River Boom Box / MultiBox

Reliable Designs for Everyday Use & Creative Projects
Functional prints, clever gadgets, and fun extras — all ready to download and make.

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River is a modular boombox platform built for flexibility. Choose from multiple front panel options to fit different speaker sizes and configurations, all while using the same core enclosure. Built around the proven TW100U amplifier and the same 12V or 24v battery setup as Dock Box, River makes it easy to customize your build.

Assembly Notes

• Speaker mounts using standard speaker mounting screws.
• Amplifier secures with 4 mounting screws. ( I use M3 screws)
• Front plate is installed using super glue.
• Handle is locked into place with 2 screws and nuts 

Features

✅ TW100U Amplifier Compatible
✅ Runs on 12V or 24V Battery Systems
✅ Multi-Speaker Sync Mode Support
✅ Custom Fit Your Speakers
✅ Can Housed Most Speakers
✅ Portable Carry Handle
✅ Easy Assembly

Electronics Used
 

Power Button(16mm)

Single: APIELE

https://amzn.to/4oZhwoh

Double: Gebildet

https://amzn.to/4gbb0Zb

Battery:

24V

https://amzn.to/4fqahmG

Amplifier:

1 Amp

https://amzn.to/3Qn3S1k

2 Pack
https://amzn.to/3SF1bc1

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Designed for real-world use and reliable printing.
If you run into issues or have improvement ideas, leave a comment.