The Astrolith IEMs aim to blow your mind sonically and your savings account literally.
Campfire Audio’s Astrolith IEMs have arrived, bringing with them a sophisticated dual planar magnetic driver setup. These premium IEMs represent the brand’s latest technological achievements, promising great sound quality in a portable package.
Campfire Audio Astrolith Features
One of the biggest selling points of the Astrolith IEMs is their unique dual-planar driver setup.
Building on their well-known Supermoon IEM, Campfire has improved their 14mm planar magnetic driver and added a new 6mm planar tweeter for the Astrolith.
According to Campfire, this setup gives the Astrolith the ability to deliver fast, accurate, and detailed sound across all frequencies.
But, of course, Campfire’s innovation doesn’t stop there.
They’ve also created the Particle Phase Resonator (PPR), which is a carefully designed tuning chamber that works with the 6mm planar driver. This tech improves the driver’s performance while keeping its quick response and detailed high-end sound.
Plus, the Astrolith IEMs also maximize a lot of benefits that planar magnetic drivers offer.
Planar drivers are made in a way that the voice coil is spread evenly over the whole diaphragm. Because of this, the Astrolith can achieve very low total harmonic distortion—less than 0.3%.
Another benefit of the planar magnetic technology in the Astrolith is its quick response.
Their light, evenly-driven diaphragm starts and stops quickly, which is key for keeping clarity in complex music. It’s like having a Formula 1 car for your ears—responsive, precise, and exhilarating.
As a result, users can expect more controlled and accurate driver movement that maintains clarity even at high volumes.
There’s also the planar wavefront propagation.
Unlike regular dynamic drivers that make a round sound wave, planar drivers move air in a flat plane, creating a more uniform wavefront. Thanks to this, the Astrolith can give a more accurate version of the original sound, especially in terms of imaging and soundstage.
It’s a difference you can hear—and one that many listeners find particularly pleasing.
But the innovation doesn’t stop at the drivers.
The Astrolith’s shell is a work of art in itself, featuring Campfire Audio’s Additive Acoustic Optical Inclusion (AAOI) technology.
It’s not just about looks. The shell has built-in shapes that further refine and improve the sound from the dual planar magnetic drivers.
Complementing this is the crossoverless design and carefully engineered acoustic spaces.
Instead of using regular electronic crossovers, which can add their own distortions, Campfire Audio has tuned the acoustic chambers to naturally send different frequency ranges to the right drivers.
The result? Music that sounds lifelike, with a vast soundstage where every nuance and detail is clearly discernible.
Technical specifications
- Form Factor: In-ear monitors (IEMs)
- Driver configuration:
- 1 x 14mm planar magnetic driver (for sub-bass to mid frequencies)
- 1 x 6mm planar magnetic driver (for high frequencies)
- Frequency response: 5Hz – 25kHz
- Impedance: 8.2Ω at 1kHz
- Sensitivity: 94dB at 1kHz (44.90mVrms)
- Total Harmonic Distortion: < 0.3%
- Housing: Semi-transparent 3D-printed acrylic body with AAOI technology
- Faceplate: Mirror-finished stainless steel
- Cable: Detachable TimeStream cable with 3.5mm and 4.4mm terminations
Where to Buy
The Campfire Audio Astrolith IEMs are available for purchase on the Campfire Audio website, at $2,199.