Unique Melody Mason Asahi – In Ear Monitors IEM

Unique Melody Mason Asahi – In Ear Monitors IEM

Product code:
Mason Asahi
Available on demonstration in store
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Free delivery 1 - 3 days
1-year-warranty
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£6,499

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Unique Melody Mason Asahi - In Ear Monitors IEM

Features

  • Next-generation 3D Bone Conduction System with three-axis design for realistic spatial depth and imaging.
  • Twelve balanced armature drivers with a six-way crossover for precise, full-range sound.
  • Dual conduction architecture combining bone conduction and BA drivers for immersive realism.
  • Premium shell crafted from rare hardwoods and carbon fibre composite with a dawn-inspired finish.
  • Includes the UM Fantasy custom cable and a luxury Italian leather case with suede lining.

Specifications

Driver Configuration 12 Balanced Armatures + 3 Bone Conduction Drivers
Bone Conduction Layout X-, Y-, Z-triaxial array
Crossover 6-way crossover
Impedance 21 Ω
Sensitivity 108 dB @ 1 kHz
Frequency Range 20 Hz – 35 kHz
Connection 0.78 mm, 2-pin
Cable UM Fantasy, 26 AWG, 4-wire, multi-shielded

Description

Materials suitable for crafts

The Mason Asahi shell is crafted from rare hardwoods and high-strength carbon fiber composite. These materials are pressed into shape using precision molds, resulting in a design that is both functional and artistic. The optical surface evokes the first light of dawn. Warm golden wood grain blends into woven carbon structures, blending organic and modern elements in a way that feels timeless and balanced.

It looks like sound. It feels like presence.



Next-generation 3D Bone Conduction System

Mason Asahi continues the legacy of the Mason series, offering a bold reinterpretation of space, texture, and sound. At its heart is a next-generation 3D Bone Conduction System , engineered to enhance spatial perception without physical vibration. Combined with twelve precisely tuned balanced armature drivers, Mason Asahi creates a listening environment that feels open, dimensional, and emotionally authentic.



UM 3D Bone Conduction System 

Our UM 3D bone conduction array positions a three-axis bone conduction system along the X, Y, and Z planes, reconstructing sound like never before. The result is:

  •  Realistic spatial depth
  •  improved imaging and positioning
  • Vibrations that you can feel throughout your entire skull – not just in your ears

With this three-axis layout, Mason Asahi simulates how sound spreads through a room, conveying a sense of presence that simply cannot be achieved with conventional bone conduction.



Full frequency range, full-bodied sound

Mason Asahi uses three bone conduction drivers, each tuned to a specific part of the frequency range. Together, they deliver power in the low end, presence in the midrange, and enhanced detail in the high end.

  • The bass is deeper and more structured.
  • The mids are clearer and more expressive.
  • The highs extend smoothly up to 35 kHz.

This multi-axis configuration allows bone conduction to contribute across the entire bandwidth, providing a more immersive and natural sound without altering the sound balance or causing fatigue.

Twelve balanced armature drivers. Six ways. Consistent tuning.

A total of twelve balanced armature drivers are distributed across three frequency bands for optimal performance:

  • 4 woofers for a clear, rich bass
  • 4 midrange drivers for presence and smooth articulation
  • 4 tweeters for detailed yet controlled highs

The six-way crossover ensures that each driver operates in its ideal range, delivering speed, resolution, and sonic accuracy that remain balanced at all volume levels.



Leather case, carefully crafted

The case is covered with Italian cowhide and lined with Indian goat suede.

  • Outer shell in UM-typical blue
  • Inner lining made of warm, tea-brown suede, soft as morning mist
  • Structured, protective and haptically refined

The case reflects the same values ​​as the headphones it protects – durability, sophistication, and understated luxury.




Two systems. One seamless experience.

Mason Asahi combines air and bone conduction into a single, seamless 
architecture. This dual-pronged approach combines the soundstage and spatiality of natural bone conduction with the precision and detail of balanced armature drivers for a comprehensive, realistic soundstage.

The result is a more natural listening experience. Immersive, precise, and deeply captivating:

  • The spatial projection is expanded, offering an enveloping width and layering from front to back.
  • Multiple conduction paths provide a subtle dynamic texture.
  • The improved coupling design increases efficiency by more than 2.3 times compared to our previous bone conduction systems.

 



UM Fantasy Custom Cable

Every Mason Asahi comes with the UM Fantasy custom cable. Designed to preserve the finest details and eliminate unwanted noise, the UM Fantasy is a good match for neutral and high-resolution sources.

  • PVC, nylon and FEP insulation for flexibility and durability 
  • 26 AWG high-purity OCC copper
  • Quad-core construction, each with four shielding layers



What’s Included

  • Mason Asahi IEMs
  • UM Fantasy Cable
  • UM3 3135C Carry Case
  • AZLA SednaEarfit Xelastec Eartips: SS / MS / M
  • UM Blue Core Eartips: S / M / L
  • Cleaning cloth, cable clip, spare mesh filters (x4), mesh pouches (x2), manual, warranty card

Warranty

Backed with a 1-year manufacturer’s warranty

Delivery Info

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Delivery Information

As a company, our primary goal is to provide a seamless service that results in customer satisfaction. We aim to deliver within 3 working days. Unfortunately, there may be occasions where this time frame may not be met due to unforeseen circumstances; in this instance, we deliver the product/s as soon as we can. All delivery charges are included within the prices quoted, unless otherwise specified.

All small items are usually delivered between 9 am and 6 pm, Monday to Friday, unless a Saturday delivery is requested. Follow My Parcel is an industry-changing innovation from DPD Local, providing your customers with unparalleled levels of information and peace of mind.Not only will your customers receive a one-hour delivery timeslot, but they’ll now also be able to track the progress of their parcels on a map as our drivers make their way to the delivery addresses. Follow My Parcel will:

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