Pentaconn COREIR Mini Stainless Steel Eartips
Best premium upgrade for wireless earbud users seeking superior sound quality.
Elevate your True Wireless Stereo (TWS) earbuds with Pentaconn COREIR Mini Stainless Steel eartips. Designed for optimal fit and audio performance, these eartips feature a unique shortened stem for seamless charging case compatibility. The integrated stainless steel core enhances durability and refines the sound signature, delivering clearer highs and deeper lows for an immersive listening experience. Crafted from medical-grade liquid silicone, they ensure a secure, comfortable fit that improves noise isolation, boosting both passive and active noise cancellation effectiveness. Compatible with most TWS earbuds, they offer a premium upgrade for your audio.
$24.99
Owner Satisfaction
4.7
/ 5
Category Rank
2
/ 832
#2 in Headphone Cushions & Tips
Price vs Category Average
-65%
Below average
Material
Silicone body with Stainless Steel core
/ Silicone body with Stainless Steel core
Who it's for
- Listeners prioritizing consistent bass performance and secure fit
- Audiophiles seeking maximum sonic transparency and detail
- Frequent travelers needing long-lasting, deformation-resistant gear
Who should skip it
- Owners of IEMs with non-standard or extreme nozzle sizes
- Budget-conscious buyers preferring affordable replacement tips
- Users with sensitive ears prone to fatigue from heavier accessories
Performance breakdown
Acoustic Clarity
The stainless steel core tightens bass response and adds crisp high-end detail.
TWS Compatibility
Shortened stems ensure most charging cases close without any resistance.
Noise Isolation
Medical-grade silicone creates a reliable seal that boosts active noise cancellation.
Material Durability
Metal core construction prevents the common stretching issues found in standard tips.
Ergonomic Comfort
Soft liquid silicone remains comfortable during extended listening sessions.
Fit Versatility
Four size options accommodate a wide range of ear canal shapes.
Key Specs
Material
Silicone body with Stainless Steel core
Sizes Available
S, MS, M, L
Nozzle Diameter Compatibility
Φ3.6-4.5mm
Inner shaft diameter
3.6mm
Height
8.1mm
Dimensions (L × W × H in mm)
S: 11.4 × 8.1 × 3.6, MS: 12.2 × 8.1 × 3.6, M: 12.8 × 8.1 × 3.6, L: 13.6 × 8.1 × 3.6
Attachment Type
Friction Fit
Compatible Headphone Type
In-Ear Monitors
Features
- Shortened stem for TWS charging case compatibility
- Stainless steel core for enhanced acoustics
- Improved sound signature with clarity
- Secure and comfortable fit
- Enhanced noise isolation for ANC/PNC
- Color-coded stems for easy size identification
- Medical-grade liquid silicone for comfort
- Refined and spacious soundstage
What customers say
Audiophiles highly praise the Pentaconn COREIR Mini Stainless Steel Eartips for significant sonic improvements. The stainless steel core is lauded for its robust build and ability to refine IEM acoustics, delivering tighter bass, clearer mids, and an expanded soundstage. The Mini size ensures a secure seal, especially for smaller ears, boosting performance. While users recognize the top tier quality and acoustic gains, the high price point is a notable concern regarding overall value. Some listeners also mention minor comfort trade-offs during long sessions due to the material's rigidity. Overall, these tips are considered an essential, high-performance investment for serious enthusiasts seeking impactful audio upgrades.
Know before you buy
Yes, the COREIR Mini features a shortened stem specifically designed to ensure your earbuds sit properly in their charging case without obstruction.
The metal core provides a more rigid structure than standard silicone, which helps to refine the sound signature by delivering clearer highs and a more spacious soundstage.
These eartips are compatible with most TWS earbuds that have a nozzle diameter between 3.6mm and 4.5mm. Please check your earbud nozzle size before purchasing to ensure a secure fit.
Yes, the medical-grade liquid silicone creates a more secure seal in your ear canal, which improves passive noise isolation and helps your earbuds' active noise cancellation perform more effectively.
The stems are color-coded, making it easy to identify and distinguish between the different sizes available (S, MS, M, and L) at a glance.
The eartips are crafted from medical-grade liquid silicone, which is designed to be soft, hypoallergenic, and comfortable for extended wear.
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$25