Out of stock - Accepts Pre-Orders
Out of Stock - Allows Pre-Orders
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- FiR Audio Project K
FiR Audio Project K
1DD + 4BA Flagship In-Ear Monitors
- Machined Titanium Shells (UIEM)
- Sapphire Glass Faceplates (UIEM)
- ATOM XS Interchangeable Modules (UIEM)
- Premium White Leather Protective Case (Audiophiles)
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FiR Audio Project K
A Decade of Innovation
Relentless pursuit of excellence
Project K represents Fir Audio's pinnacle achievement in audio technology, combining cutting-edge audible and visual designs. It embodies our relentless pursuit of excellence, pushing the boundaries of what's possible in personal audio.
At the heart of Project K lies a selection of premium components, meticulously chosen to deliver unparalleled sound quality. The upgraded internal wiring ensures pristine signal transmission, while the titanium shell with graphite inlay not only provides durability but also adds a touch of elegance. Crowning this masterpiece is a sapphire glass top, a testament to our commitment to both form and function.


Drawing on over a decade of innovation, Project K showcases Fir Audio's mastery in creating extraordinary audio experiences. It symbolizes our continuous journey to bring unparalleled sound quality within reach, one breakthrough at a time. With Project K, we invite audiophiles to join us at the frontier of acoustic excellence, where each listen brings you closer to audio nirvana.

Driver Configuration
1x 9mm Kinetic Bass Dynamic Driver
2x OpenDriver Balanced Armature Driver for mids
1x OpenDriver Balanced Armature Driver for high-mids
1x OpenDriver Balanced Armature Driver for highs (with Sound Reflector)
Technical Details
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1 DD + 4BA
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20-20kHz
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15 ohms
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4core, Coaxial Structure, OD:1.6mm
Inner Conductor: 24x0.06 Silver Plated Copper
Shielding: 80x0.06 Silver Plated Copper
Nickel Plated Hardware