Description

MEST Jet Black is the latest evolution of Unique Melody’s flagship hybrid bone conduction technology, combining a hybrid 10-driver configuration with an expansive and highly immersive sound signature. Built around UM’s Hybrid Bone Conduction System and Bone Conduction Crossover Technology, MEST Jet Black integrates dynamic, balanced armature, electrostatic and multiple bone conduction drivers into a unified acoustic architecture designed to enhance spatial presentation, layering, and overall coherence.

Its tuning balances deep and controlled bass response with a natural midrange and airy treble extension, creating a presentation that feels spacious, resolving, and highly engaging across a wide variety of genres. The addition of dedicated bone conduction drivers further enhances texture, dimensionality and imaging, delivering the holographic presentation the MEST series is known for. Housed in a polished black ceramic shell with a refined ergonomic design, MEST Jet Black combines flagship-level technical performance with long-term comfort and durability.

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10-DRIVER CONFIGURATION & HYBRID BONE CONDUCTION TECHNOLOGY

MEST Jet Black uses a hybrid 10-driver configuration built
around Unique Melody’s Hybrid Bone Conduction System and Bone Conduction Crossover Technology. The complete setup consists of 1 Dynamic Driver, 4 Balanced Armature Drivers, 2 Electrostatic Tweeters, 2 Composite Balanced Armature Bone Conduction Drivers and 1 Piezoelectric Bone Conduction Driver

Rather than functioning as separate layers, each driver
system is integrated through a dedicated crossover architecture designed to improve coherence, spatial presentation and tonal balance across the entire frequency range.

The dynamic driver is responsible for low frequencies,
delivering deep sub-bass extension with controlled impact and physical presence. The balanced armature drivers handle the midrange and upper frequencies, focusing on vocal clarity, detail retrieval and instrument separation.

For the upper treble region, the dual electrostatic
tweeters provide additional air, openness, and extension, helping create the spacious presentation the MEST series is known for.

HYBRID BONE CONDUCTION DRIVER ARCHITECTURE

The Hybrid Bone Conduction System combines two composite
balanced armature bone conduction drivers with a dedicated piezoelectric bone conduction driver. Together, they enhance texture, staging, imaging, and dimensional depth by transmitting vibrations across different frequency ranges through the shell structure itself. Instead of artificially boosting detail, the system is designed to create a more natural and holographic listening
experience.

MASTERFULLY TUNED FOR BALANCE AND IMMERSION

MEST Jet Black was developed with a more balanced and
versatile tuning philosophy while preserving the expansive presentation that defines the MEST series.

The bass response is deep and authoritative while remaining
controlled and articulate. The midrange is positioned naturally with strong vocal presence and accurate timbre, allowing instruments and vocals to sound detailed without becoming overly analytical.

Treble remains airy and extended through the dual
electrostatic tweeters, adding openness and separation while maintaining a smooth overall presentation. Combined with the hybrid bone conduction system, the sound feels spacious, layered and highly immersive.

BLACK CERAMIC SHELLS WITH A REFINED JET BLACKFINISH

MEST Jet Black features a black ceramic shell construction
designed for durability, acoustic stability, and long-term comfort. The polished ceramic finish gives the monitor a clean and understated appearancewhile maintaining the premium craftsmanship associated with Unique Melody’s flagship designs. The shell incorporates a smooth ergonomic shape along with a
long-spout nozzle design for improved insertion depth, fit stability and passive isolation. Gold petal-style vent detailing is integrated into the shell while preserving the minimal and monochromatic Jet Black aesthetic.

UM JET LINK CUSTOM CABLE IN 4.4MM BALANCEDTERMINATION

This IEM comes exclusively with the UM Jet Link Custom
Cable in a 4.4mm balanced termination.

The Jet Link cable uses a 4-wire 26AWG OCC copper
configuration with a seven-core twisted structure designed to complement the spacious and resolving presentation of the MEST Jet Black.

Its lightweight construction improves flexibility and
long-term comfort during extended listening sessions, while the OCC copper conductor design helps maintain clarity, separation, and tonal balance throughout the frequency range.

Finished with a glossy PVC jacket and a 4.4mm balanced
termination, the Jet Link cable completes the MEST Jet Black as a fully integrated flagship setup

Specifications

⚙️
Driver Configuration
1 DD + 4 BA + 2 EST + 3 BCD
🔊
Impedance
12.6
🔌
Cable Connector
0.78mm 2-Pin
🧶
Cable Material
OCC Copper
📏
Cable Length
1.2m
🎤
Microphone
No
💎
Shell / Cavity
Ceramic
Faceplate
Ceramic
🎶
Genre
Pop, Bollywood, Western, Hip-Hop, Rock

Box Content

1x IEM

1x IEM

1x Jet Link Custom Cable

1x Jet Link Custom Cable

1x UM2 3135C Case

1x UM2 3135C Case

3x  UM Silicone Ear Tips

3x UM Silicone Ear Tips

3x UM Transparent (Open Tips + Petal Tips)

3x UM Transparent (Open Tips + Petal Tips)

1x Cleaning Cloth

1x Cleaning Cloth

1x Air Mesh Fabric Bag

1x Air Mesh Fabric Bag

1 YEAR WARRANTY

Don't worry, Unique Melody – Mest Jest Black 10 Driver Hybrid IEM comes with a 1 Year warranty against manufacturing defects. We guarantee that every product on Concept Kart is genuine and backed by the Manufacturer's warranty.

Read more about Concept Kart's warranty policy.

Shipping Policy

FREE SHIPPING ON ALL PREPAID ORDERS

We usually ship orders on same day if ordered before 2 pm or within 24 hours if ordered later (except on holidays/sunday, where processing times may be higher) from one of our domestic warehouses based out of Delhi. It normally takes around 1 to 5 business days for delivery. We use premium service partners such as Blue dart, DTDC and Delivery for faster and reliable service. A tracking number will be provided upon shipment.

In very rare cases when order is not received after 10 business days of shipment (extended by number of days when the govt. Restricts movement of goods due to factors such as coronavirus pandemic), please contact us and we will provide you a support.