TAS Commitment
Description
Now meet the apex of in-ear listening
The utmost spacious sounding eartips
With Ultra-Pure Liquid Silicone and Crystal Clear Sound
Nozzle adapter included
EVER PULLED OUT YOUR EARTIPS BECAUSE THEY HURT?
Pressure caused by stiff and inflexible eartips
The pain builds up the longer you wear them
Danger from defenseless exposure of germs
Looking for a set of comfortable and clean eartips?
Snugs into your ears light and gentle as a feather
WHY CRYSTAL?
- Incredibly comfortable
- Anti-germ premium materials
- Designed based on 788 different ear canal models
- A complete overhaul in sound quality
- Ultra-tight seal that enhances the sound quality
- Grips into the ears firm and tight
WHAT MAKES IT SO COMFORTABLE?
Ordinary form or silicon eartips | Crystal Standard |
Often provided with only S/M/L sizes, making it unfavourable to finding the right fit for every ear Materials are vulnerable to contamination and germs Feels stiff in the ears as they are squeezed in by force |
Wide range of size options / Carefully designed form factors based on 788 different ear impressions German LSR Hypo-allergenic materials that allow a clean and neat usage Gently snugs into the ears without any pain or discomfort |
The ultimate solution for achieving sound quality and comfort
WHY CHOOSE CRYSTAL?
ZERO Pressure Built for comfort
Designed based on 788 different ear impressions and 182,000 aftermarket eartips. The epitome of comfort born through endless research
The umbrella and the core portion are constructed with different solidities that ensures a firm grip while preserving comfort. Thus, unlike the others, we utilized two moles per size, resulting in 12 moulds in total. This allowed us to mark the highest precision in our productions.
- Light as air
- Installs like glue
- Tight and firm
- Cutting-edge precision
PUTTING THE FORM FACTORS ASIDE
EVEN THE MATERIALS ARE MADE FOR EXTREME COMFORT
Top-shelf German LSR materials
Crystal adopts hypo-allergenic materials that allow incomparable smoothness and comfort Along with significant resistance towards allergies or itchiness.
LSR materials used for Crystal are nonhazardous as well as the safest material to make contact with.
* LSR(Liquid Silicone Rubber): Liquid Silicone Rubber is an elastomer, a two-component platinum-cured silicone with high purity, that includes materialistic properties such as thermo-oxidative resistance, low surface tension, low-temperature flexibility, and fine dielectric properties. The German Premium LSR we have chosen is known for having an exceptionally fast hardening cycle as well as advanced performance characteristics, resulting in high-tech industries making great use of them for manufacturing major tech components.
- Premium material
- Hypoallergenic
- Durable
- Extremely comfortable
- Pollution Prevention
LET YOUR SENSE OF MUSIC BLOOM EVEN BRIGHTER.
Increasing the value of the device.
It gives you a great sense of immersion.
Research for a comfortable fit.
THE ULTIMATE EARTIP CHOICE FOR YOUR BELOVED DEVICES
Losing your earpieces is no longer a concern.
‘Comfortable yet mighty fixation’
Incredibly secure fit that could handle your intensive workouts and rush movements
- A fit that is made for you
- Snugs tight into the ears, resting you assured
- Immerse yourself into music with stronger noise-cancellation
FEEL FOR YOURSELF
Top-shelf materials combined with innovative designing
Spatial and sparkly clear sound
- Inner diameter: 3.6mm
- Outer diameter:
- SS 10.4mm
- S 11.2mm
- MS 11.9mm
- M 12.6mm
- ML 13.3mm
- L 14mm
Experience superior sound quality and comfort with Azla, the leading brand from Korea specializing in high-quality eartips for IEMs, earphones, and TWS. Azla's premium eartips are designed to provide a perfect fit and enhance your audio experience. Explore our collection of Azla eartips at The Audio Store now!
Best one paired well with iem
Great quality, improved my listening experience
This is the size which is perfect for my ears to use the IE900 as far as silicon tips are concerned. M size blocks perfectly the noise and bass leak. Great buy indeed.
Thank you for taking the time to leave a review for the AZLA SednaEarfit Crystal Standard. We're glad to hear that it's a great fit for your IE900 and effectively blocks noise and bass leak. We appreciate your support and hope you continue to enjoy your purchase.
After reading reviews, I ordered the Azla Sedna Earfit Crystal Medium Small size. These ear tips are very unique and have an adhesiveness to them which makes them really fit inside the ear canal. The sound quality greatly improves due to the compactness of the fit. These are premium ear tips and should last long in my opinion. I think the medium size is perfect for people with normal size ear canals. Really good stuff.
Thank you for your review! We're glad to hear that the Azla Sedna Earfit Crystal Medium Small size fit perfectly and improved your sound quality.
They may use all the available terminology while defining / detailing the product. But when you look at it and use it, if it doesn't feel like it is worth the money you've spent, it is not well designed / manufactured.
With the price they've put on it, i felt it is not worth that money. But compared my buds that came with Sony "WX1000-X4" , these are better.
Thank you for your feedback!
I bought a pair of Xelastec and then I tried these Crystal tips.
The change in comfort was evident immediately. Crystals are more comfortable and get more details to the ear drums.
Currently using them with Ze Tian Wu Heyday and I'm in love with AZLA Crystal tips. On my way to order more. 🙂
No more Spinfits for me. Crystals outshine Spinfits in every aspect from comfort to getting you the last bit of detail from your songs.
Thanks for the review! I completely agree that the Crystals are much more comfortable and provide better sound quality. I'm glad you're enjoying them!
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View allTRUSTED BY OVER 45K+ MUSIC ENTHUSIASTS
Let customers speak for us
from 6033 reviews
I would like to thank Purecast & Pritam ...I was not sure if this was required. I however noticed it's not a normal dac it's a DAC Amp so it also amplifies sound...it comes in a cool packaging with cover and I am thankful that Audiocular was thoughtful to add a typeC to Type A convertor as I am using this mainly in my Dell laptop. Thanks Audiocular.

Bought the Moondrop Dawn Pro Balanced DAC/AMP recently. Build feels premium with a sleek metal body, swappable 3.5 mm & 4.4 mm outputs, plus handy volume buttons. Noticed extra loudness and a subtle but clear improvement in my IEMs. For the price, totally worth it! 🎶

I used lots of earphones and earbuds, neckband but this IEMs sound is different unbelievable I loved it Thanks 👍🏻

Excellent product. Super premium and sounds balanced.

THE HEADPHONE IS ONE OF THE BEST WHICH DOESN'T NEED ANY TEST BECAUSE ITS THE BEST, THE BLUETOOTH RANGE IS SO LONG THAT ONCE I FORGOT MY MOBILE WHILE GOING TO MARS , NORMAL HEADPHONE WILL DISCONNECT IN THAT RANGE ABOUT 33.9 MILES BUT THEN ALSO THE HEADPHONE DOESN'T DISCONNECTED AND THE MUSIC WAS STILL PLAYING NOW I WAS COMING BACK FROM MARS AND TYPED THE REVEIW WITH MY BARE HANDS 😀

Although termed as Basshead, it's clean and crisp. Bass knows when to punch and when to calm. Upgrading from Juzear Defiant which is itself a great allrounder to its price. Thoroughly enjoying the Martilo. Finally great service by TAS. Looking forward for more.

good build qualityand High quality audio output

Absolutely a beast, had to wait since it was out of stock. This is the best under 3K and probably the best with Mic under 5k.

If you are a beginner audiophile and wanted to invest friendly budget IEM then EarAcoustic STA-Hi End Series IEM is a way to go. The sound is awesome and you can hear every node it contains.

It is the best and clean sounding IEM, perfect for the Beginner.
I love the fact that I can change the nozzle and its a little different sounding, so its two in one.
The cable quality is out of the world no external sound when I touch it.
I can hear so many details clearly. I say please go for this, it is perfect first IEM and the Perfect Upgrade if you had IEM under 2k before

It provides Awesome sound quality go and buy it m

🎧 KZ Castor Pro IEM – Review
🔊 Sound Quality
The KZ Castor Pro delivers clear and detailed sound with excellent separation across lows, mids, and highs. The decent thumping bass is tight and controlled, giving energy to tracks without overwhelming the vocals or instruments. Its super-balanced tuning ensures a natural, enjoyable listening experience suitable for all genres.
🎚 Unique DIP Switch Equalizer
What sets the Castor Pro apart is its DIP switch physical equalizer. With up to 16 different tuning options, it allows listeners to adjust the sound profile on the go—boosting bass, enhancing treble, or keeping it neutral. This feature gives it a level of flexibility rarely seen in IEMs at this price point.
🔇 Noise Isolation
Although it lacks active noise cancellation, the design offers an excellent passive seal. The snug fit ensures that outside noise is effectively blocked, making the listening experience immersive and ensuring ANC doesn’t feel like a missing feature.
🎼 Hi-Res & DAC Performance
For those using Hi-Res lossless audio, pairing the Castor Pro with a DAC is highly recommended. The extra power and clarity from a DAC enhance the already impressive soundstage, detail retrieval, and overall dynamics, making the listening experience truly premium.
💰 Value for Money
At its smart price, the KZ Castor Pro punches well above its weight. It combines detailed sound, punchy bass, balanced tuning, and innovative features—making it a strong choice for both audiophiles on a budget and everyday music lovers.

Have been using these buds for like an year now, they gave me a great time all that while, only recently the cable started getting green and there was an issue with audio drop on even a slight movement (like every earphone ever), but still a great investment for an year.

Got this as my first iem from audio store.. much much more worth than the price.. the bass!!.. my gawddd, it's something which is gonna surprise you.. I got it paired with the moondrop echo a dac.. and trust me, couldn't have asked for anything better.. and the delivery was done to me in kolkata, just within a day.. remarkable job audio store!♥️

Loved the new gear they sound absolutely phenomenal and mind if say the looks and aesthetic of the KZ Castor Pro is underrated for its price, as a newbie I was a little hesitant to jump in this rabbit hole, but it was worth it. Shoutout to The Audio Store to build up my courage, they were very helpful as I was placing my order I fumbled and they responded very positively and helped me correct my mistake. Thank You