We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-18 · 7 min read · Independent comparison
If you want to refresh a pair of Bose headphones you already own for a fraction of what new cans cost, choose YOCOWOCO Ear Pads; if you need a complete wireless headphone with active noise cancelling, choose Wentronic Y04. That's the whole decision in one line. These two products share almost nothing except the word "headphones" — one is a wear-part, the other is a device. Here's how I'd think it through.
• YOCOWOCO Ear Pads — biggest strength: it revives a long list of Bose models (QC25, QC35 I/II, QC15, AE2/AE2i/AE2w, SoundTrue and SoundLink Around-Ear) with soft protein leather and thicker memory foam, and installs in a few minutes with no special tools.
• YOCOWOCO Ear Pads — biggest trade-off: it is not a headphone. If your Bose set is dead, lost or you never owned one, this purchase does nothing for you.
• Wentronic Y04 — biggest strength: a complete over-ear Bluetooth 5.3 headphone with active noise cancelling, 48 hours of playtime, dynamic drivers and a foldable frame.
• Wentronic Y04 — biggest trade-off: it's a standalone headphone, so it can't restore anything you already own — and at 0.69 kg it's a substantial thing to carry, foldable or not.
• Who each pick is for: YOCOWOCO for existing Bose QC/AE2 owners with flattened, peeling or uncomfortable cushions; Wentronic Y04 for someone buying their first (or next) wireless ANC headphone outright.
The YOCOWOCO Ear Pads exist for one job: replacing worn cushions on Bose around-ear headphones. The compatibility list is unusually broad for a single replacement pad — QuietComfort 25, QC2, QC15, QC35 Series I and II, AE2, AE2i, AE2w, plus SoundTrue Around-Ear and SoundLink Around-Ear. If you own any of those, this pad is aimed squarely at you. The build is soft protein leather over thicker memory foam with an ergonomic shape, and per the manufacturer it's designed to enhance sound and help block out noise — which is exactly what a fresh, properly sealing cushion does on a headphone whose original pads have gone flat.
What I like about the design brief here is how low-effort the swap is meant to be. The listing describes installation as a three-to-five-minute job with no special tools, and there's a step-by-step video guide. That matters, because the biggest reason people live with shredded earpads is the fear of breaking a headphone they paid real money for. A pad that clips or stretches on in minutes removes that excuse. YOCOWOCO also backs it with a six-month warranty, and the company explicitly invites you to contact them with order questions rather than leaving you stranded.
Who should skip it? Anyone without a compatible Bose model, and anyone whose actual problem is the headphone itself — a blown driver, a dead battery, a broken hinge. New pads won't fix electronics. Also skip it if you want wireless audio out of the box; this is a cushion, not a device. The item measures roughly 3.9 x 3.1 x 0.7 inches and comes in a silver faux-leather finish, so it's a small, light parcel rather than anything you'd plan a purchase around logistically.
The Wentronic Y04 is a different animal entirely — a self-contained over-ear Bluetooth headphone in a "Starlight" colourway with a minimalist style name. The headline feature is active noise cancelling built around multiple microphones, and the manufacturer positions it for exactly the environments where that matters: subway cars, busy streets, aircraft cabins. That's a sensible framing. ANC is the feature people actually feel on a commute, and pairing it with a foldable frame suggests the Y04 was designed as a travel-first headphone rather than a desk ornament.
Sound is handled by large dynamic drivers covering 20 Hz to 20,000 Hz — the full standard audible range. The stated tuning goal is balance: bass present but not bloated, natural vocals, crisp treble. That's a description of a generalist signature, not a basshead or audiophile specialty. For podcasts, playlists, calls and video, a balanced dynamic driver is the safe, flexible choice.
The portability story is genuinely thoughtful. The foldable structure is meant to collapse down for a backpack, suitcase or small handbag — a real convenience if you commute or travel often. Battery life is listed at 48 hours, which on paper is enough for a multi-day trip without a charger, and Bluetooth 5.3 is the current mainstream wireless standard. Controls are physical push buttons rather than touch, which some people will prefer because buttons give tactile feedback without accidental swipes. There's also a 3.5 mm jack, so you can wire in when the battery runs out or when you're on a flight with an in-seat system. The warranty runs 12 months.
Who should skip it? Anyone who already owns a Bose QC set and simply needs new cushions — buying a whole new headphone to solve a pad problem is the wrong tool. And if you want the lightest possible travel kit, note the 0.69 kg weight; that's a chunky item, and the plastic enclosure is built for portability rather than premium materials. It's also an adult-oriented product, one unit per box, with the manual included.
• Best for reviving a Bose QC25/QC35/AE2 → YOCOWOCO Ear Pads. Nothing else in this comparison fixes worn cushions on headphones you already own.
• Best for a complete wireless headphone → Wentronic Y04. It's the only one of the two that actually plays music on its own.
• Best for active noise cancelling → Wentronic Y04. Multiple-mic ANC is a core feature; the YOCOWOCO pads only help your existing Bose seal better.
• Best for battery life → Wentronic Y04. 48 hours of listed playtime, plus a 3.5 mm wired fallback.
• Best for travel and packing → Wentronic Y04. The foldable frame is designed to collapse into a bag; the pads just sit in a drawer until you need them.
• Best for comfort on an existing headphone → YOCOWOCO Ear Pads. Soft protein leather and thicker memory foam target the exact parts that flatten over years of use.
• Best for a five-minute DIY fix → YOCOWOCO Ear Pads. No special tools required, with a video walkthrough.
• Best for someone starting from zero → Wentronic Y04. If you don't already own a compatible Bose model, the pads are irrelevant to you.
In my opinion, the right choice depends entirely on what's already in your bag. If you own a Bose QC25, QC35, QC15 or AE2 and the cushions are cracked, flat or uncomfortable, I'd buy the YOCOWOCO Ear Pads — it's the cheaper, smarter move and it keeps a headphone you already like in service. If you don't own a compatible Bose model, or you want ANC, wireless freedom and 48 hours of playtime in one purchase, I'd buy the Wentronic Y04 instead. Two different problems, two different answers. Check the current price on Amazon for whichever one matches your situation.
FAQ
They're designed for Bose QC25, QC2, QC15, QC35 I, QC35 II, AE2, AE2i, AE2w, SoundTrue Around-Ear and SoundLink Around-Ear models. If your model isn't on that list, they're not the right fit.
That's clearly what it's built for. Active noise cancelling with multiple microphones targets subway, street and cabin noise, and the foldable frame plus 48-hour battery suit travel.
Fresh, thicker memory-foam cushions restore the seal around your ears, which the manufacturer says enhances sound and blocks noise. Worn pads leak bass and let noise in, so a proper seal helps — but pads can't change the driver inside your Bose.
The YOCOWOCO Ear Pads carry a six-month warranty, while the Wentronic Y04 is covered for 12 months. Both brands invite you to contact them directly with questions.
Yes. It includes a 3.5 mm jack, so you can listen wired — useful when the battery is empty or when you're plugged into an in-flight entertainment system.
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