Axion and Iris are Campfire Audio's entry-level IEMs. Both are tuned to the same standard as every model in our range. Choosing between them comes down to how much driver complexity and energy you want in your first pair, and this guide breaks down that decision.

Campfire Audio turns ten this year, and Andromeda 10 is how we mark the moment. Ten years of hand-built production in Portland, Oregon. Ten balanced armatures per side. Andromeda 10 expands our most storied in-ear monitor into its largest configuration yet, carrying the signature that defined us into a new decade.

Audiophile IEMs deliver reference-grade sound from a hand-built, pocket-sized housing. We build every model in Portland, Oregon, using premium driver technology and genuine acoustic engineering. This guide ranks our best audiophile IEMs by use case, from a first serious upgrade to a full-spectrum flagship, so you can match the right pair to how you listen.

Campfire Audio builds four planar magnetic IEMs: Supermoon, Moon Rover, Grand Luna, and Astrolith. Supermoon delivers a V-shaped, energetic tuning from a single full-range driver. Moon Rover takes that same single-driver approach in a 12mm platform tuned for a neutral, reference-oriented sound. Grand Luna pairs planar and balanced armature drivers for a warm, lush sound. Astrolith runs dual planar drivers for our highest resolution. Each is hand-built in Portland, Oregon.

Most guides to pairing an IEM with a source start with a decision tree: what driver configuration, what output impedance, what balanced connector. Axion skips all of it. The DAC lives in the cable, so the only real question is whether your device has a USB-C port. This guide walks through what that means in practice, for mobile listening, for accessibility, and for anyone who wants premium sound without learning the rest of the signal chain first.

Studio monitoring demands accuracy, extended listening comfort, and enough resolution to catch the details that separate a good mix from a great one. Clara, Andromeda 10, and Fathom each bring a different driver approach to that job, giving engineers and producers a real choice depending on how they work and what they need to hear.

Stage performance puts different demands on an IEM than a listening room ever will. Isolation has to hold up under a loud mix, fit has to stay secure through movement, and the tonal balance has to translate a monitor feed clearly, not just sound pleasant. Andromeda Emerald Sea, Clara, and Fathom each answer that brief differently, giving performers a real choice depending on the stage they're walking into.

Choosing an IEM cable comes down to three questions: which connector your earphones use, which termination your source needs, and which wire material suits your ear. We offer cables across three families, Time Stream, Time Link, and Smoky Litz series, plus two flagship designs inherited from ALO Audio, so there is a match for every earphone we make and every listening setup.

The best IEMs balance driver technology, tuning, and price against how you actually listen. We hand-build eight models in Portland, Oregon, spanning Axion and Iris's everyday simplicity to Chimera's nine-driver flagship architecture. Each earns its place through distinct tuning and build quality.