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Five drivers, hybrid construction, four-way crossover: 

  • One 7mm Titanium-Diaphragm Dynamic Driver for infra-sub frequencies 
  • Two BA for low frequencies 
  • One BA for midrange 
  • One BA for high frequencies


  • SubWITCH™ Switchable Subwoofer Technology 
  • BAM™ Energy Optimizer 
  • VariBore™ Acoustic Design 
  • HornCraft™ Stainless Steel Nozzle Design 

2023 Upgrades: 

  • 25% Smaller IEM shell than PNEUMA V1
  • New Shell Design - Scarlet Silverstream
  • Stock Cable Upgrade to Custom Pure Copper Cable

Scarlet Silverstream Shell 2023

Scarlet Silverstream - As with the concept of Pneuma, our new acrylic shell is aesthetically designed to capture the feeling of warm air currents. It features a flawless blend of fiery red and soothing silver tones, where the silver sparkles mirror the liveliness of moving air while the rich red hues express the comforting embrace of warmth. Scarlet Silverstream offers a harmonious fusion of visual and tactile sensations as if inviting you to embark on a journey through the tranquil currents of the element, air.


Pneuma, derived from the Greek word for “breath”, is often used to refer to a man’s soul. In Greek tragedies, “Pneuma” is often used in the phrase the “Pneuma of God” depicting a historically spiritual sense that we derive breath from God. Philosophers of the past such as the pre-Socratics and Aristotle also use Pneuma to denote the elemental air in motion or “warm air”; a fitting name for this pair of IEMs – highlighting its natural, elemental and fun sounds. 

Coming in with exquisite source separation, natural width and unparalleled depth, the Pneuma delivers a pronounced, vibrant and fun auditory experiencel. Flip the switch and experience 2 different sound signatures. One that is a musical powerhouse with a vibrant, breathtaking sound and the other, a tamed and more analytical beast that is natural and relaxed. Choose your side with Pneuma. 

SubWITCH™ Switchable subwoofer Technology

Sub-lows Witchery - Imagine wielding the power to shape sound frequencies with the finesse of a skilled witch conjuring spells. With a single flick of a finger, the level of the lowest frequencies can be altered by approximately 4dB below 500Hz. But it's not just about control – it's about tailoring your sound to various scenarios. Whether you're listening at different volume levels, leveraging the principles of the Fletcher-Munson Law to enhance bass audibility at lower levels, optimizing the richness of well-recorded bass in your audio source, or mitigating overwhelming and boomy lows caused by poorly mixed material, SubWITCH™ provides the solution. Moreover, in noisy environments such as airplanes or subways where low-end noise may obscure vital low-frequency elements, this switch lets you elevate the bass response. As you explore the realms of sound, let SubWITCH™ be your guide – an enigmatic companion that empowers you to orchestrate the perfect bass notes for every moment.

BAM™ Energy Optimizer

Backfiring Acoustically-damped Membrane - Through innovative thinking and extensive experimentation, we've uncovered a method to achieve superior bass control by harnessing the energy emanating from the rear of the transducer's membrane. Building on this, we've further refined our approach by incorporating open-cell memory foam. This unique addition acts as an effective damper for the driver, effectively reducing acoustic resonances within the enclosure. The result is a remarkable enhancement in stereo separation, pushing the boundaries of the soundstage to new depths and widths. 

Inspirational Origins: This time, we took inspiration from the bass reflex enclosures commonly found in studio monitors, to boost and enhance the bass quality by making use of energy reflection. Upon closer examination, we realized that such a mechanism was possible to be scaled down and be fitted inside our IEM, giving us greater control over the bass. After multiple iterations to mimic the speaker enclosure, we came up with a design that not only incorporated the essence of a bass reflex speaker, but also allows us to unlock and control the full potential of bass together with our SubWITCH™ technology. 

VariBore™ Acoustic Design

Variable Bores - Through our exploration, we've discovered a pivotal role played by the bore diameter in managing various frequencies. By meticulously shaping bores with varying diameters, we are able to optimize the transmission of different frequencies with increased precision. This effect is particularly pronounced in higher frequencies, where the expanded diameter significantly mitigates air friction and minimizes resonant influences. The outcome is a distinct enhancement in the upper-frequency range, resulting in improved high-end extension and a notably smoother, more authentic rendition of highs.

What others are saying about the PNEUMA V2

“After listening to hundreds of IEMs, you start to realize some IEMs have “it”. When you put them in your ears and push the play button, you immediately realize they’re special. I’ve had this experience before with special IEMs and Pneuma is one of them.”
Impressions from Berkhan, 


“The Pneuma manages to sound smooth and very enjoyable yet surprisingly detailed at the same time.”
Impressions from Marcus, 


“It not only has a very good fun bass character, punch and rumble, accurate midrange tonality, good clarity and details but is also a highly musical monitor that plays most genres of music with equal poise and finesse.”
Impressions from Animagus, 

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