Astell and Kern Pathfinder In-Ear Monitors

The Astell and Kern Pathfinder In-Ear Monitors have been jointly developed with Campfire Audio, with a new driver design with dual balanced armature drivers. With a wider frequency range for impactful bass and smooth top end, the Pathfinder IEMs take your listening to the next level.

Astell & Kern has teamed up with Campfire Audio, a U.S. designer and manufacturer of premium hand-built earphones, to introduce the PATHFINDER in-ear monitor (IEM). The all-new, jointly developed, PATHFINDER takes hybrid IEM design to another level. These sophisticated earphones feature advanced Dual-Chamber Balanced Armature (BA) Driver technology to reach new heights in audio realism.

A radical new driver design was needed to achieve a wider frequency range, realistic reproduction, and a more balanced sound. At the heart of this innovative new driver assembly is the all-new Dual-Diaphragm Balance Armature Driver from Knowles. By employing a single-coil operating two individual diaphragms, the design is akin to the twin-cylinder engine – delivering more horsepower and smoother operation than one with a single, larger piston.

This all-new design incorporates two chambers, each housing its own diaphragm and drive rod actuated by a single coil. The result is a higher, more powerful output for its size than any other BA driver design while expressing a warmer and more natural mid-range in key areas of the music.

Further custom-dual BA drivers focus on delivering clearer and more precise high-frequency reproduction. Benefitting from Campfire Audio’s patented Tuned Acoustic Expansion Chamber technology (T.A.E.C.) technology, this design optimizes the performance by adjusting the volume of space available in front of the driver and provides a direct passage from the driver to your ear. This clever design extends high frequencies without sibilance or fatigue, delivering unsurpassed clarity and a smooth top end.

Delivery of the rich and visceral bass sounds, while bringing greater definition to the lower midrange, arrives courtesy of dual-custom dynamic 10mm drivers. Boasting hybrid diaphragms and housed in a Radial Venting Acoustic Chamber 3D printed acoustic chamber, this all-new design by Campfire Audio, creates a faster and more powerful low-frequency response without unnecessary pressure or bass bloat.

PATHFINDER comes with three different flavoured cables to cover all unbalanced and balanced headphones connections (2.5mm, 3.5mm and 4.4mm.) The all-new Silver-Plated Copper Litz Cable consists of four conductors arranged side by side, designed to provide the most transparent and extended sounds possible. The soft-touch moulded jacket ensures both flexibility and durability, while a flat cable design that prevents tangling can be wound for easy storage and offers minimal cable distortion.

Astell and Kern Pathfinder In-Ear Monitors features

  • Dual chamber Balanced Armature drivers
  • Jointly developed with Campfire Audio headphone manufacturer
  • Custom dynamic 10mm drivers deliver powerful, rich bass
  • Three cables provided – 2.5mm, 3.5mm and 4.4mm
  • Multiple eartips included for the best fit and maximum comfort
More Information
BrandsAstell and Kern
Product 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

Frequency response



94dB @ 1kHz 13.49mVrms


6.2 Ohm @ 1kHz

Your Delivery:

Orders received before 1:00 pm* will be despatched the same day and can be delivered for next working day, (except bank holidays).  For you convenience you can choose multiple shipping options on the checkout page. We will also email with your tracking and dispatch information.

30 Day Returns Policy

HiFix is committed to selling quality products which we hope you will love, we do understand, however, that there maybe a time when you need to exchange or return something you have bought. We really do hope you are pleased with your purchase but should you wish to return anything bought from us, we will be happy to refund or exchange a product within 30 days.

NameSKUQtyLead time
Astell and Kern Pathfinder In-Ear Monitors521060Warehouse stock usually available in 2 to 3 working days.

Warranty information for Astell and Kern:

Astell and Kern

Astell and Kern products are designed and manufactured to the highest quality standards. However, if something does go wrong with the product we are here to help. From your date of purchase your product is warranted against faulty materials or workmanship for a period of 12 months on all Astell and Kern products.

This guarantee applies to all Astell and Kern Products media players. Providing you with peace of mind and the assurance of premium Quality.