Purpose-Driven Design for Absolute Neutrality

The CrinEar Reference is engineered with a singular goal: achieving true reference-grade neutrality. Designed around a population-averaged diffuse field response tilted at -1dB per octave, it incorporates a subtle bass lift to maintain perceptual balance—compensating for real-world listening conditions and the physicality of low frequencies. Fully verified under ITU-T Type 4.3 conditions, the Reference represents a milestone in acoustic accuracy—delivering what can be considered one of the flattest in-ear monitor tunings ever achieved.

World’s Flattest In-Ear Monitor Tuning

Through precise acoustic modeling and measurement validation, the CrinEar Reference achieves an exceptionally flat frequency response. This ensures that music is reproduced exactly as intended—without coloration, exaggeration, or masking of details. Whether for critical listening, mixing, or mastering, the Reference offers a transparent window into your audio.

Hybrid Driver System for Precision Performance

The CrinEar Reference features a sophisticated hybrid driver configuration combining dual dynamic drivers and balanced armatures. Two 10mm dynamic drivers handle sub-bass with authority and realism, while Sonion balanced armatures reproduce accurate mids, and a Knowles super tweeter delivers extended, detailed highs. This multi-driver system ensures full-range performance with excellent separation, resolution, and coherence.

Precision-Machined Full Aluminum Housing

Crafted using 5-axis CNC machining, the full aluminum shell offers exceptional structural rigidity and durability. This minimizes unwanted resonance and enhances acoustic stability, ensuring consistent and accurate sound reproduction.

Engineered for Audiophiles and Professionals

Designed in Singapore, the CrinEar Reference is built for audiophiles, engineers, and professionals who demand uncompromised accuracy. Its tuning philosophy prioritizes truth over coloration, making it an ideal tool for studio monitoring and high-fidelity listening.

Comprehensive Accessories for Optimal Fit

The Reference includes a wide range of eartips and a high-quality silver-plated copper cable with interchangeable connectors, ensuring optimal comfort, fit, and compatibility across various listening setups.

Technical Details

Product Name
CrinEar Reference
Driver Configuration
2 × 10mm Dynamic Drivers + 3 Balanced Armatures
Driver Details
Dual DD Subwoofers + 2 Sonion BAs + 1 Knowles Super Tweeter
Housing
5-Axis CNC Machined Full Aluminum Shell
Nozzle Width
6.0 mm
Cable Material
Silver-Plated Copper
Cable Termination
3.5 mm Single-Ended + 4.4 mm Balanced Interchangeable Plugs
Inside the Box
  • 1x CrinEar Reference IEM
  • 3x Pairs of Standard Bore Silicone Eartips (S/M/L)
  • 3x Pairs of Short Bore Silicone Eartips (S/M/L)
  • 4x Pairs of Wide Bore Silicone Eartips (XS/S/M/L)
  • 1x Pair of Foam Eartips (M)
  • 1x Leatherette Zip Case
  • 1x Silver-Plated Copper Cable

30-Day Return Policy

You may return any non-customized product that is still factory sealed, within 30 days upon receiving it. For items that are damaged, incorrect, or faulty upon delivery, Linsoul will assess the issue and provide a solution accordingly.

1 Year Warranty

The CrinEar Reference Comes with a 1 year warranty on In-Ear Monitors and 3 month warranty on the cable.

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