How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want maximum passive noise reduction for loud environments and sensory relief, choose Pro For Sho 34dB; if you need a low-profile wireless earbud you can actually sleep on, choose Siowen Sleep Earbuds.
• Pro For Sho 34dB — biggest strength: A certified 34 dB NRR in a compact, foldable over-ear muff (OSHA-adjusted to 31 dB), which is rare for a slim design.
• Pro For Sho 34dB — biggest trade-off: It is passive protection, so it reduces rather than cancels noise, and low-frequency sound like conversation and bass gets through more easily.
• Siowen Sleep Earbuds — biggest strength: A miniature in-ear profile that sits flush so side sleepers can rest on a pillow without a bud digging in, plus Bluetooth 5.4 wireless audio.
• Siowen Sleep Earbuds — biggest trade-off: Battery life is modest at about 4 hours per charge with a 1.5-hour charge time, and there is no published noise reduction rating.
• Who each pick is for: Pro For Sho 34dB is for shooting ranges, power tools, concerts, fireworks and sensory overload; Siowen Sleep Earbuds is for side sleepers, quiet listening and discreet everyday wear.
The Pro For Sho 34dB is built around one number: a 34 dB Noise Reduction Rating, certified to ANSI S3.19 and CE EN 352-1, and adjusted to 31 dB under OSHA guidelines. That is a serious figure for a muff this slim. Most earmuffs that clear 30 dB are bulky and heavy; this one folds down to roughly pocket size at about 7.2 ounces, which is the whole point of the design. It is passive noise reduction, not active cancellation, so it works by sealing and blocking rather than by electronics.
Where it earns its place is loud, physical environments. Shooting, hunting, yard work, drumming, monster truck rallies, Monster Jam, fireworks, NASCAR — anything where the sound is genuinely damaging. It also doubles as a focus tool: as sensory headphones for concentration, meditation, or easing sensory overload, including autism and ASD use. The adjustable padded headband is sized to fit kids through adults, and it comes in Standard and Large, so larger heads have an option.
Siowen Sleep Earbuds: Who It's For
The Siowen Sleep Earbuds solve a different problem: how to wear something in your ears while lying on your side. The buds are engineered miniature and sit flush within the ear, so there is no external protrusion pressing into the pillow. If you have ever woken up because a normal earbud jammed into your ear canal, that low-profile shape is the entire reason to look at these. A stay-in architecture is meant to keep them snug through movement, so they stay put through the night rather than migrating out.
They are wireless, Bluetooth 5.4, with a 10-meter range and compatibility with smartphones and tablets. Sound comes from a dynamic driver covering 20 Hz to 20,000 Hz, and control is by touch for media playback. The charging case uses a twist-open design with polished and matte textures and a metallic-style trim — a small tactile detail, but it makes the case nicer to carry daily. Color is Velvety Black, and the earpieces are in-ear with ear cushions included. There is a 1-year manufacturer warranty and an age range of 6+.
The trade-offs are real. Battery average life is about 4 hours, and a full charge takes roughly 1.5 hours — fine for a night's sleep or a work block, but not for a long-haul flight or a full day of continuous listening. Noise control is listed as passive noise cancellation, which means the seal does the work; there is no published NRR, so I would not treat these as hearing protection for a shooting range or a jobsite. The discreet, flush fit also means they are aimed at subtlety, not at maximum isolation. Skip these if you need certified protection from genuinely dangerous sound levels, or if you want all-day battery.
• Best for certified hearing protection → Pro For Sho 34dB. A 34 dB NRR (31 dB OSHA-adjusted) with ANSI S3.19 and CE EN 352-1 certification is the only real option here.
• Best for sleeping on your side → Siowen Sleep Earbuds. The flush, miniature in-ear profile is designed specifically so a pillow does not press a bud into your ear.
• Best for loud events and power tools → Pro For Sho 34dB. Gunshots, engines and power tools are exactly the high-frequency sounds passive muffs cut best.
• Best for wireless audio → Siowen Sleep Earbuds. Bluetooth 5.4 and a 10-meter range versus no wireless at all on the muffs.
• Best for sensory and focus use → Pro For Sho 34dB. It is positioned for concentration, meditation and easing sensory overload, including autism and ASD.
• Best for long listening sessions → Pro For Sho 34dB. There is no battery to run down; the Siowen gives roughly 4 hours per charge.
• Best for travel and pocket carry → Tie, in different ways. The muffs fold compact at about 7.2 ounces; the Siowen buds plus twist case are smaller but need charging.
• Best for kids → Pro For Sho 34dB for protection, Siowen for listening. The muffs fit kids through adults via the adjustable headband; the Siowen is rated 6+ with a 1-year warranty.
In my opinion, these two are not competitors so much as neighbors, and the deciding question is what you are protecting against. If the answer is loud, damaging sound — a range, a jobsite, fireworks, a race — I would buy the Pro For Sho 34dB. A certified 34 dB NRR in a foldable package that fits kids through adults is hard to argue with, and the lack of a battery means it is always ready. If your problem is comfort in bed, I would buy the Siowen Sleep Earbuds, because almost nothing else in this category is shaped to disappear into your ear against a pillow. Just go in knowing the 4-hour battery and the absence of a published noise rating. Check the current price on Amazon before you commit, then match the pick to the job.
what is passive noise cancelling headphones
Passive noise cancelling headphones reduce sound using physical barriers — sealed ear cups, foam padding, or a snug in-ear tip — rather than electronics. There is no microphone or active circuitry involved. Both products here are listed as passive noise cancellation: the Pro For Sho blocks via its over-ear seal, and the Siowen via its in-ear fit.
how do passive noise cancelling headphones work
They work by putting material between your ear and the noise. The Pro For Sho uses an adjustable padded headband and ear cups with high-protection foam to clamp a seal around the ear, rated at 34 dB NRR. The Siowen relies on miniature buds sitting flush in the ear canal. Both reduce rather than eliminate sound, and low-frequency noise is the hardest to block.
what does passive noise cancelling headphones mean
It means the noise reduction comes from the design, not from a battery. The Pro For Sho is certified to ANSI S3.19 and CE EN 352-1 with a 34 dB NRR, adjusted to 31 dB per OSHA guidelines. The Siowen lists passive noise control too, but publishes no NRR, so treat its isolation as a comfortable seal rather than rated protection.
what are passive noise cancelling headphones good for
They are good for sustained loud environments and for sleep. The Pro For Sho is aimed at shooting, hunting, yard work, drumming, fireworks and races, plus sensory and focus use. The Siowen is aimed at side sleepers and quiet, discreet listening. For extreme noise, adding earplugs under over-ear muffs increases protection further.
As an Amazon Associate I earn from qualifying purchases.
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon and affiliated sites.
When you buy through links on this page, we may earn a commission from qualifying purchases at no extra cost to you.
Amazon and the Amazon logo are trademarks of Amazon or its affiliates. This site is an independent third-party review and is not affiliated with, endorsed by, or sponsored by Amazon or the product brands mentioned.
See also: Navly Headband Headphones vs ZHENYEMEI Sleep Headphones, Linsoul SIMGOT EG280 vs EPZ G30: Low Latency Gaming Earbuds, ZIPFORCE True vs Diyeeni Language Translator Earbuds, Nacon RIG 900 vs Krysenix Gaming Headset: Low Latency Gaming