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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-24 · 6 min read · Independent comparison
• Konohan 18 — biggest strength: 18 individually wrapped on-ear headphones in multicolor, each adjustable with PU leather ear pads and active noise cancellation, sized to fit most students and adults.
• Konohan 18 — biggest trade-off: no microphone and no inline volume control, so it fits listening and testing tasks better than two-way class participation.
• Yunsailing 30 — biggest strength: 30 black on-ear headphones with a microphone and a volume control on the cable, aimed at labs, libraries and standardized testing.
• Yunsailing 30 — biggest trade-off: sound isolation rather than active noise cancellation, and a single black finish instead of mixed colors.
• Who Konohan 18 is for: teachers and event organizers who want a colorful, adjustable class set that younger students will actually enjoy wearing.
• Who Yunsailing 30 is for: schools, computer labs and training centers that need a larger headcount and a microphone for speaking and listening exercises.
Konohan 18 is built around one idea: hand out a headphone to every student without a fight over whose is whose. You get 18 packs, each wrapped individually in a PE bag, in classic mixed colors. That wrapping matters more than it sounds. A teacher can pass out a full class set, collect it at the end of the period, and keep each pair separated instead of untangling a communal pile.
The fit is where this set earns its keep. The headphones are adjustable, so they sit properly on a range of head sizes, from younger students up to adults, and the on-ear design with PU leather ear pads is meant to stay comfortable through a full lesson rather than a five-minute demo. The frame is lightweight, which is what you want when 18 of them are being carried between rooms, and the ABS shell with a PVC cable around 1.2 meters (about 3.94 ft) is specified as corrosion-resistant and reusable rather than disposable. The cable length is sensible for a desk or a laptop station — long enough to move, short enough not to become a trip hazard.
Who should buy it: classroom teachers, test coordinators, after-school programs and anyone running events who needs a colorful, adjustable, reusable set that doubles as a reward or party favor. Who should skip it: anyone who needs students to talk back through a microphone, or who wants cable-level volume control. If your lessons involve recording, speaking practice or voice apps, this isn't the set.
Yunsailing 30: Who It's For
Yunsailing 30 goes wider on headcount and adds a feature Konohan 18 doesn't have: a microphone. Thirty black on-ear headphones with a 3.5 mm jack, a volume control on the cable and sound isolation. For a school, that combination points at a specific job — language labs, listening consoles, computer rooms, standardized testing and any station where a student needs to hear prompts and respond out loud.
The build is ABS and rubber with a metal stem, and the design is deliberately plain: black, no color coding, on-ear cups. That's a defensible choice for institutions because a uniform set is easier to inventory and replace in ones and twos. The frequency range is the same 20 Hz–20,000 Hz with a dynamic driver, so the two sets are in the same ballpark on paper for general listening. Yunsailing uses sound isolation instead of active noise cancellation, which is the honest way to describe passive on-ear cups — they block some surrounding noise through the physical seal, not through electronics.
The practical gap is the microphone and the inline volume control. In a lab, that means a student can join a listening exercise, repeat a phrase, or take a speaking-assessment without a separate mic. The volume control on the cable is a small thing that saves a lot of hassle when thirty people are working at different comfort levels and you don't want to keep walking to the source device.
Weight is worth flagging honestly. The listed item weight is 1.61 kg for the set, which is noticeably heavier per unit than the Konohan set's 2.9 pounds over 18 units — this is a sturdier, more institutional build, not a featherweight one. Who should buy it: schools, universities, libraries, museums, galleries, computer labs and businesses that need a large matched set with microphones. Who should skip it: a teacher who wants a smaller, more colorful set for young kids, or anyone who specifically wants active noise cancellation.
Side-by-Side: Which Should You Choose?
• Best for active noise cancellation → Konohan 18. It's the only one of the two that lists ANC; Yunsailing 30 relies on passive sound isolation.
• Best for cable volume control → Yunsailing 30. The inline volume control is a real convenience in a shared lab.
• Best for a colorful, kid-friendly set → Konohan 18. Multicolor finishes and individual PE-bag wrapping suit younger students.
• Best for a larger headcount → Yunsailing 30. 30 units against 18 means one order covers a bigger room.
• Best for a mixed-age fit → Konohan 18. Adjustable on-ear cups are specified to fit most students and adults.
• Best for a uniform institutional look → Yunsailing 30. All-black with a metal stem is easier to keep track of and replace.
• Best for a reward or party favor → Konohan 18. The color variety and individual wrapping make it gift-ready.
For a general classroom or a school that needs headphones students will happily wear, I'd buy the Konohan 18. The adjustable fit, PU leather pads, multicolor shells and active noise cancellation line up with what most teachers actually deal with: lots of head sizes, lots of kids, and one shared set that has to survive the year. I'd pick the Yunsailing 30 instead if the room needs microphones and volume controls — a language lab, a testing center or a computer lab with thirty seats. Match the set to the lesson, and either one does its job.
how to adjust headphones on iphone
Plug the 3.5 mm jack into the phone or an adapter, then open Settings and use the volume buttons or the on-screen slider. On Konohan 18 the headband slides to fit your head; on Yunsailing 30 you also get a volume control on the cable. If your iPhone has no headphone jack, you'll need a 3.5 mm adapter.
how to adjust headphones
Fit first, then sound. Extend or shorten the headband until the on-ear cups sit comfortably over your ears — both sets here are adjustable, and Konohan 18 is specified to fit most students and adults. After that, adjust listening level at the source device, or on the Yunsailing 30's inline control.
how to adjust headphones volume
Use the source device's volume buttons or slider. On the Yunsailing 30 you can also turn the volume control on the headphone cable, which is handy when several people share the same source. Konohan 18 has no inline control, so you adjust volume only from the phone, computer or tablet.
how to adjust headphones sound
You can't change the driver tuning, but you can change what reaches it. Both sets use a dynamic driver with a 20 Hz–20,000 Hz range and a 3.5 mm jack, so the source and its equalizer do the work. Konohan 18 adds active noise cancellation, which cuts background noise rather than reshaping the music itself.
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