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Campfire Audio Launches $1,399 Grand Luna IEMs—Because the High-End Earphone Game Clearly Has No Finish Line

The Campfire Audio Grand Luna IEMs feature a hybrid design with both planar magnetic and balanced armature drivers and a built-in USB-C DAC for connecting to smartphones.

Campfire Audio Grand Luna IEMs

Campfire Audio is clearly not taking 2025 off. In just a few months, they’ve dropped the Axion, gone full sci-fi fever dream with the Alien Brain, and now they’re back with the Grand Luna—a $1,399 statement piece in the ongoing IEM arms race. And that’s without even factoring in the brand-new Relay Dongle DAC, which was stealing conversations (and pocket space) at CanJam London just weeks ago—and is currently under review.

True to form, Campfire isn’t playing it safe here: the Grand Luna pairs a 14mm planar magnetic driver with twin balanced armatures, all wrapped in a red transparent shell topped with a hand-finished stainless-steel lid. The result is an angular, distinctive design that practically dares you to look away. The question is—will the sound match the swagger?

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Campfire Audio Grand Luna IEMs

Campfire Audio Grand Luna: Planar Power, Premium Design, and a Built-In DAC Option

The Grand Luna ships with three interchangeable terminations right in the box: a 3.5mm single-ended plug, a 4.4mm balanced plug, and—most notably—a USB-C DAC module powered by Cirrus Logic’s Master HiFi CS43131 chip. That last inclusion means you can plug these IEMs directly into a phone, tablet, or laptop without needing a separate DAC, making the package far more versatile than most high-end competitors.

As Campfire Audio’s Lead Acoustic Designer, Ken Ball, puts it: “Grand Luna is the perfect balance of new and intriguing tuning, design, and materials, while having a performance that is incredibly accessible and versatile. It can be a one-size-fits-all solution for any level of listener or audiophile, while still providing something fresh and explorative.”

Campfire Audio’s Grand Luna is the company’s first IEM to combine a 14mm planar magnetic driver with two premium balanced armatures in a hybrid setup. The idea is simple—use the planar for low and mid frequencies, the armatures for the highs, and keep the whole thing smooth enough that your ears don’t file for a restraining order.

If you’ve followed Campfire’s recent lineup—Astrolith, Supermoon, Alien Brain—you’ll know they’ve been experimenting heavily with planar tech. Here, it’s tuned for texture, impact, and accuracy without the bite that can make planars sound like they’re auditioning for a Cylon voiceover gig.

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The two balanced armatures extend the highs to 30 kHz, adding air and detail without letting things get screechy. Imaging stays tight, separation remains clear, and you can actually listen for hours without feeling like you’re under interrogation by Number Six.

On the outside, the Grand Luna wears a hand-treated stainless-steel lid, flame-finished for a subtle gradient, then brushed clean with the CA logo. The transparent red shell houses Campfire’s Additive Acoustic Optical Inclusion (AAOI) internals—3D-printed with precise acoustic pathways that shape the sound.

Like all of Campfire’s IEMs, the Grand Luna is designed, tuned, assembled, and quality-checked in Portland, Oregon, by a small team that clearly isn’t afraid to mix elegance, experimentation, and a little bit of sci-fi villain energy.

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What’s in the Grand Luna Box (Besides Your Next Favorite IEMs)

Opening the Grand Luna box feels like unwrapping a love letter to audiophiles—minus the part where Tricia Helfer shows up to hand it to you (sadly, she said no). Inside, you’ll find Campfire’s new high-purity silver and copper interconnect cable with swappable terminations, giving you 3.5mm, 4.4mm balanced, and even a USB-C DAC module powered by the Cirrus Logic CS43131 Master HiFi chip.

The “Blood Moon” red leather carry case with magnetic closure keeps things stylish and secure, while three full sets of eartips—silicone, foam, and Campfire’s own ‘High & Clear’ tips (sizes S, M, L)—ensure a tailored fit. A microfiber cloth and IEM cleaning tool help keep your gear pristine, and the special ten-year-anniversary lapel pin is a nice nod to the brand’s milestone.

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It’s a complete, premium package—just without a Cylon Number Six in the box to tell you how good you look wearing them.

Grand Luna Specifications: Tech Details and Key Features

  • Impedance: 13Ω — Suitable for use with most portable devices and headphone amplifiers.
  • Frequency Response: 5 Hz to 30 kHz
  • SPL (Sound Pressure Level): 94 dB @ 1 kHz with 33 mVrms
  • THD (Total Harmonic Distortion): Less than 0.5%
  • USB-C DAC: Uses the Cirrus Logic Master HiFi CS43131 chip, supporting 32-bit/384kHz audio and DSD256 — allows direct digital connection to compatible devices with high-resolution audio processing built-in.
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The Bottom Line

The Campfire Audio Grand Luna offers a sophisticated hybrid driver setup that balances planar magnetic depth with balanced armature detail, backed by a built-in USB-C DAC option for versatile use. At $1,399, they sit firmly in the high-end IEM market, competing with strong contenders like the Astell&Kern Luna, the Astell&Kern + 64 Audio XIO collaboration, Noble’s Van Gogh, and Campfire’s own Alien Brain.

With so many premium choices available, the Grand Luna needs to deliver consistent performance and value to stand out. Given their price point, we’d recommend pairing them with a quality high-end dongle DAC from Questyle or FiiO, or a dedicated digital audio player (DAP), to fully unlock their potential.

Where to buy: $1,399 at Campfire Audio (available from August 8, 2025)

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