Your Peaceful Sleep Starts Here – FAQ
Noise Cancelling & Performance
QuietOn 4 sleep earbuds are built to resolve one specific problem well: disruptive low-frequency sound, like snoring and city noise. The active noise cancelling reduces noise by up to 30dB, including in the low frequencies where traditional silicone and foam earplugs are weakest. With QuietOn, loud snoring typically fades to a faint hum, and quieter snoring becomes unnoticeable.
Yes. Snoring usually reaches about 50 dB, and QuietOn’s ANC lowers that by roughly 30 dB, leaving only a soft sound that most sleepers won’t notice. Low-frequency city noises, such as traffic or construction rumble, are also effectively reduced, far better than what traditional foam earplugs can achieve. The World Health Organization recommends bedroom noise stay below 30dB(A) at night for good-quality sleep — QuietOn’s roughly 30dB reduction brings typical snoring within that recommended range.
Yes. QuietOn’s ANC covers a wide frequency range. Although it’s strongest with deep, low-frequency rumble, it also tones down higher-frequency sounds such as dogs barking and birds chirping.
Yes, you’ll still hear your alarm. QuietOn targets low-frequency noise, like snoring and traffic, while allowing higher-frequency sounds to remain audible. That includes alarms and important cues, like your kids calling you. For extra reassurance, simply set your alarm a little louder.
– Snoring: typically fades to a faint hum, or becomes unnoticeable
– Traffic and low-frequency rumble: significantly reduced
– Higher-pitched sounds (alarms, voices, a barking dog): still audible
QuietOn’s ANC targets low frequencies specifically, so for higher-pitched sound, passive foam earplugs can perform just as well, or better.
See also: Comfort & Fit for more on how QuietOn feels during the night.
Yes! Many people look for the best earplugs for sleeping with a snorer, and QuietOn 4 is built for exactly that. Snoring typically reaches around 50dB, and QuietOn 4’s active noise cancelling reduces low-frequency sound by roughly 30dB; enough that most snoring fades to a faint hum, or disappears from notice entirely. Because QuietOn cancels noise rather than masking it with other sounds, you’re not trading one disturbance for another; the room simply becomes quieter.
Yes. Airplane cabin noise is mostly steady, low-frequency engine hum: exactly the type of sound QuietOn’s ANC is built to reduce. Many customers use QuietOn for long-haul flights as well as overnight sleep at home.
QuietOn is one of the only active noise-cancelling earbuds designed specifically for sleep. Unlike sound-masking devices that play white noise, rain sounds, or other audio, QuietOn reduces noise directly instead of adding new sounds. Compared to foam earplugs, QuietOn is much more effective against low-frequency sounds like snoring or traffic, noises that regular earplugs struggle to block. Take a closer look at how ANC compares to sound masking and other earbuds.
QuietOn 4 is one of a small number of sleep earbuds built around genuine active noise cancelling (ANC) rather than sound masking. It uses microphones and inverse sound waves to reduce low-frequency noise like snoring, traffic, and HVAC hum, with no Bluetooth, app, or audio playback. Other sleep earbuds take a different approach, some pair ANC with Bluetooth audio and masking sounds, others rely on passive isolation and masking without true ANC. QuietOn 4 is built for people who want noise reduced, not covered up.
Active noise cancelling (used in QuietOn 4) generates an inverse sound wave that reduces the noise itself, most effective on low, steady sounds like snoring or traffic rumble. Sound masking works differently: it plays white noise, nature sounds, or music to cover disruptive noise rather than reduce it. Some sleep earbuds combine both approaches; QuietOn 4 uses ANC only, with no added audio.
QuietOn 4 is a standalone ANC device with no Bluetooth, no app, and no audio streaming. Other sleep earbuds on the market add Bluetooth audio, companion apps, and sleep tracking alongside their noise reduction. If you want music, podcasts, or sleep data alongside noise reduction, those features are worth considering; if your priority is reducing noise itself with the simplest possible device, QuietOn 4’s ANC-only design is built for that.
QuietOn 4 uses electronic active noise cancelling, targeting low-frequency sound like snoring or traffic rumble specifically. Passive silicone or wax earplugs reduce general noise levels without targeting a particular frequency, and tend to perform relatively better against higher-pitched sound like voices. The right choice depends on which kind of noise is disrupting your sleep.
Bose discontinued the Sleepbuds line in 2023. Former Bose engineers later launched Ozlo Sleepbuds as a spiritual successor, using passive isolation and sound masking similar to the original. QuietOn 4 takes a different approach, active noise cancelling rather than masking, and is worth considering if you specifically want noise reduced rather than covered with sound. See our full QuietOn 4 vs. Ozlo Sleepbuds comparison for more detail.
We use professional acoustic measurement setups to ensure accuracy. Learn more here: How QuietOn’s noise cancelling performance is measured.
Get your QuietOn
Get your QuietOn
