Campfire Audio Fathom


Campfire Audio Fathom is the new six-balanced armature in-ear monitor from Campfire: Experience a world of precision, detail, and resolution. Fathom delivers a detailed presentation with just the right touch of mid-band warmth that elevates vocal performance and offers a glowing musical experience.

This item is currently not in stock, but on demo in our store and available on backorder. Please contact us for up-to-date delivery time!

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Fathom 6-Driver Configuration

Fathom is the first in Campfire Audio‘s long line of IEMs to utilize our new six-balanced-armature internal architecture. These six drivers are divided evenly among the frequency bands, with two low, two mid, and two high drivers. This configuration is the synthesis of nearly a decade of experience and refinement of our balanced armature applications, taking this technology to its ultimate capabilities and maximizing technical performance.

Fathom’s sonic signature is carefully shaped to deliver a detailed presentation with just the right touch of mid-band warmth that elevates vocal performance and offers a glowing musical experience.

Premium Housing, Subtle Style

Fathom is encased in a machined aluminum body anodized in a sleek, black, bright-dip. The Rainbow PVD fasteners cast a vibrant spectrum of light against the deep black of the anodized shell, creating a striking contrast that is both visually captivating and elegantly understated.

Phase Harmony Engineering

At Campfire Audio, their philosophy regarding driver treatment informs a considered approach that emphasizes quality over quantity. In the arms-race to fit a higher and higher number of drivers into an earphone, we find that a results-driven technique to driver treatment produces superior results with less room for pitfalls and ever-expanding variables that can undermine product consistency.

One of the products of this approach is our Phase Harmony Engineering, that allows us to segment the frequency spectrum and assign these segments to specific drivers, and allows those drivers to apply their strengths to that area. Using a combination of precision engineered driver housings and shell geometry, coupled with custom damping values we are able to physically shape the tuning and response of the drivers, and further, their interaction with one another. This driver-to-driver interaction is crucial to eliminating points of potential phase cancellation and creating the intangibles that don’t show on a frequency response curve; imaging, separation, resolution, and soundstage.

What’s in the Box?

Fathom is complimented by two included Time Stream Cables, both a 3.5mm Stereo termination and a balanced 4.4mm terminated cable. Time Stream Cables feature eight silver-plated copper conductors in a ribbon configuration that offers superb ergonomics and low microphonics.  A Dimensional Folding leather carrying case, hand-made by our good friends in Portugal, provides convenient and easy-to-use storage for your earphones and cables while on the go. A rainbow PVD carabiner offers additional functionality while referencing the understated details of the Fathoms fasteners.


Frequency Response: 5Hz–20 kHz

SPL: 94 dB @ 1 kHz: 6.75 mVrms

Impedance: 11.7 Ohms @ 1 kHz

Less than 1% Total Harmonic Distortion


Ear Fidility: Campfire Audio Fathom

“Considering its beautiful design and build quality, married with a sound that is engaging yet polished and easy to listen to, the Fathom has everything it takes to become the new bestseller from CFA” –  Paweł Szachno, Ear Fidelity