How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-20 · 6 min read · Independent comparison
• Konohan 150 — biggest strength: 150 individually packed pairs of 3.5 mm wired in-ear earphones in one box, so you can hand them out, replace lost ones and keep spares without thinking about it.
• Konohan 150 — biggest trade-off: no Bluetooth, no noise cancelling, no app, no charging case — it is basic wired audio, nothing more.
• CMF BY NOTHING Buds 2a — biggest strength: true wireless with 42 dB hybrid ANC, a 12.4 mm dynamic driver, four mics and a charging case rated for 35.5 hours of total playtime.
• CMF BY NOTHING Buds 2a — biggest trade-off: it is one pair of earbuds, not a bulk supply, and it needs charging, pairing and a phone or tablet to be useful.
• Who the Konohan 150 is for: teachers, schools, offices, gyms, event organisers and anyone who needs many cheap, disposable wired backups.
• Who the CMF BY NOTHING Buds 2a is for: one person who wants daily wireless listening, noise cancelling on commutes and calls that don't sound like a tin can.
The Konohan 150 is not really a "headphone" in the way most people mean it. It's a logistics product. You get 150 packs of black in-ear wired earphones, each one individually wrapped, and that single detail tells you almost everything about the intended use. This is the box you buy when the question isn't "what sounds best?" but "how do I get working audio into the hands of 150 people without spending a fortune or chasing cables?"
The specs back that up. The housings are mainly TPE with silicone ear tips, chosen for the fact that they don't deform, tear or snap easily — which matters enormously when earphones are being shoved into pockets, backpacks and drawers by kids and adults who don't treat them carefully. Each pair terminates in a standard 3.5 mm jack, so they'll work with most phones, computers, laptops and fitness equipment, and they're explicitly pitched as a fit for school testing. The frequency range is a normal 20 Hz to 20,000 Hz, and there's a basic inline media/voice control on the cable. No Bluetooth, no ANC, no charging case, no app.
Buy it if you're a teacher equipping a classroom, an office manager stocking a drawer, a gym or library handing out loaners, or a parent organising party favours and small rewards. The 150-count means you can lose, break or give away units and still have spares — that's the entire point.
CMF BY NOTHING Buds 2a: Who It's For
The Buds 2a is the opposite philosophy entirely: one product, engineered hard, for one person's ears. The headline spec is 42 dB hybrid active noise cancelling, tuned for everyday scenarios — buses, open-plan offices, cafés. Behind that sits a 12.4 mm bio-fibre dynamic driver, co-tuned with Dirac, aiming for warm mids and a heavy low end rather than a flat, clinical signature. If you like bass, that driver size is the number to care about.
Around the sound, the practical stuff is solid. Bluetooth 5.4 with Google Fast Pair and Microsoft Quick Switch, so pairing to a phone or laptop is quick and the connection should hold at typical room distances (rated to 10 m). Four mics with ENC, Clear Voice Tech and Wind Noise Reduction 2.0 handle calls — a genuine upgrade over wired buds with a single inline mic. IP54 means sweat and light rain are fine, and the lanyard-ready case is a small but genuinely useful touch for people who clip things to bags.
Battery is where it earns its place as a daily driver: 8 hours in the buds and 35.5 hours with the case, with a quick charge that gives up to 2 hours of playback from 5 minutes on the cable. A full charge takes about 89 minutes. The Nothing X app adds custom EQ, adjustable ANC levels including a transparency mode, dual-device connectivity, a find-my-earbuds feature and a low-lag gaming mode.
Buy it if you want one pair of wireless earbuds for commuting, calls, gym sessions and general listening, and you value noise cancelling and bass over everything else. Skip it if you need many units, you rely on a 3.5 mm jack, or you'd rather not manage charging at all.
• Best for bulk supply → Konohan 150. 150 pairs versus 1. If your need is quantity, this isn't close.
• Best for sound quality → CMF BY NOTHING Buds 2a. A 12.4 mm dynamic driver with Dirac tuning and adjustable EQ beats a basic wired driver every time.
• Best for noisy environments → CMF BY NOTHING Buds 2a. 42 dB hybrid ANC and a transparency mode versus noise control listed as none.
• Best for calls → CMF BY NOTHING Buds 2a. Four mics with wind noise reduction, against a single inline wired control.
• Best for battery life → CMF BY NOTHING Buds 2a. 8 hours per charge, 35.5 hours with the case. The Konohan 150 has no battery to run out of — which is its own kind of advantage.
• Best for zero setup → Konohan 150. Plug in and it works. No pairing, no charging, no app, no firmware.
• Best for device compatibility → depends. The Konohan 150 needs a 3.5 mm jack; the Buds 2a needs Bluetooth. Modern phones favour the Buds 2a, older classroom hardware favours the Konohan.
• Best for durability in careless hands → Konohan 150. TPE and silicone built to resist tearing, and losing one of 150 costs you almost nothing emotionally.
For a single personal purchase, I'd buy the CMF BY NOTHING Buds 2a. In my opinion, the 42 dB ANC, the 12.4 mm driver, the 35.5-hour case endurance and the app-level control make it the far more capable product for everyday life — commuting, calls, gym, streaming. The Konohan 150 is a genuinely smart buy, but only for a specific job: distributing audio to a lot of people cheaply. If that's your job, buy the Konohan. If you're buying for yourself, buy the Buds 2a.
They serve different buyers, so "value" means different things. Per pair, the Konohan 150 spreads its cost across 150 units, which is why it wins for schools and events. The Buds 2a concentrates its cost into one feature-rich product. Check the current price on Amazon for both and judge against your actual need.
Yes. They're Bluetooth 5.4 wireless earbuds with no jack, so they pair with iPhone and Android alike. The Konohan 150, by contrast, needs a device with a 3.5 mm headphone jack.
No. Noise control is listed as none. They're basic wired in-ear earphones with a 20 Hz–20 kHz range and an inline media control. For noise cancelling you need the Buds 2a and its 42 dB hybrid ANC.
The Konohan 150 has no battery at all, so it lasts as long as the cable and drivers hold up — TPE and silicone construction is designed to resist tearing. The Buds 2a runs 8 hours per charge and 35.5 hours with the case, and needs roughly 89 minutes for a full charge.
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.