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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want a proven, long-running on-ear design with a collapsible frame, a headset cable and a lifetime warranty, choose Koss Porta Pro; if you need a large USB-C classroom set in mixed colors for kids and students, choose YFSFQS USB Type C.
• Koss Porta Pro — biggest strength: a tunable, collapsible on-ear frame with ComfortZone temporal pads, an in-line mic and remote, and a rated 15–25,000Hz range from a dynamic driver.
• Koss Porta Pro — biggest trade-off: it's a single wired 3.5mm unit with no noise control and no USB-C, so it's one headphone for one person.
• YFSFQS USB Type C — biggest strength: one order is a bulk 25-pack of on-ear USB-C headphones in mixed colors, aimed at classrooms, schools and shared devices.
• YFSFQS USB Type C — biggest trade-off: 32 ohm, 20Hz–20,000Hz, no microphone, no remote and no noise control — it's a straightforward listening headphone, not a headset.
• Who each pick is for: Koss Porta Pro for one listener who wants a recognizable, foldable on-ear headphone with call and track controls; YFSFQS USB Type C for a teacher, school or family equipping many USB-C tablets, laptops or phones at once.
The Porta Pro is the classic on-ear shape done with unusual thought. The headband collapses, so the whole thing flattens down for a bag or a pocket, and the earcups sit on the ear rather than around it. Koss calls the pad design "ComfortZone," which is a temporal pad that can be set for a secure fit. In practice that matters on an on-ear headphone: the clamp is what decides whether you can wear it for a whole commute or a whole afternoon. Plastic enclosure, rounded cushioned earpieces, black finish — nothing exotic, everything functional.
Audio-wise, the numbers tell you what to expect. A 60 ohm impedance and a dynamic driver covering 15–25,000Hz is a wide, bass-friendly range, and the Porta Pro's reputation for deep bass with a strong midrange lines up with that spec. Wired 3.5mm jack, no battery, no pairing, no charging — plug it in and it plays. The cable is described as a rugged system with spring-reinforced strain relief, which is the part that usually dies first on any wired headphone, so that's a genuinely useful detail rather than marketing filler.
The headset side is the newer part. There's an in-line microphone and a one-touch remote, so you can answer and end calls and pause, play or skip tracks without touching the phone. Control type is listed as volume control with a touch controller. Noise control: none — this is a passive on-ear, so it blocks what the pads physically block and nothing more.
Buy it if you're one person who wants a foldable, wired on-ear headphone with a mic, a remote and a very long pedigree (the model dates to 1984, and the brand backs it with a lifetime warranty). Skip it if you need USB-C, you need several headphones at once, or you want active noise cancellation.
This is a different product category wearing a similar shape. The YFSFQS listing is a bulk 25-pack of wired on-ear headphones with a USB Type C plug, in mixed colors, described for school classrooms and for boys, girls, students, tablets, travel, computers and smartphones. The audience listed is "Kid, Teen, Adult," and the warranty is one year. If you read that as "a personal audiophile headphone," you'll be disappointed; read it as "a box of headphones for a room full of people," and it makes complete sense.
The build details point the same way. The enclosure uses silicone, fabric and memory foam, which is a comfort-first combination for smaller heads and longer wear, and the earpiece shape is a plain on-ear. The driver is rated 32 ohm across 20Hz–20,000Hz — an easier load than the Koss, which means it'll play at a reasonable volume straight out of a tablet or laptop headphone port without a dongle or amp. USB Type C is the whole point here: modern tablets, many laptops and most recent phones have dropped the 3.5mm jack, and a classroom set of USB-C headphones avoids the adapters that go missing.
What it doesn't have is just as important. There's no microphone, no remote, no volume control and no noise control listed. So no calls, no track skipping from the cable, no isolation beyond the pads. The one service note in the listing is a support line: contact them if you have questions and they'll reply.
Buy it if you're outfitting a classroom, a school, a computer lab, a library or a big family with USB-C devices, and you want on-ear comfort with color variety so kids can tell theirs apart. Skip it if you need a microphone for calls or classes, you want a single premium pair, or your devices still use a 3.5mm jack.
• Best for calls and online classes → Koss Porta Pro. It has the in-line microphone and one-touch remote; the YFSFQS has no mic at all.
• Best for a classroom or bulk order → YFSFQS USB Type C. It ships as a 25-pack in mixed colors; the Koss is a single headphone.
• Best for modern USB-C tablets and laptops → YFSFQS USB Type C. Native USB Type C plug, no adapter needed.
• Best for older phones, players and 3.5mm gear → Koss Porta Pro. Straight 3.5mm jack, wired, no charging.
• Best for portability and storage → Koss Porta Pro. The headband collapses for protective storage; the YFSFQS is a fixed on-ear frame.
• Best for easy-to-drive volume from small devices → YFSFQS USB Type C. 32 ohm versus the Koss's 60 ohm, so it needs less push from a weak output.
• Best for wide-range, bass-forward listening → Koss Porta Pro. 15–25,000Hz against 20Hz–20,000Hz.
• Best for long-term ownership peace of mind → Koss Porta Pro. Lifetime warranty versus one year.
For one person buying one headphone, I'd take the Koss Porta Pro. The collapsible frame, the ComfortZone fit, the mic and remote, the 15–25,000Hz dynamic driver and the lifetime warranty make it the more complete on-ear headphone for everyday listening and calls — as long as your device still has a 3.5mm jack. I'd only go the other way if USB-C is non-negotiable or you're equipping a group: then the YFSFQS 25-pack is the practical buy, because no single premium headphone solves the problem of twenty-five students and twenty-five missing adapters. If budget is the deciding factor for either one, check the current price on Amazon before you commit.
how to fit on ear headphones
On-ear cups rest against the outer ear, not around it, so the fit is set by the headband and pad position. On the Koss Porta Pro, adjust the headband and use the ComfortZone temporal pad setting until the cups sit flat and secure without pressing hard. On the YFSFQS, the memory foam, fabric and silicone padding is fixed, so you simply slide the headband to size.
how to clean on ear headphones
Wipe the pads and headband with a slightly damp cloth, then dry them fully before use. The YFSFQS pads use fabric, silicone and memory foam, so avoid soaking them or using harsh solvents. The Koss Porta Pro is a plastic enclosure with cushioned earpieces, so a soft cloth and mild soap on the plastic is enough — keep moisture away from the cable, remote and jack.
how to ear headphones
If you mean putting them on correctly: the L and R cups go on the matching ears, cups flat against the ear, headband over the top of your head. Both of these are on-ear designs, so the pads should touch your ears lightly. Push the headband down until it feels stable, then check that the cable hangs on the side you prefer.
how to open ear headphones
Neither of these is an open-ear design, so there's nothing to unfold on the ear itself. The Koss Porta Pro does open and collapse at the headband — that's the folding mechanism for storage, not a fit adjustment. The YFSFQS is a fixed-frame on-ear headphone; just extend the headband and place it on your head.
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