FiR Audio Project K IEM

FiR Audio Project K – Ultimate Innovation in IEM Technology

Discover FiR Audio Project K – a revolutionary in-ear monitor (IEM) that redefines high-end personal audio. Built with over a decade of acoustic innovation, Project K stands as FiR Audio’s flagship creation—merging sonic brilliance with elite craftsmanship.

The Project K features a 5-driver hybrid configuration, including a powerful 9mm Kinetic Bass dynamic driver and four OpenDriver balanced armature drivers tuned to deliver immersive, true-to-life sound across the full frequency spectrum. With a frequency response of 20Hz–20kHz and 15 ohms impedance, it delivers effortless clarity, deep lows, and lush mids—ideal for audiophiles, musicians, and critical listeners alike.

Crafted for Performance and Elegance

Project K is engineered with precision-machined titanium shells for durability and resonance control. Its stunning blue copper faceplates topped with sapphire glass exude luxury while providing enhanced structural integrity. Inside, premium silver internal wiring ensures ultra-clean signal transmission with zero compromise.

Advanced Acoustic Features

• ATOM Venting System with Gold + Xs modules (customization-ready)

• Sapphire glass top – combines beauty with durability

• Premium white leather case – designed for audiophiles on the go

Audiophile-Grade Cable Included

• 4-core coaxial cable (1.6mm OD)

• Silver-plated copper inner conductors (24 strands x 0.06)

• Shielding: 80 strands x 0.06 silver-plated copper

• Nickel-plated connectors for durability and signal integrity

With FiR Audio Project K, you're not just listening—you’re experiencing music at its most refined. Elevate your IEM collection with a flagship that delivers next-level sound, craftsmanship, and innovation.