

Campfire Audio
Alien Brain
Out of this world five-driver hybrid in-ear-monitor
Close-Encounters of the HiFi Kind.
Drawing from over a decade of engineering, experimentation, and innovation, Alien Brain is Campfire's latest in a long legacy of premium hybrid-design IEMs.
Featuring a five driver configuration — including a fresh iteration of our acclaimed dual-magnet dynamic driver, this time with a Glass-Pu diaphragm — Alien Brain is an out of this world sonic experience blending the best of classic and new Campfire.
Designed and hand-assembled in Portland, Oregon.
New Hybrid Internal Architecture
Alien Brain's new, five-driver, internal architecture is built on the long legacy of Campfire's world-class hybrid IEMs.
A new iteration of our renowned Dual Magnet Dynamic Driver forms the bedrock of Alien Brain's powerful sonic performance. Alongside this incredible new bass driver are four high-performance balanced armatures: two dedicated to mid frequencies, and two for highs.
These drivers coalesce to form a smooth, musical, and engaging listen through Campfire's careful treatment and tuning.
New Dual-Magnet DD Iteration
First introduced in Bonneville and Cascara, our Dual Magnet DD quickly became a fan-favorite. This latest iteration features an exciting new glass-pu diaphragm; with a glass speaker dome and polyurethane coating.
Experience incredible bass texture and impact, without being over-bearing or too forward. Giving you just the right amount of low-end power to infuse energy into your tracks without crowding out the rest of the frequency spectrum.
Phase Harmony Engineering
At Campfire Audio, our 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.
All-New Portable DAC
Alien Brain comes equipped with Campfire's all-new, high-performance, portable USB-C DAC dongle. Enjoy streamlined, lightweight, high-res audio on the go, right out of the box. With 32 bit / 384 kHz resolution, plug and play your Alien Brain and ascend to new musical heights on your commute, in your workday, or anywhere you may be listening.
Premium Build
Alien Brain's precious cerebrum is firmly protected in a black PVD stainless steel shell made from full billet CNC capped off by our new, transparent, iridescent, lightweight dome lid, revealing the inner-workings of each neuron.
Crafted with Care
Each unit of Alien Brain was fully designed, engineered, assembled, tested, QC'd, packed, and shipped by Campfire's small team of professionals from our singular location in the heart of Southeast Portland, Oregon, USA.
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