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.
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.
What is the warranty period on the Kotori Audio Zephyr and how do I claim warranty?
The warranty period on Kotori Audio Zephyr is for 1 year. To read more information click here.
What is the Pressure-Balanced Acoustic System (PBAS)?
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.
Does the Kotori Audio Zephyr have noise isolation?
Yes, the in-ear design provides passive noise isolation, though it does not have active noise cancellation (ANC).
What type of drivers does the Kotori Audio Zephyr use?
10mm Titanium-Coated Dynamic Driver: Delivers deep, controlled bass and rich mids. Knowles Balanced Armature (BA) Driver: Enhances treble clarity for a detailed sound.
What is the function of the balancer tube?
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
Can I upgrade the cable?
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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