TWISTURA Star

Get the fit right before changing the sound.

A practical guide to tip size, retention, comfort and repeatable comparisons, with eartips worth trying.

2 min readBuying guide

Pictured: TWISTURA Star. Catalog photography.

Change one variable at a time

Keep the earphone, recording and volume setting constant while comparing a different tip size. Start with the supplied kit rather than buying several accessories before learning what fits. Note whether the earphone stays in place when you move your jaw or walk normally.

Different sizes on the left and right may be more useful than forcing a symmetrical choice. Comfort is not a contest of how deep a product can be inserted. Follow the model instructions and do not force an uncomfortable fit. Return to the previous comfortable setup when a change makes the experience worse.

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TWISTURA / Eartips

TWISTURA Star

Why it is here. Soft liquid silicone in S, M and L. TWISTURA says the shape forms a small air chamber that adds a little bass weight while sealing without pressure.

Before buying: Check fit, source connection and the exact included accessories.

Match the tip to the nozzle

The internal bore and grip must suit the nozzle. A tip that appears similar in a photograph may not retain securely on a different model. Check the maker compatibility guidance and whether the package is intended for a wired IEM or a shallow-fitting true-wireless case.

Shure, for example, lists specific compatible earphones for its replacement sleeves rather than claiming universal fit. Apply the same check here: read the size options and compatibility notes on each product page. The eartips below are options to try, not an automatic match for every IEM.

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SpinFit / Eartips

SpinFit W1

Why it is here. Five sizes, including the smaller SS and MS, which helps if standard small tips still feel too big. 4.69 out of 5 from 13 owners.

Before buying: Check fit, source connection and the exact included accessories.

Material and shape are not universal EQ presets

Foam, silicone, flange shape and bore dimensions offer different physical choices. They do not provide a reliable universal recipe such as one material always being warmer by a fixed number of decibels. The finished fit, earphone geometry and the listener all matter.

Keep a short note of the fit you prefer, including tip size and how the earphone sits. When looking at a measurement, ask whether its tip and insertion conditions resemble your comparison. A beautifully smooth curve from a different setup does not resolve a physical fit problem.

Choose the question that matters to you.

Your priorityWhat to compare
The IEM moves during useRecheck size and retention using the manufacturer fit instructions.
A new tip feels uncomfortableGo back to the comfortable fit; do not force extra depth.
The tip looks right but the nozzle is differentVerify dimensions and retention before purchasing.

Keep the whole carry system usable

Store tips and earphones without pulling the cable sharply around the nozzle. Check cleaning and replacement instructions for the particular material. Choose a case with enough internal space for the earphones and loosely coiled cable, rather than one that presses on the connectors.

The shortlist below lists individual eartips with their current prices. Mixed-size packs, such as the DUNU Candy pack with one pair each of S, M and L, are a low-cost way to find your size, but a pack is not a guarantee of compatibility. If you are unsure, check the product page or ask Linsoul support before ordering.

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Pentaconn / Eartips

Pentaconn COREIR Eartips

Why it is here. A premium option with a brass core that keeps the sound bore from collapsing, sold in two-pair packs from S to L with colour-coded sizes.

Before buying: Check fit, source connection and the exact included accessories.

Compare the featured products.

Compare the same details, side by side.

At a glance
TWISTURATWISTURA Star
SpinFitSpinFit W1
PentaconnPentaconn COREIR Eartips
Product typeEartipsEartipsEartips
Configuration———
Driver technologies———
Sound———
Why consider itSoft liquid silicone in S, M and L. TWISTURA says the shape forms a small air chamber that adds a little bass weight while sealing without pressure.Five sizes, including the smaller SS and MS, which helps if standard small tips still feel too big. 4.69 out of 5 from 13 owners.A premium option with a brass core that keeps the sound bore from collapsing, sold in two-pair packs from S to L with colour-coded sizes.
Price $10.90 USD $13.99 USD $49.00 USD
Product detailsView productView productView product
Product gallery

Pentaconn COREIR Eartips, in detail.

5 photos

Your shortlist for this guide.

Confirm current price, availability and the exact option on the product page.

6 curated choices for this guide.

Sound labels are editorial proposals, not independent listening tests.

A few useful answers.

Will foam always make an IEM warmer?

No fixed change is promised here. Compare the exact earphone and fit, not the material name alone.

Can I use a generic case for any headphone?

Check internal size and shape. A small IEM case is not a headphone case.

Make the choice your own.

Use the guide to decide what matters. Open the product page for exact options, or combine your preferences in the Product Finder.

Sources