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ChargingAmp – Passive Qi Charging Speaker Dock (Snap-Fit Assembly) — zdjęcie 1
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ChargingAmp – Passive Qi Charging Speaker Dock (Snap-Fit Assembly)

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ChargingAmp is a 3D-printed phone dock that amplifies your phone’s bottom-firing speaker while wirelessly charging it!

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Printables
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Audio
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Creative Commons — Attribution — Noncommercial — Share Alike

ChargingAmp – Passive Qi Charging Speaker Dock (Snap-Fit Assembly)

🔊 Passive Sound Amplification + ⚡ Wireless Charging

ChargingAmp is a 3D-printed phone dock that passively amplifies your phone’s bottom-firing speaker while wirelessly charging using a drop-in Qi charging puck.

No batteries.
No electronics.
No Bluetooth.

Just acoustic design and a clean, snap-fit assembly.

Demo video here: 


✨ Key Features

  • 🔊 Passive acoustic amplification
    Internal horn geometry redirects sound forward, making audio louder and clearer without distortion or power.

  • ⚡ Qi wireless charging
    Designed for a standard round Qi charging puck that installs from the back.

  • 🔧 Snap-fit assembly
    Parts securely snap together with integrated mechanical features—no magnets, screws, or glue required.

  • 🧩 Modular design
    Separate horn and back pieces allow for easy printing, assembly, and future variations.

  • 🖨 Fully 3D printable
    Optimized for FDM printers with minimal post-processing.


⚡ Qi Charger Compatibility

  • Charger size: 102.5 mm diameter × 9.5 mm thick

  • Designed for Amazon Basics Qi Charger: https://amzn.to/4pX5kTM

  • Charger slides into the back piece

  • Cable exits cleanly from the bottom

  • No plastic between the charger and the phone


🖨 Print Recommendations

  • Printer type: FDM

  • Materials: PLA, PETG, or ABS

  • Supports: Minimal (shown in assembly video)

  • Orientation:

    • Horn printed face-down for best surface finish

    • Back piece printed flat

  • Layer height: 0.2 mm recommended

Standard profiles work well.

3 filaments work best! Use One color PETG for body, another PETG color for graphics and PLA for the Support interface.  Or vice versa, use PLA, PLA and PETG as the support interface.


📱 Phone Compatibility

  • Designed for phones with bottom-firing speakers

  • Compatible with most modern smartphones

  • Case compatibility depends on thickness and port alignment

  • Not intended for side-firing or rear-firing speakers


📦 What’s Included

  • ChargingAmp STL files

  • Separate horn and back pieces

  • Assembly, support removal, and usage videos


📄 License

  • Free for personal use

  • Remixing allowed with attribution

  • Commercial resale of digital files is NOT permitted

Designed by YourComputer3D.


🌐 Links

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