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Astell&Kern Pathfinder Hybrid IEM Earphones


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  • Aluminum Shell
  • Balanced Armature Drivers
  • MMCX Connections
  • Handcrafted
Astell&Kern Pathfinder Hybrid IEM Earphones Feast your eyes (and ears) on the Pathfinder... more
Product information "Astell&Kern Pathfinder Hybrid IEM Earphones"

Astell&Kern Pathfinder Hybrid IEM Earphones

Feast your eyes (and ears) on the Pathfinder Hybrid IEM; a legendary collaborative effort from Astell & Kern and Campfire Audio. The Pathfinder is a hybrid IEM like no other before it. Combining the technologies from both audio tech giants you'll experience crisp and refined sound with a wider frequency range that has been extensively tested. With an array of cables and tips, you'll find the perfect fit for your ears and audio source.

Precision-Milled Aluminum Shell

The precision-milled aluminium shells made with high-quality aluminium are anodized into a pitch-black “Night Sky” colour. The stainless steel parts and aluminium shells used in the body increase the product's durability and suppresses unnecessary vibrations for minimal noise and offer a secure fit so that users can enjoy a comfortable audio environment.

New Level of Performance, Custom Dual Balanced Armature Drivers + T.A.E.C.

The newly customized Dual Balanced Armature Drivers present clearer and more precise expressions with T.A.E.C. (Tuned Acoustic Expansion Chamber) that expresses high frequencies without fatigue or sibilance through a specially designed audio technology.

The World's First, All-New 'Dual Chamber' Balanced Armature Driver Technology:

To create a higher quality acoustic performance and listening experience, we needed a new technology that previous products did not have.
Knowles’ new ‘Dual Chamber’ Balanced Armature Driver, used for the first time ever in PATHFINDER, is an innovative driver in which a single coil operates two individual diaphragms. It’s like a twin cylinder engine – delivering more horsepower and smoother operation compared to one with a single, larger piston.
Compared to a traditional BA with a single, larger diaphragm, the all-new design incorporates two chambers, each housing its own diaphragm and drive rod actuated by a single coil, resulting in a higher, more powerful output for its size than any other BA and is excellent at expressing a warmer and more natural midrange. Find out more about the amazing performance of this brand-new Dual Chamber BA Driver unique to PATHFINDER.

Rich and Visceral Bass, All-New Dual Custom 10mm Dynamic Drivers

Dual Custom Dynamic Drivers with PU + LCP Hybrid Diaphragms present a clean and balanced low to midrange with quick response.
The Dual 10mm Dynamic Drivers contained in the innovative 3D-printed chamber design provide a rich and high-definition low to midrange. The acoustic chamber is an all-new design by Campfire Audio, creating a faster and more powerful low-frequency response without unnecessary pressure or exaggeration.
Each dynamic driver is vented through a specially designed opening located at the face of the driver. This new design dramatically improves the expression of the drivers. With this design, we are able to create a magnificent low-note frequency while preserving the unique sound of the dynamin driver.

Beryllium / Copper MMCX Connections

Custom Beryllium Copper MMCX connectors are more resilient against wear and tear than regular brass connectors, providing a robust mating mechanism; one that is typically made from soft brass. This selection of a harder material extends the life of the component and the earphone.

Silver-Plated Copper and Flat Cable Design

PATHFINDER comes with three silver-plated copper cables allowing the earphones to reach their full performance potential. The silver-plated OFC copper Litz cable is a newly produced flat cable, with enamelled silver-plated copper wire conductor to offer clearer, extended sounds.
The flat cable prevents tangling, can be wound for easy storage and has minimal cable distortion. It is over-moulded for increased durability and finished with metal housing.

Featured Technologies:

T.A.E.C. - Tuned Acoustic Expansion Chamber

Our tuned acoustic expansion chamber technology allows us to deliver extended high frequencies without sibilance or fatigue. We optimize our driver performance by adjusting the volume of space available in front of the driver. This is superior to the typical "Tube+Dampener" system because it provides a direct passage from the driver to your ear, which results in unsurpassed clarity and extension.

Radial Venting Technology - 3D Printed Acoustic Tuning for Dynamic Drivers

This allows our dynamic drivers to vent to the entire circumference of the driver. The practical impact is a larger soundstage and more presence without increasing pressure or bass bloat.

3D Printed Interior - Carefully Designed for Optimum Sonic Performance

Close attention to detail is critical to delivering you a superior musical experience from our earphones. Solaris features an acoustically optimized interior model that allows each driver to deliver the very best sound quality. When heard together, the drivers offer a seamless musical experience as a result of this process.

General Specifications:

Transducer Type:

  • [High] Custom Dual Balanced Armature Drivers + T.A.E.C.
  • [Mid] All-New 'Dual Chamber' Balanced Armature Driver Technology from Knowles
  • [Mid-Low to Sub-Bass] All-New Dual Custom 10mm Dynamic Drivers paired with Radial Venting Technology


  • 2.5mm Silver-Plated Copper Cable
  • 3.5mm Silver-Plated Copper Cable
  • 4.4mm Silver-Plated Copper Cable

Material / Design: Aluminium shell / Hand polished stainless steel threaded spout / Stainless steel Inlay and Parts

Frequency Response: 5Hz-20kHz

SPL: 94dB @ 1kHz 13.49mVrms

Impedance: 6.2 Ohm @ 1kHz

Total Harmonic Distortion: Less than 1%


  • 2.5mm Silver-Plated Copper Cable
  • 3.5mm Silver-Plated Copper Cable
  • 4.4mm Silver-Plated Copper Cable
  • 5 pairs of Final Audio E-Type Tips (XS/S/M/L/XL)
  • 3 pairs of Campfire Audio Marshmallow Earphone Tips (S/M/L)
  • 3 pairs of Silicon Earphone Tips (S/M/L)
  • Earphone Cleaning Tool
  • Leather Zipper Case
  • Earphone Protection Sleeve
  • Earphone Tips and Cable Storage Pouch 
Headphone Type: Wired
Product Type: Headphone
Headphone Design: Wired, In Ear Monitors
Connectivity: 2.5mm Plug/Wired, 3.5mm Plug/Wired, 4.4m Plug/Wired, Wired
Colour: Black, Silver
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