B
Deeper =
Bigger
Deep bass doesn't just sound bigger. It physically reaches further, fills more space, and hits harder. Most subs stop where it starts to get difficult. We kept going. Here's why that matters, how it works, and what it means for your gig.
Interactive Tools →
Same category.
Different planet.
Compare these two single 18" subwoofers. One is -3 dB at 27 Hz. The other publishes their output as -6 dB at 38 Hz. -3 dB is likely close to 43 Hz. That gap isn't subtle. There's a huge difference in the energy they produce. With one, that heavy energy fills the halls and shakes the walls. With the other, you might as well stay home…
BASSBOSSDJ18S-MK3
Industry-leading single 18"
The gap
15+ Hz
of real bass the competitor simply can't produce
BASSBOSS DJ18S-MK3 subwoofer reaches
27 Hz
at ±3 dB: real, measured, continuous output.
Competitor publishes
38 Hz
at -6 dB. Output is halved and fading fast.
Why deep bass is exponentially harder
Each octave deeper takes 4× the effort to stay equally loud.
1×
80Hz
Kick drum
→
4×
40Hz
Where most stop
→
16×
20Hz
BASSBOSS territory
Volume of Air Displaced
80 Hz
1×
40 Hz
4×
20 Hz
16×
Amplifier power required
80 Hz
1×
40 Hz
4×
20 Hz
16×
True depth: it can't be faked.
How specs are measured
-10 dB
Cheater
-3 dB
BASSBOSS
BASSBOSS specs low frequency cut-off at -3 dB. Some brands spec their subs' low frequency cut-off at -10 dB. Assuming the same starting SPL referenced to 0 dB, the difference is 3:1. In other words, at 30 Hz, it would take 3 subs that produced 30 Hz at -10 dB to reach the same level as one cabinet that produced 30 Hz at -3 dB. Can boxes like that even be called subwoofers?
Frequency extension by subwoofer
Kraken27–100 Hz · 145 dB
Kraken
Makara23–100 Hz · 140 dB
Makara
SSP21830–100 Hz · 136 dB
SSP218
VS2128–100 Hz · 135 dB
VS21
ZV2823–90 Hz · 134 dB
ZV28
SSP21535–100 Hz · 133 dB
SSP215
SSP11830–100 Hz · 130 dB
SSP118
DJ18S27–100 Hz · 129 dB
DJ18S
BB1540–115 Hz · 127 dB
BB15
20Hz25Hz30Hz40Hz50Hz60Hz80Hz100Hz120Hz
What you actually feel as your bass goes lower
120–50 Hz
Upper bass punch
Shorter wavelengths have faster rise-times to peak pressure, which create the impression of the "hit". The leading edge of the drum hit is here.
50–35 Hz
Full and Rich
You start feeling it in your chest and gut. Music gains weight and authority.
35–25 Hz
Physical Transition
The ears start to lose sensitivity, the skin and hair tell your brain things are changing. Your body is now fully involved and engaged.
DJ18S · SSP118 · SSP218 · VS21 · ZV28 · Makara
Below 25 Hz
Infra Bass / Seismic
The pituitary and adrenals are triggered, raising excitement and anticipation. This event is now a powerful, primal, physical experience that most people have never had. And will never forget.
ZV28 · Kraken · Makara (23 Hz · 21 Hz in pairs)
All BASSBOSS specifications are measured at ±3 dB and are conservative, measurable and consistent values.
One cabinet.
One wave.
Wavelength is just the speed of sound divided by the frequency. Drag the slider to see how far one wave from a single subwoofer reaches at each frequency.
The perception of scale increases dramatically as frequency drops. Low frequencies radiate omni-directionally: In an open field, the entire half-sphere above the cabinet soaks up energy.
Higher frequencies can be focused more easily, making it much easier to get loud higher up, and much more effort to fill a space with deep bass.
Deeper bass = more people feeling the power.
40.4 ft
one wavelength at 28 Hz
28 Hz
20 Hz30 Hz40 Hz50 Hz60 Hz
The size of a wave
Sound travels at about 1,130 feet per second, and a wave's length is just that speed divided by its frequency. A 28 Hz note measures roughly 40 feet from one pressure peak to the next; drop to 20 Hz and it stretches to 56 feet. A 2 kHz sound, by contrast, is only about 7 inches long. Low frequencies are physically enormous waves.
Long waves wrap around the crowd
A wave treats an object as an obstacle if it is large compared to the wavelength. A person is a couple of feet wide, so a 40-foot bass wave doesn't see them as a wall: it diffracts, bending around bodies and filling the space behind them. A short, high-frequency wave is smaller than the people in front of you, so it gets blocked and scattered before it ever reaches the back.
Why highs fade and lows carry
Air itself absorbs high frequencies far more than low ones, and that loss grows with distance. A packed crowd is an even stronger filter: people soak up treble and upper midrange, while long bass waves pass through with comparatively little loss. The farther the sound travels and the more bodies it crosses, the more the highs thin out and the more the low end dominates.
The takeaway
This is why deep bass feels like it's everywhere at once. The low frequencies a BASSBOSS sub produces diffract around the crowd and shrug off the absorption that wears down everything above them, arriving at the back row with their energy largely intact. Reaching the whole room, front to back, with consistent physical impact is a property of the frequency itself.
Bass isn't a beam.
It's a dome.
You can aim high frequencies like a flashlight: point a horn and the treble goes where you send it. Bass refuses to be aimed. It pushes out in every direction at once, swelling into a dome of pressure that grows larger the lower the note.
That's the good news: there's no narrow sweet spot, so everyone in the room is inside the sound. It's also why bass is technically challenging: energizing an entire dome of air with deep bass takes real power.
Interactive Tools
Put the physics in your hands.
Hands-on tools to explore the physics of deep bass. Drag sliders, test your ears, and build your system.
Want to create some energy?
Book a consult. We'll talk through your music, your audiences, and which sub matches your business.
Let's talk gear.