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Kotori Audio - Zephyr

In-Ears With 1 DD + 1 BA Drivers

₹ 11,999

Inclusive of all taxes

    DELIVERY

    Dispatches in 48 hours

    RETURNS & WARRANTY

     7 Day Replacement Guarantee

    1 Year Warranty

Introducing Kotori Audio Zephyr. Made in Singapore. Made For India

Kotori Audio stands at the forefront of audio engineering, integrating meticulous attention to detail with advanced technical expertise to create products that exemplify both precision and immersive listening quality. Established in 2019, their commitment to innovation continues to advance the boundaries of audio technology through sophisticated listening solutions. ZEPHYR represents their latest innovation in audio engineering, integrating technical precision with musical authenticity through an advanced hybrid 1DD + 1BA configuration. Their research and development process revealed that successful driver integration demands sophisticated engineering solutions. In pursuit of delivering superior audio performance, they developed ZEPHYR, named after Zephyrus, the Greek deity of the west wind, to achieve exceptional clarity and immersive soundstage characteristics. Kotori Audio aims to create affordable, high-quality audio systems, with ZEPHYR showcasing their commitment to precision engineering and musical authenticity.

Made In Singapore. Made For India.

Kotori Audio blends precision engineering with meticulous attention to detail. Founded in 2019, the company started with three music enthusiasts in a school clubroom sharing a vision to create affordable, high-quality audio systems that reproduce music faithfully. Beginning with cable crafting, they progressed to IEM development, combining technical expertise with artistic design. Their balanced-sounding IEMs leverage aeronautical engineering principles for both precision and durability. This blend of artistry and technical expertise defines Kotori Audio's unique approach to audio excellence. The company aims to create innovative audio peripherals for both consumer and professional markets, enriching lives through music. Their ultimate goal is to develop an 'end-game' IEM that achieves their ideal sound signature. Their latest innovation in audio engineering - The ZEPHYR lets you indulge in a musical experience like never before

Hybrid Driver : Fusing Dynamic Power With Balanced Precision

Kotori Audio identified optimal driver configurations through extensive prototype testing. They selected a premium driver offering superior acoustics and compatibility with balanced armature technology, though requiring precise air pressure management. The final design incorporates a 10mm dynamic driver for low frequencies paired with a balanced armature driver for mids and highs. Their proprietary dynamic driver features a titanium membrane, chosen for its exceptional mechanical properties. The high stiffness modulus enables swift response times, precise detail reproduction, and accurate transient handling.

The Core of Clarity: Kotori’s Pressure Balanced Acoustic System

At the heart of ZEPHYR lies the innovative Pressure Balanced Acoustic System (PBAS), which seamlessly integrates a custom dynamic driver with a Knowles balanced armature tweeter. The balanced armature's compact design delivers quick, precise high frequencies while complementing the dynamic driver's performance. Using a modified DAUNTLESS base body and semi-custom shell design, ZEPHYR achieves both wearing comfort and optimal acoustics. To address the common issue of muddy sound caused by conventional IEM venting, Kotori Audio developed the "Balancer Tube" - a precision-engineered stainless steel component manufactured to incredibly fine tolerances (under 30 micrometres). This innovative two-way air pressure regulator works in harmony with internal 3D structures and careful damping to create the complete PBAS, ensuring consistent air pressure and superior sound quality.

Sealed Acoustic Chamber For Passive Noise Isolation At Its Best

Kotori Audio ZEPHYR incorporates an innovative inter-chamber pressure relief system that connects the front and rear driver sections through its precision-engineered balancer tube. They utilised a pressure equalisation system that removes vacuum pressure at the back vent, optimising the dynamic driver's performance. Through reduced mechanical resistance, the driver gains enhanced freedom of movement, resulting in pristine audio clarity and improved transient response. This system successfully eliminates driver flex issues, ensuring consistent and precise sound reproduction across the frequency spectrum. Additionally, ZEPHYR's sealed acoustic chamber design delivers excellent passive noise isolation, creating an immersive listening environment.

A Faceplate That Stands Apart, Inspired By Bauhaus

In order to honour ZEPHYR, the faceplate needed to express more than just functionality. The personification of the westerly wind, while creating a unique, recognisable shape that would stand apart from other IEMs in the market. Taking an abstract approach and created an image without conventional form. Inspired by Bauhaus' geometric style, particularly hexagons, the design evolved into a mathematical concept, a pure expression of formlessness. To incorporate the wind motif, they twisted the hexagonal shape to resemble the vortex pattern that forms when air flows around a stationary object.

Comes Bundled With Premium OFC CARBON-3 Cable

Kotori Audio ZEPHYR comes bundled with high-quality CARBON-3 cable equipped with silver-plated Oxygen-Free Copper (OFC) Litz conductors and 28 AWG with 2x2 core. The cable is further enhanced with smooth, flexible, and durable insulation, offering improved comfort and ergonomics. It features gold-plated right angle TRS 3.5mm termination and 2-pin 0.78mm connectors for easy cable upgradation.

Feature Image

Driver

Hybrid Driver

Driver Configuration

1 Balanced Armature + 1 Dynamic Driver(Titanium-Coated Membrane DDKnowles Balanced Armature Driver)

Impedance

18.3 Ohms @ 1kHz

Connector

0.78mm 2-Pin

Plug

3.5mm (Single-Ended)Gold-Plated Right Angle TRS Plug

Microphone

Not Available

Sensitivity

92.6dBA Average SPL

Frequency Response

20Hz – 20kHz92.6dBA Average SPL

Total Harmonic Distortion

≈0.4% @1kHz, 100dB

Structure

3D-Printed Custom Engineering Tough Resin Shell6063 CNC Aluminium Alloy Faceplate

Weight

5.2 g (Earphone, Per Side)21.3 g (Cable)

Cable

CARBON 3 CableOFC Silver-Plated Copper Litz 28 AWG / 2 x 2-Core

Box Contents

1. Kotori Audio Zephyr 2. H-01 Ear Tip Set 3. M-02 Ear Tip Set 4. Ear Tip Organiser 5. CARBON 3 IEM Cable 6. Metal Carrying Case

Have a question? Get in touch!

Check out the most common questions our customers ask. Still have questions? Talk to our Headphone Gurus.

Our customer support is available Monday to Friday: 11am-6pm.

The warranty period on Kotori Audio Zephyr is for 1 year. To read more information click here.

PBAS is an advanced pressure control system that integrates a balancer tube and acoustic pathways into the IEM shell, ensuring improved sound precision, clarity, and tuning stability.

Yes, the in-ear design provides passive noise isolation, though it does not have active noise cancellation (ANC).

10mm Titanium-Coated Dynamic Driver: Delivers deep, controlled bass and rich mids. Knowles Balanced Armature (BA) Driver: Enhances treble clarity for a detailed sound.

The balancer tube precisely controls air pressure inside the IEM, optimizing the driver's movement for: 1. Distortion-free audio 2. Cleaner transient response 3. Improved dynamic driver performance

Yes! The Kotori Audio Zephyr uses 2-pin 0.78mm connectors, allowing users to swap cables for balanced or custom options.

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