed under the MakerWorld Exclusive License.

You may create derivative works based on this object, provided that all such derivative works are published exclusively on the MakerWorld platform and include proper attribution to the original creator. You may not share, upload, host, distribute, or publish this object—or any derivative work of this object—on any other digital platform, marketplace, or distribution channel. Commercial use of this object and any derivative works is strictly prohibited. This includes, but is not limited to, selling, renting, sublicensing, or using the object in any context in which you receive monetary compensation or other financial benefits.