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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-05 · 7 min read · Independent comparison
• AZLA SednaEarfit Crystal — biggest strength: premium hypoallergenic German LSR silicone with a naturally grippy surface, an ultra-short 4mm eartip core, and a size range built from analyzing the shape of more than 1,500 ears over two years.
• AZLA SednaEarfit Crystal — biggest trade-off: it is a specialty tip with a specific compatibility list (Beats Powerbeats Pro, Powerbeats Pro 2, Galaxy Buds 2, Buds and Buds+, and other TWS models) and it is explicitly NOT compatible with Galaxy Buds Pro, Galaxy Buds Live or AirPods Pro.
• JNSA Replacement Earbuds Tips — biggest strength: a 6-pair pack (S/M/L, two pairs of each) of soft silicone tips for a defined JBL family, plus a design that stays on the earbud inside the charging case.
• JNSA Replacement Earbuds Tips — biggest trade-off: it is locked to JBL in-ear models with a matching nozzle shape, and the material is generic soft silicone rather than a premium LSR compound.
• Who each pick is for: AZLA for someone who wants maximum comfort, grip and passive isolation on supported TWS earbuds; JNSA for someone replacing worn tips on JBL Tune or Vibe TWS earbuds.
The SednaEarfit Crystal is built around the material. It uses premium hypoallergenic German LSR (liquid silicone rubber), which is the reason it can claim exceptional comfort for long listening sessions while staying gentle on sensitive ears. For anyone who wears earbuds for hours — commutes, long calls, audiobooks, or a family member who keeps earbuds in all afternoon — that material choice is the whole point. The grippy surface of the LSR compound is the second half of the story: it helps hold the earbud in place during workouts, walking and other daily movement, which is exactly the failure mode that frustrates older users of TWS earbuds.
Compatibility is broad but specific. AZLA lists support for Beats Powerbeats Pro and Powerbeats Pro 2 — and notes that the tips keep charging case compatibility — along with Galaxy Buds 2, Buds and Buds+, and "many popular wireless earbuds." The ultra-short 4mm eartip core is what makes that wide TWS fit possible. That said, the sheet is equally clear about the exclusions: not compatible with Galaxy Buds Pro, Galaxy Buds Live or AirPods Pro. If your earbuds are on that list, stop here.
Who should buy it: owners of supported Beats and Galaxy Buds TWS models who want a grippier, more comfortable, better-sealing tip — especially anyone buying for an older listener who needs earbuds to stay put without constant readjusting. Who should skip it: Galaxy Buds Pro, Buds Live or AirPods Pro owners, and anyone who wants a value multi-pack rather than a single premium set.
JNSA Replacement Earbuds Tips: Who It's For
The JNSA tips solve a narrower, very common problem: your JBL TWS earbuds' original tips are lost, torn or just uncomfortable, and you want a like-for-like replacement without hunting down the exact OEM part. The compatibility list is JBL-specific — Tune 230NC TWS, Tune 125TWS, Tune 130NC TWS, Vibe 200TWS and Free X in-ear headphones — and the sheet also notes they fit other JBL TWS in-ear models with the same eartip shape.
The standout practical feature is the charging case fit. The tips are designed to stay on the earbud when you drop it back in the case, so there's no fiddling, no removing anything, no "will this fit in the case" anxiety. For a lot of people — and especially for an older user — that small detail matters more than any spec sheet claim.
The material is high-quality soft silicone: elastic, soft to the touch, reusable and durable. JNSA states that these tips reduce external noise, improve sound quality and provide a comfortable listening experience. That's the standard benefit of a properly sealing silicone tip, and it's the reason replacing worn, hardened tips usually brings an immediate improvement.
What you get is six pairs total, two pairs each in S, M and L. That's enough to fit multiple family members, keep a spare set in a drawer, and experiment with sizes to find which one seals best on your ears. The tips ship in black, and the earbuds themselves are not included — this is tips only.
Who should buy it: anyone with a JBL Tune or Vibe TWS model who needs replacements, wants spares in multiple sizes, or wants to refresh worn tips on a budget. Who should skip it: owners of Beats, Galaxy Buds or other non-JBL models — the shape simply won't match.
• Best for sensitive ears and long sessions → AZLA SednaEarfit Crystal. Hypoallergenic German LSR silicone is the core design decision here.
• Best for staying put during movement → AZLA SednaEarfit Crystal. The naturally grippy LSR surface is engineered to resist slipping.
• Best for passive noise isolation without changing your sound → AZLA SednaEarfit Crystal. The seal is designed to improve isolation while preserving the original sound signature.
• Best for getting the size right → AZLA SednaEarfit Crystal. ML, MS, SS and SSS sizing derived from analyzing more than 1,500 ears over two years.
• Best for Beats Powerbeats Pro / Powerbeats Pro 2 owners → AZLA SednaEarfit Crystal. It maintains charging case compatibility, which many aftermarket tips don't bother to address.
• Best for JBL Tune and Vibe owners → JNSA Replacement Earbuds Tips. Purpose-built for Tune 230NC, Tune 125TWS, Tune 130NC TWS, Vibe 200TWS and Free X.
• Best for spares and multi-size trial → JNSA Replacement Earbuds Tips. Six pairs across S/M/L means two of each size.
• Best for hassle-free daily use → JNSA Replacement Earbuds Tips. The tips stay on the earbud and fit in the charging case, so there's nothing to remove or reattach.
In my opinion, the AZLA SednaEarfit Crystal is the better buy for most people shopping for TWS earbuds — particularly if you're setting up a pair of bluetooth headphones for elderly parents or grandparents. The hypoallergenic LSR silicone, the grippy surface and the ear-shape-derived sizing all target the exact problems older listeners run into: irritation, tips that slip out, and a poor seal that makes everything sound thin. If your earbuds are on the supported list, I'd start there.
That said, if you own JBL Tune or Vibe TWS earbuds, the JNSA pack is the sensible pick — the fit is matched to your model, you get six pairs in three sizes, and the case-friendly design keeps daily use frictionless. Check the current price on Amazon for whichever one matches your earbuds before deciding.
how to connect tws earbuds
Put the earbuds in your ears, then open your phone's Bluetooth settings and select the earbud name from the list of available devices. If they don't appear, return the earbuds to the charging case and take them out again to trigger pairing mode. New replacement tips don't affect Bluetooth pairing — they only change the physical seal.
how to pair tws earbuds
Pairing and connecting are the same step for most TWS earbuds: enable Bluetooth on your phone, power on the earbuds, and tap the model name when it shows up. Once paired, the phone remembers them and reconnects automatically next time. Neither the AZLA nor the JNSA tips change this process in any way.
how to reset tws earbuds
A reset is usually done by placing both earbuds in the charging case and holding the case button until the indicator flashes, or by holding the touch panels on the earbuds for several seconds. The exact sequence varies by brand, so check your earbud manual. The one thing worth noting: JNSA tips are designed to fit inside the charging case, so you don't have to remove them to reset or charge.
how to tws earbuds — which tips fit my model?
Match the tip to your earbuds, not the other way around. AZLA SednaEarfit Crystal covers Beats Powerbeats Pro and Powerbeats Pro 2, Galaxy Buds 2, Buds and Buds+, and many other TWS models — but not Galaxy Buds Pro, Buds Live or AirPods Pro. JNSA covers JBL Tune 230NC TWS, Tune 125TWS, Tune 130NC TWS, Vibe 200TWS and Free X, plus other JBL TWS models with the same eartip shape.
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