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:

• A specially engineered 10 mm PEN dynamic driver for powerful, visceral sub-bass.

• Four balanced armature drivers for rich mids and articulate highs.

• 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

• Bass: Deep, textured, and controlled. Sub-bass rumbles with authority, while mid-bass stays impactful yet never bloated.

• Mids: Natural, smooth, and emotionally engaging. Vocals shine with realism and depth.

• Highs: Airy, refined, and effortlessly extended. Cymbals and ultra-high frequencies are rendered with lifelike clarity and smoothness.

• 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:

• SES™ 2.0 (Space Expanse System) – A patent-pending, 3D-printed horn-loaded tweeter for enhanced EST driver performance, delivering cleaner, more expansive treble.

• True Load™ Technology – Maintains extremely flat impedance and phase response, ensuring perfect driver coherence across the frequency spectrum.

• 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.

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Specifications – Craft Ears Aurum

• Frequency Response: 5Hz – 40kHz

• Impedance: 9.6Ω (±0.8Ω, 10Hz–20kHz)

• Driver Configuration: 1 DD (Low) + 2 BA (Low/Mid) + 2 BA (Mid/High) + 2 EST (Super High)

• Driver Count: 7 drivers per side (Tribrid: DD + BA + EST)

• Dynamic Driver: 10 mm PEN diaphragm with N35 magnet

• Crossover: 5-way electrical crossover

• Proprietary Technologies: True Load™ & SES™ 2.0

• Isolation: –26 dB