What happens after checkout
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Step 1
Receive your files
Your digital files are emailed after checkout. Read the guides before starting your build.
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Step 2
Source, print and build
Buy the listed parts, print the files and follow the assembly guide.
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Step 3
Enjoy the result
Sit back and listen to the speakers you built yourself.
THE DIGITAL PLAN
The plans. Your printer. Your build.
Buy the digital design once, then source the components and build at your own pace.
What you get
3D-printable speaker files, build documentation and parts information for this design.
Your digital files are emailed after checkout.
What you supply
A suitable 3D printer, filament, tools and the physical components listed in the project guides.
The plan price does not include physical parts or an assembled speaker.
Project facts at a glance
Specifications from the published project guides. Finished cabinet dimensions differ from the printer volume needed for the individual parts. Keep the full guides handy for measurements, parts quantities and assembly details.
- Drivers
- 1 × Dayton ND91-4 woofer and 1 × ND20FB-4 tweeter per speaker
- Finished dimensions (H × D × W)
- 200 × 120 × 115 mm
- Minimum printer volume
- W 120 × D 205 × H 100 mm
- Nominal impedance
- 4 Ω
- Published frequency response (−3 dB)
- 50 Hz–20 kHz
- Amplification
- 10–50 W external stereo amplifier for a passive pair. The active option uses the discontinued Lepai LP40PA; confirm availability before choosing that build.
- PLA filament
- ~1,400 g per pair
- Assembly time
- 2 afternoons / pair (excl. printing)
- Difficulty
- Easy
- Digital files
- STL print files, assembly guide, parts sourcing guide and spec sheet.
- Parts sourcing
- Buy the listed drivers, crossover components where required, hardware and materials separately. Physical parts are not included.
Explore the project
The speaker you’ll build, its requirements and the original project guides.
**The Lepai LP40PA Mini Plate Amplifier has been discontinued and may be hard to source**
A Throwback with Modern Performance
Meet the Mid90s: a nostalgic desktop speaker inspired by iconic 90s computer speakers, with the engineering precision to back up its retro looks. A two-way design featuring a high-excursion 3.5-inch woofer and 20mm soft dome tweeter delivers crisp highs, smooth mids, and surprising bass—all wrapped up in a compact form factor.
Compact Yet Capable
Clocking in at a tidy footprint, Mid90s easily slots onto any desk, shelf, or workbench. Enjoy rich sound for music, movies, and games without giving up valuable space.
Print and Customize
Just like its 90s forebears, Mid90s invites you to make it your own. Select your preferred 3D printing filaments and colors to personalize your build—then enjoy the satisfaction of creating your very own retro-modern speaker.
DIY Made Easy
Detailed guides, labelled crossover boards, and clearly laid-out wiring instructions ensure a smooth, fun assembly process. Even if you’re new to speaker projects, you’ll find building Mid90s a breeze.
Printable Crossover Board makes positioning components effortless.
Labels and guides help eliminate wiring mistakes.
**The Lepai LP40PA Mini Plate Amplifier has been discontinued and may be hard to source**
Choose Your Amplifier: Opt for the built-in plate amplifier if you want a simple, all-in-one solution that includes Bluetooth connectivity—perfect for hassle-free listening. If you’re after maximum flexibility and potentially higher sound quality, go with an external amplifier. Whichever route you choose, remember you only need one plate amplifier per pair of speakers!
Filament required per pair (two speakers) : ~1400g
Minimum printer build volume: H100xD205xW120mm
Build Guide (active) PDF
Parts & Purchase Guide PDF
Spec Sheet PDF
A few things to know
How do I receive the plans?
Your digital files are emailed after checkout. Download the files and read the project guides before starting your build.
Are any physical parts included?
No. This is a digital plan. You source the components, filament and hardware separately, then print and assemble the speaker yourself.
Will this work with my printer and parts?
Check the printer build volume and component list for this specific project. Requirements vary between designs, so confirm that your printer fits the parts and that you can source the listed components before buying.