---
product_id: 128573970
title: "CP145-M - Silicone Eartips Replacement for Universal IEM Earphones - 2 Pairs - 4.5mm Nozzle Diameter (Medium)"
brand: "spinfit"
price: "€ 29.92"
currency: EUR
in_stock: true
reviews_count: 13
category: "Spin Fit"
url: https://www.desertcart.ie/products/128573970-cp145-m-silicone-eartips-replacement-for-universal-iem-earphones-2
store_origin: IE
region: Ireland
---

# Ergonomic swivel design for max comfort 4.5mm bore size for precise fit Enhanced noise isolation seal CP145-M - Silicone Eartips Replacement for Universal IEM Earphones - 2 Pairs - 4.5mm Nozzle Diameter (Medium)

**Brand:** spinfit
**Price:** € 29.92
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your earbud game — comfort and clarity that won’t quit!

## Quick Answers

- **What is this?** CP145-M - Silicone Eartips Replacement for Universal IEM Earphones - 2 Pairs - 4.5mm Nozzle Diameter (Medium) by spinfit
- **How much does it cost?** € 29.92 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/128573970-cp145-m-silicone-eartips-replacement-for-universal-iem-earphones-2)

## Best For

- spinfit enthusiasts

## Why This Product

- Trusted spinfit brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable & Stylish:** Premium soft silicone with sleek transparent dark grey finish built to last through daily hustle.
- • **Ergonomic Swivel Tech:** Patented concave core lets tips flex & twist to your unique ear canal shape for all-day comfort.
- • **Universal Compatibility:** Fits a wide range of top-tier earphones including Sony WF-1000X, KZ ZS10, and more — upgrade any setup.
- • **Deep Insertion, Clear Sound:** Deeper ear canal insertion reduces sound obstruction, delivering richer, immersive audio.
- • **Precision Fit for Premium IEMs:** 4.5mm nozzle diameter perfectly matches BA driver earphones like AKG N30/N40 & 1More E1001.

## Overview

SpinFit CP145-M replacement silicone eartips feature a 4.5mm bore diameter designed for universal compatibility with popular IEMs like AKG N30/N40 and 1More E1001. Their patented ergonomic swivel design allows flexible, deep insertion for superior comfort and enhanced noise isolation, resulting in a richer audio experience. Each pack includes 2 pairs of durable, soft silicone tips with a sleek dark grey finish, engineered to provide a secure fit and improved sound seal for professional-grade listening.

## Description

Style: CP145 (bore size 4.5 mm / Single Flange) SpinFit is a patented ear tip. SpinFit has an ergonomic concave design at the core to allow the ear tip to swivel, making it flexible to bend and twist to the contour of a person's ear canal. SpinFit ear tip is able to be inserted deeper into the ear canal, enabling less obstruction along the sound field dispersion path, which results in greater audio experience while providing maximum comfort. WHAT SIZE? The different size ear tips accommodate to different ear canals. Choosing the proper size is critical for a secure, comfortable, and quality result. If you’re unsure, medium size fits most users comfortably. WHICH MODEL? CP 800: inner diameter = 2 mm (Single Flange) CP 100: inner diameter = 3.8 mm (Single Flange) CP 360: inner diameter = 3.6 mm (Single Flange) – for True Wireless CP 145: inner diameter = 4.5 mm (Single Flange) CP 155: inner diameter = 5.5 mm (Single Flange) CP 240: inner diameter = 4 mm (Double Flange – deeper insertion) - CP 240 using insert: inner diameter = 3 mm COMPATIBILITY. Different models are designed with different core sizes to fit all major earphone brands. Please confirm earphone model / measurements before purchase! CP 145 fits models including: AKG N30, N40, N5005 , 1More E1001 Triple Driver, 64 Audio Useries, Audio Technica CKS1100iS, LS200, IM50, FiiO F5, FH1, iBASSO IT03, KZ ZSA, ZS5, ZS6, ZS10, ES4, ATE, ED16, AS10, NuForce BE6, BE Lite3, Sony WF-1000X, TRN V80, and more.

Review: Perfect fit for both my Google Pixel Buds and One Plus Buds Pro! - You know, I'm starting to believe that when people say earbud fitment is a problem with certain buds, what they really should be saying is that the tips fitment is the problem. *The Story* I have had the Google Pixel Buds for about 18 months but the left ear would always fall off. I got the One Plus Buds Pro recently after travelling and forgetting the pixel buds. Upon discovering that all the included tips were not perfect for me, I decided to try a different approach this time out, I knew I'd need something smaller than the smallest tip, yet wider at the tip bottom, so I did some measurements and searched desertcart for tips that matched them. Voila, I ordered these bad boys having ordered the CP 360 in the past to solve the same problem for my Pixel Buds and they fit perfectly. They have a good seal and thus noise cancellation on the One Plus Buds pro works as intended. The additional surprise was that they also fit my Google Pixel Buds and they make them feel like I just got 2 new earbuds and not one. *Quality* These are very well made as I've come to expect from Spinfit. I love the transparent-like dark grey look and you get the sense that they'd hold well for a very long time. *Sound + Noise Cancellation (+ Fitment)* While people would typically attribute earbud tips to sound, I attribute sound to getting a good seal and for these, they get a good seal in my ears thus the sound quality is great and Noise cancellation was noticeably better than when I'd used other tips for the buds. *Overall* Get this if you've got small ears like mine but try taking measurements to be certain before you get them. Chances are that these will be the best tips for you or they won't be if you got your measurements incorrect.
Review: Expensive to but worth it - They are expensive especially when you factor in that you only get two sets of tips. Putting that aside though they are very good, they fit tightly on the earbuds so won't be left in your ear. They are quite soft so make a good seal in the ear but are still comfortable. I only wear my buds for about two hours at a time and not have suffered from ear fatigue in that time.

## Features

- Eartip has a bore size of 4.5 mm which fits earphones that have sound port nozzle 5-6mm. (Mostly w/ BA drivers) Comparable to Comply T-500.
- Compatible with AKG N30, AKG N40, and 1More E1001 Triple Driver
- Included in the box for AKG N5005.
- Package includes 2 pairs of silicone replacement eartips ( 4 pieces ).

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07BPYTS7N |
| Best Sellers Rank | 1,328 in Headphone Earpads |
| Compatible Headphone Models | 1MORE Triple Driver, AKG N30, AKG N40, KZ ED16, KZ ES4, KZ ZS5, KZ ZS6, KZ ZSA, Sony WF-1000X |
| Global Trade Identification Number | 04713037521474 |
| Guaranteed software updates until | unknown |
| Item model number | CP145-M |
| Manufacturer | SpinFit |
| Product Dimensions | 15.24 x 5.33 x 1.78 cm; 8.5 g |

## Product Details

- **Brand:** SpinFit
- **Colour:** Sky Blue
- **Compatible devices:** Headphones with sound aperture of 5-6 mm
- **Item dimensions L x W x H:** 15.2 x 5.3 x 1.8 centimetres
- **Material:** Silicone

## Images

![CP145-M - Silicone Eartips Replacement for Universal IEM Earphones - 2 Pairs - 4.5mm Nozzle Diameter (Medium) - Image 1](https://m.media-amazon.com/images/I/61QgIzqvFiL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect fit for both my Google Pixel Buds and One Plus Buds Pro!
*by J***E on 9 December 2021*

You know, I'm starting to believe that when people say earbud fitment is a problem with certain buds, what they really should be saying is that the tips fitment is the problem. *The Story* I have had the Google Pixel Buds for about 18 months but the left ear would always fall off. I got the One Plus Buds Pro recently after travelling and forgetting the pixel buds. Upon discovering that all the included tips were not perfect for me, I decided to try a different approach this time out, I knew I'd need something smaller than the smallest tip, yet wider at the tip bottom, so I did some measurements and searched amazon for tips that matched them. Voila, I ordered these bad boys having ordered the CP 360 in the past to solve the same problem for my Pixel Buds and they fit perfectly. They have a good seal and thus noise cancellation on the One Plus Buds pro works as intended. The additional surprise was that they also fit my Google Pixel Buds and they make them feel like I just got 2 new earbuds and not one. *Quality* These are very well made as I've come to expect from Spinfit. I love the transparent-like dark grey look and you get the sense that they'd hold well for a very long time. *Sound + Noise Cancellation (+ Fitment)* While people would typically attribute earbud tips to sound, I attribute sound to getting a good seal and for these, they get a good seal in my ears thus the sound quality is great and Noise cancellation was noticeably better than when I'd used other tips for the buds. *Overall* Get this if you've got small ears like mine but try taking measurements to be certain before you get them. Chances are that these will be the best tips for you or they won't be if you got your measurements incorrect.

### ⭐⭐⭐⭐ Expensive to but worth it
*by B***R on 24 June 2021*

They are expensive especially when you factor in that you only get two sets of tips. Putting that aside though they are very good, they fit tightly on the earbuds so won't be left in your ear. They are quite soft so make a good seal in the ear but are still comfortable. I only wear my buds for about two hours at a time and not have suffered from ear fatigue in that time.

### ⭐⭐⭐⭐⭐ Perfect for FIIO FH5
*by L***B on 4 March 2021*

Been looking for suitable tips for my FIIO FH5’s. Using Inairs on my Shure SE215 which are perfect for those. Didn’t work at all for me on the Fiio’s. Felt like they were jammed in my ear and effected the sound, lots of low end but dulled the mids / highs. Similar experience with Comply tips on the Fiio’s too. Tried the Spinfit 155 (medium) which gave a lovely balanced sound, to my ear anyway. They were just a little loose on the nozzle and a tad too long which irritated my ear canals after a while. The Spinfit 145 (medium) are perfect. Snug fit on the nozzle, good seal in the ear canal and used for hours with total comfort. They give the earpieces a better, secure fit than the supplied tips from FIIO. Lovely low end thump but with all the clarity the FH5’s possess. For me the 145’s are a perfect match with the FH5’s. Very subjective I know, but hopefully helpful for anyone looking for suitable tips.

## Frequently Bought Together

- SpinFit CP145 for IEM - M - Patented Silicone Eartips for Replacement, Secure Fit and Supreme Comfort (2 Pairs) (for Nozzle Diameter from 5-6mm)
- SpinFit W1 for IEM - M - Patented Medical-Grade Silicone Ear Tips, Double W-Shaped Tube Core, More Stability

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-22*