Symphonium Crimson

The Next Standard.

  • Premium forged carbon faceplate
  • Refined shell design to fit smaller ears
  • Crimson boasts a fusion of both PHAT and FLAT advancements.
  • 4 Balanced Armatures with a true 4-Way Crossover.
  • Altalune Audio Novaron 26AWG Type 2 Litz OCC copper cable
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Symphonium Crimson


Symphonium Crimson



Symphonium Crimson

Style: Standard

Hot on the heels of the Meteor, the Crimson takes center stage as the newest IEM in the Symphonium Audio lineup. Featuring the culmination of two years of R&D and product improvements, the Crimson embodies the evolution of Symphonium Audio.

Crafted to rival the industry's leading offerings, the Crimson stands as a compelling product bearing the Symphonium label.

The Crimson has a bold and captivating sound profile with an incredibly dynamic bass presentation, reminiscent of high-end speaker configurations. The inclusion of our PHAT technology allows the Crimson to build on Symphonium's signature treble response.

Crimson's treble is not only smooth but also well extended, offering class-leading resolution with a layered and spacious stereo image. With organic vocals, impeccable control and authority on the low end, the Crimson mimics the experience of standing in front of a live stage.

The combination of these characteristics makes the Crimson dynamically engaging and uniquely captivating to listen to.

Rediscover your love for music again!

Refined Shell Design

The Crimson proudly presents a redesigned shell, refined through extensive community feedback. The shell is now thoughtfully shaped to comfortably fit smaller ears, featuring a shorter nozzle and a gently rounded form. The outcome is an IEM that rests snugly against the ears, ensuring a seamless fit.

Made from the same high-grade T6 heat-treated AL6061 Aluminium alloy, the Crimson is engineered for durability and long-lasting performance.


Featuring a combination of our finest technologies, the Crimson boasts a fusion of both PHAT and FLAT advancements.

With PHAT technology ensuring no unnecessary frequency inversions or phase cancellation and FLAT technology ensuring low impedance and immunity from impedance mismatch - the Crimson is ready to take on any challenge thrown it's way.

Say Forged Carbon?

The Crimson boasts a new color scheme and a premium forged carbon faceplate that pays homage to our brand's origins and resilience.

This material composite has graced the works of award-winning jewelry, watch, and luxury vehicles. Due to the material's inherent nature, each faceplate is a unique masterpiece, ensuring no two sets are the same.

Given the Crimson's status, it's only fitting that this distinctive and premium material finds its place within the design.

Exclusive Cable

The Crimson Earphone comes with an exclusive Altalune Audio Novaron 26AWG Type 2 Litz OCC copper cable.

This Symphonium Crimson exclusive variant of the Novaron features a unique construction to complement the Crimson. Choose between a 4-wire or 8-wire configuration to best fit your needs.

Ultimate Versatility

Each exclusive Altalune Novaron cable comes terminated with super low impedance OE interchangable plugs with both 3.5mm and 4.4mm version heads, allowing for compatibility with a myriad of source devices on top of offering futureproof flexibility.

technical specifications
Custom Tuned True 4-Way Crossover with FLAT Technology
Frequency Response
10Hz - 24kHz, ± 2 dB
106dB/Vrms @ 1 kHz
6.05 Ohms @ 1 kHz
Spring Loaded 0.78mm 2-Pin
26 AWG Pure OCC Copper Litz. [4-Wire or 8-Wire Option Available]
Cable Impedance
0.12 Ohms (3.5mm), 0.12 Ohms (4.4mm) @ 1kHz (8-Wire)

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