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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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
🔗 ChargingAmp: https://ChargingAmp.com