Description
Craft Ears Aurum – Flagship Tribrid IEM
The Craft Ears Aurum is the crown jewel of the Genesis Series and the ultimate expression of our pursuit of perfect sound. Named after Aurum—Latin for “gold”—this flagship IEM embodies brilliance, refinement, and musical purity. Designed for audiophiles who demand nothing less than the best, Aurum delivers a breathtaking listening experience that blends cutting-edge technology with natural musicality.
Sound from the Soul
Aurum is our first tribrid IEM, integrating:
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A specially engineered 10 mm PEN dynamic driver for powerful, visceral sub-bass.
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Four balanced armature drivers for rich mids and articulate highs.
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Two Sonion electrostatic drivers for sparkling, ultra-refined treble extension.
The result is a sound signature that is immersive, balanced, and highly detailed. With expansive staging, holographic imaging, and jaw-dropping extension on both ends, Aurum sets a new benchmark for high-end IEMs.
Sonic Performance
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Bass: Deep, textured, and controlled. Sub-bass rumbles with authority, while mid-bass stays impactful yet never bloated.
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Mids: Natural, smooth, and emotionally engaging. Vocals shine with realism and depth.
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Highs: Airy, refined, and effortlessly extended. Cymbals and ultra-high frequencies are rendered with lifelike clarity and smoothness.
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Soundstage & Imaging: Wide, spacious, and precise with excellent separation, creating a true holographic presentation.
Exclusive Technologies
Craft Ears Aurum achieves its performance through innovations never seen before:
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SES™ 2.0 (Space Expanse System) – A patent-pending, 3D-printed horn-loaded tweeter for enhanced EST driver performance, delivering cleaner, more expansive treble.
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True Load™ Technology – Maintains extremely flat impedance and phase response, ensuring perfect driver coherence across the frequency spectrum.
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5-Way Crossover Design – Seamlessly integrates all seven drivers for an effortless, natural sound.
The Craft Ears Aurum is not just an IEM—it is a statement of craftsmanship, technology, and passion, designed for those who seek the very essence of sound.
Specifications – Craft Ears Aurum
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Frequency Response: 5Hz – 40kHz
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Impedance: 9.6Ω (±0.8Ω, 10Hz–20kHz)
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Driver Configuration: 1 DD (Low) + 2 BA (Low/Mid) + 2 BA (Mid/High) + 2 EST (Super High)
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Driver Count: 7 drivers per side (Tribrid: DD + BA + EST)
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Dynamic Driver: 10 mm PEN diaphragm with N35 magnet
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Crossover: 5-way electrical crossover
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Proprietary Technologies: True Load™ & SES™ 2.0
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Isolation: –26 dB
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Let customers speak for us
I loved it , surprised totally. What a sound separation.
I was a bit sceptical about ordering it from The Audio Store as I order from Headphone Zone.
But great shopping experience with The Audio Store.
This is first time experienced IEM in ever I love this❤
I’ve been spending some serious time with the Hisenior Mega5-EST paired with the FiiO KA17, and honestly, it’s a killer combo. These IEMs have that nice, punchy bass that makes movies feel immersive, but they quickly settle into a clean, neutral side that I really appreciate. The standout moment for me was listening to Tool’s 'Invincible'—the way this setup handles the complex layers and those dual EST drivers capture the 'air' in the track is just amazing. Everything stays perfectly separated, even when the song gets heavy. Huge thanks to Pritaam for the great interaction and for helping me with the selection ; it’s exactly the kind of balanced, high-performance sound I was looking for.
Good product and excellent packing, pouch was also good quality one
The vocals are excellent, it competes with any IEM priced between 1000-1700. I bought it for less than 1000, so definitely go for it for less than 1000. One more thing, if you're a bass lover, you might find it a bit balanced, meaning it's not as bassy, though vocals are more important to me, so that's why I bought it.
This is awesome. You can hear all frequencies individually with standard level. No comparison with earbuds or wireless headphone
Really liked the design and sound . Am new to IEM’s so really not sure what to expect but sound quality was really good and better then my oneplus buds 4. This review is for newbie like me
Clean sound, loud bass. Pretty balanced overall.It still is a bang for the buck.
👌✌️👍
Observed noticeable difference iin audio quality after using this dac, heard reviews complaining about static white noise but I haven't experienced any such issues yet
EarAudio Headphone Replacement Cable - Black /4.4mm is best in quality for my hifiman edition xs headphones with balanced output.
Earacoustic sta hi -end is premium feeling in this price, I bought this product no damage issue and rich into 4days. Sound quality is awesome 👌 ♥️. This is the newly launched iem.
The Castor Pro (Harman tuned with enhanced bass) is amazing if you love punchy sound. The bass has strong thump and depth, but it doesn’t overpower vocals. Music feels lively and fun, especially for Bollywood and EDM.
Vocals are clear, treble is smooth (no harshness), and overall tuning is well balanced. Very enjoyable for daily listening and workouts.
Verdict: Great earphones if you want powerful bass with good clarity.
The packaging was very good, properly sealed.
Sound quality: If you are balanced sound signature lover, you would love this earbuds, mids, highs, lows everything is very clear.
No sound distortion even in full volume.
Mic Quality is average and ANC is also average. My main priority was sound quality.
Built quality is also good.
If you are planning to buy your 1st IEM around 1k then you must go with this one no other options are valid against it. And Big thanks to Audio store for quick delivery.
