Each pair is uniquely serialized.

ORDER CANCELLATIONS ARE NOT ALLOWED FOR THIS PRODUCT.

Please ensure that your order is accurate and valid before proceeding. Due to its limited-run nature, we are unable to reallocate cancelled inventory to other customers. As such, per our Cancellation Policy, we will not be processing any cancellations after you have placed your order.

Thank you for your kind understanding.

Measurements by Hangout.Audio

SINGLE-PIECE MONOLITHIC MARVEL

Project Monolith is CrinEar's limited-edition dual dynamic driver IEM built as a statement of engineering and design. Machined from a single block of brass and finished in 18K Champagne Gold, it introduces CrinEar's MDM (Multi-Dynamic Monolithic) system, where structure, drivers, and acoustics are designed as one unified whole. Limited to just 999 units worldwide, it represents a rare intersection of experimentation and craftsmanship.

At its core is a fully bespoke dual-driver system developed in direct collaboration with the world's leading IEM dynamic driver manufacturer. A 10mm driver anchors the midrange with natural tonality, while a custom 8mm woofer delivers deep, physical bass. Both drivers are engineered specifically for the Monolith's CNC-machined internal geometry, ensuring seamless integration and a cohesive, high-performance sound.

The tuning follows CrinEar's science-first philosophy, more expressive, bass-forward profile. Powerful low-end impact meets controlled, accurate mids, creating a sound that is both engaging and precise. Project Monolith is not just an earphone, it is a preview of the technology shaping the future of CrinEar.

What You Get

CrinEar Project Monolith IEM (2DD "MDM")
Detachable 2-pin silver-plated copper cable
Interchangeable 3.5mm single ended and 4.4 balanced connectors for universal compatibility
3 pairs of "standard bore" silicone tips, 3 pairs of "shorter bore" silicone tips, and 4 pairs of shortwide silicone tips in variety of sizes (XS/S/M/L) + 1 pair of M-sized foam tips
18K Gold-Plated Aluminium carrying case

Specs

Driver configuration: 10mm Full-range CrinEar™ DD + 8mm Subwoofer CrinEar™ DD
Multi-Dynamic Monolithic (MDM) Acoustic Structure
Impedance: 14Ω @1kHz
Sensitivity: 98dB/mW @1kHz
Frequency Response Range: 2Hz ~ 38,000Hz
Nozzle Width: 6.0mm (lip)
Cable Material: Silver-plated Copper