How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want wireless earbuds plus wired backups in one box, choose BLXSounds A9; if you need reusable earplugs built purely to block noise, choose Vosaf Ear Plugs. These are two very different products that only look related because both go in your ears. One plays sound, the other shuts sound out. Here's how I'd decide between them.
• BLXSounds A9's biggest strength: two products in one package — Bluetooth 5.3 wireless earbuds with 40H total playtime, plus a 2-pack of USB-C wired in-ear headphones for devices you'd rather plug in.
• BLXSounds A9's biggest trade-off: it's an audio product, not a hearing-protection product. Its ENC noise cancelling is about clearing up your voice on calls, not silencing a snoring partner or a jet engine.
• Vosaf Ear Plugs' biggest strength: single-minded noise blocking — the brand's lab testing points to up to 95% noise reduction, with four ear-tip sizes (XS/S/M/L) and soft silicone for long wear.
• Vosaf Ear Plugs' biggest trade-off: there's no audio at all. No music, no calls, no Bluetooth. If you want to hear something, these are the wrong tool.
• Who BLXSounds A9 is for: anyone who wants one purchase covering wireless listening and a wired fallback.
• Who Vosaf Ear Plugs are for: sleepers, travelers, concert-goers, students and shooters who want quiet, not sound.
The A9 is a hybrid kit. You get a pair of A9 Pro wireless earbuds with Bluetooth 5.3 and one-step automatic pairing, which means they should connect to most Bluetooth-enabled phones, tablets and laptops without fiddling. The case carries the battery story: roughly 6 to 8 hours of playtime per charge, and up to 40 hours total with the case, plus an LED display that shows the case's power level so you're not guessing.
Then there's the second half of the box: a 2-pack of USB-C wired in-ear headphones. That's the part I find genuinely useful. Wired buds need no charging, no pairing and no battery anxiety — you plug into a laptop, a phone with USB-C, and you're listening. The inline remote and mic let you take calls without reaching for your phone, and the ergonomic shaping is aimed at smaller ears for long, comfortable sessions.
On the wireless side, the A9 leans on immersive stereo sound with deep bass, ENC noise cancelling for clearer calls in noisy places, and smart touch controls for music and calls. My honest read: the ENC is a calling feature. It helps the person on the other end hear you, and it does not function like active noise cancellation that mutes your room. If your goal is a quieter commute rather than a clearer phone call, this is not the product for that job.
Buy the A9 if you want one box that covers wireless listening, wired listening and hands-free calls across iPhone, Android, laptop and Pixel-style devices. Skip it if what you actually need is silence — for sleep, for studying in a loud house, or for protecting your ears at a show. It's also worth checking the current price on Amazon, since a two-product bundle should be judged as a bundle.
The Vosaf Ear Plugs do one thing and don't pretend otherwise. The brand's lab testing supports up to 95% noise reduction, and the examples it gives are practical ones: around 30dB of traffic, 25dB of snoring, airplane engines above 80dB. The pitch is that these lower those down to a level you can actually rest through. Take the "fall asleep 2x faster" claim as the brand's own marketing framing rather than something I can verify — but the underlying idea, that blocking disruptive sound helps you sleep, is sound.
Comfort is where the design details matter most. Vosaf uses soft hypoallergenic silicone in an earbud shape, and ships four tip sizes — XS, S, M and L — which is the real reason these can suit a wide range of ear canals. Sizing is the whole game with earplugs: the wrong tip either leaks noise or aches after an hour. The brand says 92% of users in its product trials reported all-night comfort; that's their trial, not an independent test, so treat it as a signal rather than proof.
Beyond sleep, these are positioned as concert earplugs that shield ears from levels above 100dB while keeping music clear, and as everyday gear for red-eye flights, subway commutes, work, study and shooting. They're reusable and washable rather than disposable foam, which is the more sustainable route and the reason the brand talks about long-term cost. The whole kit weighs under 20g and comes with a compact aluminum case in an Obsidian finish, so it disappears into a pocket or carry-on.
Buy Vosaf if quiet is the entire point. Skip it if you want to hear anything through them — there's no speaker, no mic and no Bluetooth here.
• Best for listening to music or taking calls → BLXSounds A9. The Vosaf has no audio function at all.
• Best for sleep, snoring and noisy neighbours → Vosaf Ear Plugs. Up to 95% noise reduction is the core of the design.
• Best for battery life → BLXSounds A9. 6–8 hours per charge and up to 40 hours with the case.
• Best for long-wear comfort in silence → Vosaf Ear Plugs. Soft silicone plus four tip sizes (XS/S/M/L) to match your ear canal.
• Best for concert and loud-event ear protection → Vosaf Ear Plugs. Designed for sound above 100dB while keeping music clear.
• Best for device flexibility → BLXSounds A9. Bluetooth 5.3 for wireless, plus USB-C wired buds for anything you'd rather plug in.
• Best for clear voice on calls in noisy places → BLXSounds A9. The ENC mic is built for exactly that.
• Best for a pocket-sized, reusable, washable kit → Vosaf Ear Plugs. Under 20g with a compact aluminum case.
My Verdict
No. The A9 is a listening device — Bluetooth earbuds plus two wired USB-C in-ear headphones. Vosaf Ear Plugs are hearing protection with no audio, mic or Bluetooth.
Not in the electronic sense. They physically block sound, with the brand citing up to 95% noise reduction. The A9's ENC is a call-clarity feature, not room-silencing cancellation.
Vosaf Ear Plugs, clearly. They're designed for sleep, snoring and travel, with soft silicone and four tip sizes for all-night wear. The A9 is for audio, not for shutting out a room.
They're different product categories, so compare them as such: one box of audio gear versus a reusable earplug kit with a carry case. Check the current price on Amazon for each and judge the A9 as a bundle, since it includes three items in total.
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