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Product Description

Line Circle
Fathom by Campfire Audio is a premium, six-driver all-balanced-armature IEM crafted for high-fidelity enthusiasts seeking refinement and resolution. With custom Phase Harmony Engineering and a 2+2+2 driver layout, it achieves exceptional tonal balance and immersive soundstage. Its anodized aluminum shell with rainbow PVD accents offers durability and luxury, while the included dual-cable set provides versatility. Built in the USA, Fathom redefines the technical limits of all-BA earphones with style and substance.
Get the Details

Features & Specs Line Circle

6 Balanced Armature Drivers
Delivers detail-rich, full-spectrum audio.
Phase Harmony Engineering
Optimizes frequency and phase response for clarity and cohesion.
Machined Aluminum Shell
Offers durability, lightweight comfort, and a sleek black finish.
Rainbow PVD Accents
Adds a touch of understated luxury to the design.
Two Premium Cables Included
Includes 3.5mm and 4.4mm for ultimate flexibility.
Complete Accessory Kit
Comes with leather case, eartips, cleaning tools, and more.
6 Balanced Armature Drivers
Delivers detail-rich, full-spectrum audio.
Phase Harmony Engineering
Optimizes frequency and phase response for clarity and cohesion.
Machined Aluminum Shell
Offers durability, lightweight comfort, and a sleek black finish.
Rainbow PVD Accents
Adds a touch of understated luxury to the design.
Two Premium Cables Included
Includes 3.5mm and 4.4mm for ultimate flexibility.
Complete Accessory Kit
Comes with leather case, eartips, cleaning tools, and more.

Expert Insight

Line Circle

The Fathom is a masterclass in balanced armature design—its sound is clean, expressive, and incredibly immersive. The attention to tuning delivers excellent vocal warmth without sacrificing clarity or technical detail. With premium build quality and thoughtful accessories, this IEM is a true flagship experience from Campfire Audio.

Expert Img
Dylan Crane
Brand Manager

Details

Line Circle

Campfire Audio Fathom – Flagship Six-Driver All-BA IEM

The Campfire Audio Fathom represents the pinnacle of balanced armature evolution, featuring an all-new six-driver configuration designed for unmatched technical precision and musicality. With two low, two mid, and two high-frequency drivers working in harmony, Fathom delivers a balanced, emotionally engaging sound signature with just the right touch of warmth to highlight vocals and elevate every listening session. Its sleek, black anodized aluminum housing is accented with vibrant rainbow PVD fasteners, combining understated elegance with Campfire’s unmistakable attention to detail. Backed by proprietary Phase Harmony Engineering and built by hand in the USA, Fathom is engineered to redefine the all-BA IEM experience.

Specifications

  • Driver Configuration: 6 balanced armature drivers (2 low, 2 mid, 2 high)
  • Acoustic Design: Phase Harmony Engineering for frequency segmentation and phase coherence
  • Shell Material: Machined aluminum body with black bright-dip anodizing
  • Fasteners: Rainbow PVD-coated for subtle iridescent detailing
  • Cables Included: Two TimeStream cables (3.5mm and 4.4mm balanced)
  • Accessories: Premium Portuguese leather case, Breezy Bag Micro (2-pocket), full eartip set, IEM cleaning tool, microfiber cloth, CA Lapel Pin
  • Assembly: Hand-built in Portland, Oregon, USA

Expanded Key Features List

  • Six-Driver Balanced Armature System: Two low, two mid, and two high-frequency drivers offer a precise, balanced sound signature.
  • Phase Harmony Engineering: Proprietary system ensures phase-aligned driver interaction for superior clarity, imaging, and soundstage.
  • Black Anodized Aluminum Housing: Lightweight and rugged with a smooth, matte finish and elegant form factor.
  • Rainbow PVD Fasteners: Provide a vibrant visual accent against the black housing for a sleek yet eye-catching aesthetic.
  • Dual TimeStream Cables: Includes both 3.5mm and 4.4mm balanced options to suit any listening setup or preference.
  • Handcrafted in the USA: Every unit is hand-assembled in Portland, Oregon, and signed by the technician who built it.

Portable DACS/Amps To Pair With

Q&A Section

Q: What makes the Fathom different from previous Campfire IEMs?
A: Fathom is the first Campfire IEM to feature a new six-balanced-armature layout (2 low, 2 mid, 2 high), optimized through Phase Harmony Engineering for superior coherence and clarity.

Q: What is Phase Harmony Engineering?
A: It’s Campfire's proprietary system for tuning driver interaction, reducing phase cancellation, and enhancing imaging, soundstage, and tonal accuracy.

Q: What materials are used for the Fathom’s shell?
A: The shell is crafted from machined aluminum, anodized in a deep black finish for a premium and durable feel.

Q: Are the fasteners functional or aesthetic?
A: The rainbow PVD fasteners are both functional and aesthetic, adding striking color contrast and structural integrity.

Q: Does Fathom include balanced and unbalanced cables?
A: Yes, it comes with two TimeStream cables—one with a 3.5mm plug and one with a 4.4mm balanced plug.

Q: What accessories come with the Fathom?
A: Fathom includes a premium leather case, Breezy Bag Micro, full eartip selection, IEM cleaning tool, microfiber cloth, and Campfire lapel pin.

Q: Where is the Fathom manufactured?
A: Each unit is hand-built by a small team in Portland, Oregon, USA, and individually signed by the technician who assembled it.

Q: What kind of sound signature does Fathom have?
A: Fathom offers a balanced, detailed sound with smooth highs, articulate mids, and tight, controlled bass—ideal for both critical listening and everyday enjoyment.

Reviews

Line Circle
Product Descriptiondown arrow

Product Description

Line Circle
Fathom by Campfire Audio is a premium, six-driver all-balanced-armature IEM crafted for high-fidelity enthusiasts seeking refinement and resolution. With custom Phase Harmony Engineering and a 2+2+2 driver layout, it achieves exceptional tonal balance and immersive soundstage. Its anodized aluminum shell with rainbow PVD accents offers durability and luxury, while the included dual-cable set provides versatility. Built in the USA, Fathom redefines the technical limits of all-BA earphones with style and substance.
Get the Details
Features & Specsdown arrow

Features & Specs Line Circle

6 Balanced Armature Drivers
Delivers detail-rich, full-spectrum audio.
Phase Harmony Engineering
Optimizes frequency and phase response for clarity and cohesion.
Machined Aluminum Shell
Offers durability, lightweight comfort, and a sleek black finish.
Rainbow PVD Accents
Adds a touch of understated luxury to the design.
Two Premium Cables Included
Includes 3.5mm and 4.4mm for ultimate flexibility.
Complete Accessory Kit
Comes with leather case, eartips, cleaning tools, and more.
6 Balanced Armature Drivers
Delivers detail-rich, full-spectrum audio.
Phase Harmony Engineering
Optimizes frequency and phase response for clarity and cohesion.
Machined Aluminum Shell
Offers durability, lightweight comfort, and a sleek black finish.
Rainbow PVD Accents
Adds a touch of understated luxury to the design.
Two Premium Cables Included
Includes 3.5mm and 4.4mm for ultimate flexibility.
Complete Accessory Kit
Comes with leather case, eartips, cleaning tools, and more.
Expert Insightdown arrow

Expert Insight

Line Circle

The Fathom is a masterclass in balanced armature design—its sound is clean, expressive, and incredibly immersive. The attention to tuning delivers excellent vocal warmth without sacrificing clarity or technical detail. With premium build quality and thoughtful accessories, this IEM is a true flagship experience from Campfire Audio.

Expert Img
Dylan Crane
Brand Manager
Detailsdown arrow

Details

Line Circle

Campfire Audio Fathom – Flagship Six-Driver All-BA IEM

The Campfire Audio Fathom represents the pinnacle of balanced armature evolution, featuring an all-new six-driver configuration designed for unmatched technical precision and musicality. With two low, two mid, and two high-frequency drivers working in harmony, Fathom delivers a balanced, emotionally engaging sound signature with just the right touch of warmth to highlight vocals and elevate every listening session. Its sleek, black anodized aluminum housing is accented with vibrant rainbow PVD fasteners, combining understated elegance with Campfire’s unmistakable attention to detail. Backed by proprietary Phase Harmony Engineering and built by hand in the USA, Fathom is engineered to redefine the all-BA IEM experience.

Specifications

  • Driver Configuration: 6 balanced armature drivers (2 low, 2 mid, 2 high)
  • Acoustic Design: Phase Harmony Engineering for frequency segmentation and phase coherence
  • Shell Material: Machined aluminum body with black bright-dip anodizing
  • Fasteners: Rainbow PVD-coated for subtle iridescent detailing
  • Cables Included: Two TimeStream cables (3.5mm and 4.4mm balanced)
  • Accessories: Premium Portuguese leather case, Breezy Bag Micro (2-pocket), full eartip set, IEM cleaning tool, microfiber cloth, CA Lapel Pin
  • Assembly: Hand-built in Portland, Oregon, USA

Expanded Key Features List

  • Six-Driver Balanced Armature System: Two low, two mid, and two high-frequency drivers offer a precise, balanced sound signature.
  • Phase Harmony Engineering: Proprietary system ensures phase-aligned driver interaction for superior clarity, imaging, and soundstage.
  • Black Anodized Aluminum Housing: Lightweight and rugged with a smooth, matte finish and elegant form factor.
  • Rainbow PVD Fasteners: Provide a vibrant visual accent against the black housing for a sleek yet eye-catching aesthetic.
  • Dual TimeStream Cables: Includes both 3.5mm and 4.4mm balanced options to suit any listening setup or preference.
  • Handcrafted in the USA: Every unit is hand-assembled in Portland, Oregon, and signed by the technician who built it.

Portable DACS/Amps To Pair With

Q&A Section

Q: What makes the Fathom different from previous Campfire IEMs?
A: Fathom is the first Campfire IEM to feature a new six-balanced-armature layout (2 low, 2 mid, 2 high), optimized through Phase Harmony Engineering for superior coherence and clarity.

Q: What is Phase Harmony Engineering?
A: It’s Campfire's proprietary system for tuning driver interaction, reducing phase cancellation, and enhancing imaging, soundstage, and tonal accuracy.

Q: What materials are used for the Fathom’s shell?
A: The shell is crafted from machined aluminum, anodized in a deep black finish for a premium and durable feel.

Q: Are the fasteners functional or aesthetic?
A: The rainbow PVD fasteners are both functional and aesthetic, adding striking color contrast and structural integrity.

Q: Does Fathom include balanced and unbalanced cables?
A: Yes, it comes with two TimeStream cables—one with a 3.5mm plug and one with a 4.4mm balanced plug.

Q: What accessories come with the Fathom?
A: Fathom includes a premium leather case, Breezy Bag Micro, full eartip selection, IEM cleaning tool, microfiber cloth, and Campfire lapel pin.

Q: Where is the Fathom manufactured?
A: Each unit is hand-built by a small team in Portland, Oregon, USA, and individually signed by the technician who assembled it.

Q: What kind of sound signature does Fathom have?
A: Fathom offers a balanced, detailed sound with smooth highs, articulate mids, and tight, controlled bass—ideal for both critical listening and everyday enjoyment.

Reviewsdown arrow

Reviews

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