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SubHarmonics hardware

Mini SubHarmonics hardware


Standalone hardware. No plugin, no computer required.
Compact and ready for live setups, studio use, your car or fixed installations.



DSP subwoofer enhancer for max bass
For those who want more out of their stereo's low end.
This compact,handcrafted module adds subtle but powerful sub-bass to any audio system at home, in the car, or in the studio.
Smart DSP fills in the missing range between 5 Hz and 40 Hz. Compact. Quiet. Powerful.

Of course made in Holland


A Small Box with a Big Sound

SubHarmonics hardware deep bass


Curious what subharmonics really sound like? In this video, I explain what the Mini SubHarmonics does, how it works,
and most importantly, how it makes your music sound deeper, fuller, and more powerful.
From 100 Hz down to 5 Hz, you’ll hear what your system might be missing — and how this little box brings the low-end to life.

🎧 Best experienced with a subwoofer or quality headphones.

See the Mini SubHarmonics In Action Soon






What makes Mini SubHarmonics special?
Most systems lack true sub-bass — and you might not even realize it.
This video shows how Mini SubHarmonics brings it back with powerful DSP technology


Mini size, maxi bass
No menus, no hassle, just plug it in and feel what your sound has been missing.

Mini SubHarmonics hardware bass booster

Get your Mini SubHarmonics today and experience deeper, richer sound.
✅ In stock – ships within 2 working days.


The Mini SubHarmonics is expected in May 2025


available soon




What exactly does a subharmonic do?
Subharmonics allow frequencies to be reproduced lower than what is originally present in the signal.
This means they effectively create additional low tones that were not (or barely) there to begin with.
It generates frequencies that are exactly half of the original frequency, hence the name SubHarmonics — see pictures below


deeper fuller bass SubHarmonics live hardware

As a result, you get a deeper, fuller bass. The signal is essentially split, creating extra layers in the low end.
In short: Subharmonics enhance the low end by adding artificially generated deep tones for a richer sound experience.


available soon

Is my equipment compatible?

Mini SubHarmonics works with any audio system that has line-level (RCA) connections,like mixers,
DACs, audio interfaces, or preamps.
It does not connect directly to speaker outputs or headphone jacks.

Your amp and speakers must be able to handle sub-bass between 5 Hz and 40 Hz.
Most home cinema subs and full-range systems will work just fine — but check your gear's specs to be sure.



🎧 Recommended Headphones
These models perform well below 20 Hz and are great for demoing subharmonics:

Sony MDR-7506
Audio-Technica ATH-M50x
Beyerdynamic DT 770 Pro
Sennheiser HD 280 Pro
AKG K371

Use with a good source (DAC or interface) for best low-end results.


Power supply Mini SubHarmonics:
Runs on 9–14V DC, so it’s perfect for both home and car audio setups.
Adapter and 12V car cable are included.


Mini SubHarmonics is not a toy, it’s a serious tool for those who want to feel their sound.
Hand-built in small batches, with care, precision, and no compromises.
Try it. Hear it. Feel it


Low frequency test video



This video plays 10 seconds per frequency, starting from 100 Hz all the way down to 20 Hz:
100 Hz → 50 Hz → 45 Hz → 40 Hz → 35 Hz → 30 Hz → 25 Hz → 20 Hz

Use a subwoofer or quality headphones for best results,
many systems won’t reproduce anything below 40 Hz without help.
Want to feel the missing lows? That’s where Mini SubHarmonics comes in.

The man behind the Mini SubHarmonics hardware
I’m Hans Scholtze, and I’m from the Netherlands.
Passionate about technology, sound, and creation.

Among other things, I designed the Mini SubHarmonics a compact and powerful
hardware device that adds deep stereo sub-bass to any audio system.
For sound that’s not just heard, but truly felt.

Mini subHarmonics hardware for:
Home cinema & hi-fi – for deeper,
fuller bass at home
Car audio & SPL, feel the difference on the road
Studios, DJs & producers, enhance your low-end clarity
Sound design & synths, add power to your creative work
Specs at a Glance
Stereo DSP processing: 5–40 Hz
Adjustable input gain & sub mix
RCA L+R input & output
Audio overload indicators (LEDs)
Power: 9–14V DC
Case: Dimensions: 70 × 60 × 30 mm
Aluminum with printed front panels
Technical Details
Input frequency range: 20hz–20KHz
Subharmonic 1 octave below input
Sample rate: 48 kHz
Latency: ~1 ms (negligible for live)
Noise floor: ~-83 dB
Connections
12V DC :
2x stereo RCA (input & output)