We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-06 · 7 min read · Independent comparison
If you want a tiny, no-power desk box that lets you flip between two audio sources on your video calls without yanking cables, choose Y.D.F Audio selector 3.5mm; if you need actual hearing protection with Bluetooth and a microphone built into a padded headband, choose PROHEAR 037. These two look like they belong in the same shopping cart, but they solve completely different problems — one routes sound, the other blocks it while playing it back.
• Y.D.F Audio selector 3.5mm — biggest strength: True passive operation. No battery, no power supply, no software. It's a 2-in-1-out / 1-in-2-out 3.5mm switcher in a full aluminum alloy housing that isolates electrical interference.
• Y.D.F Audio selector 3.5mm — biggest trade-off: It's a signal router, not a listening device. It has no drivers, no microphone, no noise reduction of any kind. It cannot protect your ears or make a call for you.
• PROHEAR 037 — biggest strength: 30dB SNR noise reduction from Sound Isolation ear muffs, plus Bluetooth 6.0, a 1100mAh rechargeable battery, and up to 120 hours of playtime with hands-free calling.
• PROHEAR 037 — biggest trade-off: It's a bulky 16-ounce over-ear earmuff. You wear it, you charge it, and you don't get the plug-and-play simplicity of a passive switcher.
• Who each pick is for: Y.D.F for anyone juggling two audio sources at a desk — perfect as the switch box behind headband headphones for video calls. PROHEAR 037 for anyone who needs quiet first and sound second.
Strip away the shopping-page language and the Y.D.F Audio selector 3.5mm is a small aluminum box roughly 2 by 3 by 0.65 inches. It weighs about an ounce. On the front there's a 1/2 switch and a mute key. That's the whole product. What it does is let you connect two stereo sources — a PC, a laptop, a tablet, a phone, a TV, a game console — and pick which one feeds a single output, or flip the logic and send one source to one of two outputs. The frequency range is 20Hz to 20KHz, and both input and output transmission distances run up to 25 feet with a standard audio cable.
Who should buy it? People who already own decent headphones and just need better plumbing. Who should skip it? Anyone expecting the box itself to deliver audio. It has no speaker, no battery, and no noise reduction. It won't lower the volume of a lawn mower, and it won't cancel the hum of an office HVAC. It also won't improve a bad microphone — it only passes the signal it's given.
PROHEAR 037: Who It's For
The PROHEAR 037 is a different animal entirely. It's a Bluetooth 6.0 hearing protection headphone built around 30dB SNR noise reduction, with an ABS plastic shell, super soft ear pads, and a padded, adjustable headband. It runs on a built-in 1100mAh lithium battery with up to 120 hours of playtime, charges over the included cable, and connects wirelessly at a range of up to 80 feet. There's also a 3.5mm connector, so you can run it wired when you want to. A microphone is onboard for hands-free calls.
The controls deserve a mention because they're designed for gloved hands. Raised buttons let you find volume, track skipping, and call answer/end by feel, without taking the muffs off. PROHEAR also ships it with a black leather bag for storage.
So who is this for? Anyone who works in loud environments — building, lawn mowing, woodworking, landscaping, snowblowing — and wants to keep their hearing intact while still hearing music or a phone call. The 30dB reduction is the headline feature here; the Bluetooth is the bonus. It's adult-sized, standard fit, and at 16 ounces it's a substantial piece of equipment rather than something you forget you're wearing. In my opinion, if you're the kind of person who wants the best wireless headphones for video calls and you spend hours next to loud machinery, this is the shape of product you want.
Who should skip it? Someone who just needs to route audio between two gadgets. This is not a switcher, it has no second input, and it isn't trying to be one.
Side-by-Side: Which Should You Choose?
• Best for hearing protection → PROHEAR 037. 30dB SNR rated noise reduction.
• Best for battery life → PROHEAR 037. The 1100mAh battery is rated for up to 120 hours of playtime. The Y.D.F has no battery at all, which is its own kind of longevity.
• Best for zero maintenance → Y.D.F Audio selector 3.5mm. Nothing to charge, nothing to pair, nothing to update.
• Best for hands-free calls → PROHEAR 037. Onboard mic, Bluetooth 6.0, and gloved-hand controls.
• Best for noisy workplaces → PROHEAR 037. Mowing, workshops, snowblowing are named use cases for a reason.
• Best for a clean desk setup → Y.D.F Audio selector 3.5mm. It's about the size of a matchbox and hides behind a monitor.
• Best for travel → PROHEAR 037. Adjustable headband, replaceable foam pads, and a leather carry bag.
I'd buy the PROHEAR 037. For video calls specifically, it gives me the microphone, the wireless freedom, and the 30dB noise reduction in one wearable package, and the 120-hour battery means I'm not hunting for a charger mid-week. I'd add the Y.D.F Audio selector 3.5mm only if I had two audio sources fighting over one output — it's a $0-in-maintenance accessory, not a replacement for anything. In my opinion, most people searching "best wireless earbuds for video calls" or "best wireless headphones for video calls" want the PROHEAR's combination of protection and playback, not a passive switch box.
how do passive noise cancelling headphones work
Passive noise reduction works by physically blocking sound rather than electronically cancelling it. The PROHEAR 037 does this with Sound Isolation ear muffs rated at 30dB SNR, which means the foam pads and the seal around your ears reduce how much noise reaches you. There's no active circuitry involved in that reduction — the Bluetooth is separate from the protection.
what is passive noise cancelling headphones
The term describes headphones that lower outside noise through their physical design — sealed ear cups, dense foam padding, and a snug fit — instead of microphones and anti-noise signals. The Y.D.F Audio selector 3.5mm is not a headphone at all and offers no noise reduction; it only switches 3.5mm audio signals. The PROHEAR 037 is the one in this pair that actually reduces noise.
what does passive noise cancelling headphones mean
It means the noise reduction comes from the materials and the fit, not from a battery. That's why the PROHEAR 037's 30dB SNR rating stands on its own even when the Bluetooth is off or the battery is empty — the ear muffs still block sound. The Y.D.F, by contrast, has no power source of any kind, which is a feature for switching but irrelevant to hearing protection.
what are passive noise cancelling headphones
They're over-ear protectors or headphones whose padding and enclosure attenuate loud environments. In this comparison, the PROHEAR 037 fits that description with its padded headband, super soft ear pads, and 30dB SNR rating, and it adds Bluetooth 6.0 plus a microphone on top. The Y.D.F Audio selector 3.5mm is a plug-and-play signal switcher, so it belongs in a different category entirely.
If price is the deciding factor for you, check the current price on Amazon for both — the numbers change, and this page doesn't track them. What won't change is the fundamental split: one routes your audio, the other protects your ears while playing it.
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