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Cayin

Cayin - C9ii

Portable Headphone Amplifier
Sale price₹ 219,999 Regular priceMRP: ₹ 259,999
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DELIVERY

1. What is a Pre-Order product?
A Pre-order product is a product that we especially order for you from the brand. Once you place an order with us, we will order it from the brand for you.

2. How do I know when the product will be delivered?
There is a rough timeline on the product availability and once it has been confirmed with the brand, we will inform you.

3. Do you order the product from the brand as soon as I place the order?
We do not immediately order the product but add it in the upcoming order.

4. Will you be giving me updates?
Once we have ordered the product and have a confirmed timeline, we will give you an update.

5. I’d like to make changes to/cancel my order?
You can only cancel/make changes to your order until we place the order with the brand. Since the product is specifically being ordered for you, we will be unable to cancel/make changes once we order the product from the brand.

Free Shipping
7 Day Replacement Guarantee

In case you receive the Cayin - C9ii with a manufacturing defect, please raise a return request within 7 days of delivery.

However, if you receive an incorrect / damaged / different product or one with missing accessories, please raise a return request within 24 hours of delivery. In case you receive a product with a missing, incorrect, or faulty accessory, you will be given a replacement accessory instead of the entire product.

Please make sure that the product is in the original packaging with all the accessories it came with. We'll also need an unboxing video and images of the parcel to investigate about the discrepancy. You may be asked to share images of the product and the packaging received for us to determine the damage or defect prior to approving the return request. The free replacement will be shipped only once the original order is returned.

A replacement will be issued only if:

- It is found to be defective
- It is determined that the product was not damaged while in your possession
- The product is not different from what was shipped to you
- The product is returned in original condition (with brand’s/manufacturer's box, MRP tag intact, user manual, warranty card and all the accessories therein)

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Warranty & Services

Don't sweat it, this Cayin - C9ii comes with a 1 Year warranty from Cayin that covers manufacturing defects. All products featured on Headphone Zone are backed by an original manufacturer's warranty.

Read more about Cayin's warranty in India.

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Join Club Audiophile to begin your pursuit of great sound. Earn points and save on every purchase.

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Why Cayin is Special

🇨🇳

Designed in China
Established & Reputed

Trust us, our reputation in the audio world speaks for itself!


This headphone or gear comes from a well-respected brand known for its high-quality audio equipment, so you can be confident in your purchase.


If you see a product marked as “🎖️ Established & Reputed”, it means you're getting a top-tier device from a brand that's earned its stripes in the audio industry.
Revered by Audiophiles

Audiophiles can be really picky and tough to impress and if the audiophile community says something sounds good, you can bet it's great!


This headphone or gear has gained recognition and admiration from audiophiles, who are known for their discerning taste in high-fidelity audio. They appreciate its precision, attention to detail and its ability to deliver an immersive sonic experience.


If you see a product marked as "🙌🏻 Revered by Audiophiles", it means that it meets the highest standards of sound quality and performance, making it a top choice for anyone who values exceptional audio experiences.
🐣

Born in 1993

Why we love this DAC/Amp

I Am Worth It

Only for the most passionate and discerning audiophiles who want the very best.


Audiophiles desire class-defining products that not only meet their needs but truly blows their expectation in quality and performance.


If you see a product marked with “👑 I Am Worth It," rest assured that it's a timeless investment. Its value cannot be measured with ordinary benchmarks and is an indulgence only for a select few.
Serious Audiophiles Only

Diving deeper into exploring the hobby is never enough.


If you're an audiophile on a hunt for a device that meets your high standards, this is one such headphone or gear designed for discerning audiophiles like you in mind.


If you see a product marked with “🦈 Serious Audiophiles Only" we assure you that this device can match your depth of knowledge and expertise to take your passion for audio to the next level.
Battery Life

No need to be connected to the power socket with these devices.


This headphone or gear promises long-lasting battery performance, ensuring your device keeps up with your adventures without missing a beat.


If you see products marked as “⏳ Battery Life”, be rest assured that you'll enjoy extended usage time, whether it's for uninterrupted music playback, extended gaming sessions, or all-day productivity, keeping you powered up throughout your day.
Battery Capacity

Power that keeps your music going.


This headphone or gear has ample battery capacity, promising you plenty of juice to power through your day with gusto.


If you see products marked as “🔋 Battery Capacity”, rejoice in the knowledge that your device is equipped with a robust battery, providing you with extended usage time and reducing the frequency of recharges, so you can focus on your favourite tracks.
Connect With Cable

This device comes with multiple connectivity options. Be sure to check if your source and output support these input and output options.
Built like a Tank

No need to worry about durability.


If you're seeking a headphone or gear with a strong, rugged build, this snapshot indicates that this is the one for you.


If you see a product marked with “🪖 Built like a Tank", it means this product is crafted with metal in its design, ensuring exceptional robustness and durability.

Why it Sounds Amazing

Power Output

When you need that juice to get the best out of your products.


This headphone or gear packs a punch, revealing the product's impressive power output capabilities, ensuring it can handle even the most demanding products with ease.


If you see products marked as “🚀 Power Output”, you're in for a treat with robust performance for driving high-fidelity products without breaking a sweat.
Balanced Output

Upgrading from single-ended to balanced can be the easiest way to improve your sound.


This DAC, Amp or Hi-Res player offers a balanced output, ensuring pristine audio quality with minimised interference and enhanced clarity for your listening pleasure.


If you see a product marked as "⚖️ Balanced Output”, get ready for a symphony of crystal-clear tunes, free from any unwanted noise drama!

Cayin Introduces The C9ii- An Extraordinary Portable Headphone Amplifier

Cayin presents the high-quality portable headphone amplifier redefining the audio reproduction, the C9ii. At its core lies the Gen5 Nutube 6P1 vacuum tube, delivering a warm, tube-like sound with enhanced efficiency and durability. This fully symmetric headphone amplifier features multi-stage amplification circuits for unmatched performance and compatibility with a wide range of IEMs and headphones. With five distinctive timbre settings, dual amp modes, and precision volume control, the C9ii offers exceptional sound-shaping flexibility for audiophiles. A direct battery power supply ensures excellent transient response and advanced thermal management maintains optimal performance. Combining robust design, premium materials and meticulous attention to detail, the C9ii offers unparalleled audio excellence.

Features Gen5 Nutube 6P1 Vacuum Tube For Exceptional Audio Performance

Cayin C9ii features the KORG Nutube 6P1, a compact and energy-efficient double DHT vacuum tube developed in 2015. Leveraging Vacuum Fluorescent Display (VFD) technology, the Nutube delivers warm, tube-like sound while maintaining a slim design and long lifespan. Despite its low heat and power consumption, the Nutube's sensitivity to microphonics posed challenges for portability. Cayin addressed this with a custom-engineered Suspended Installation System featuring silicon housing, shock absorption, and a flexible circuit board, minimizing microphonics and enhancing performance for the portable headphone amplifier.

Equipped With Vacuum Tube Circuit With Fully Discrete JFET Buffering For Refined Sound

Cayin C9ii features a Gen5 Nutube 6P1 vacuum tube circuit combined with discrete JFET buffering and a high-performance constant current source. Its three-stage low-gain timbre circuit uses Nutube 6P1 tubes as low-gain voltage amplifiers for warm, tube-like sound.

Stage 1 employs Toshiba 2SK209 JFETs for load driving.
Stage 2 uses Nutube pairs for balanced voltage amplification.
Stage 3 integrates additional JFETs for enhanced current driving.

Users can switch between high and low anode voltages to adjust sound linearity and harmonic distortion. The dual tube timbre design offers "Modern" and "Classic" options, while a discrete solid-state timbre circuit ensures versatile and refined sound shaping.

Houses Adjustable Anode & Tube Timbre With Dual Amp Modes For Tailored Sound

Cayin C9ii offers exceptional sound customisation with adjustable anode voltage, dual tube timbre, and versatile dual amp modes. Users can fine-tune sound linearity and harmonic distortion with high and low anode voltage settings, while the dual tube timbre design provides distinct Modern and Classic options to suit various musical preferences. The amp modes include Class A for warm, smooth playback, Class AB for efficiency and dynamic range, and Hyper mode for maximum audio output and enhanced soundstage. Its three-stage Nutube circuit, featuring Nutube 6P1 tubes and 16 Toshiba 2SK209 JFETs, ensures steady current delivery and outstanding sound quality.

Utilises Three Different Tube Timbre Circuit For A Customised Music Listening Experience

Cayin C9ii offers three distinct timbre circuits: a classic tube timbre with independent local feedback and no large-loop NFB, resulting in higher harmonic distortion and a warm, rich sound reminiscent of traditional tube amplifiers. The modern tube timbre uses large-loop NFB across multiple stages for lower THD, delivering a cleaner, modern tube sound with reduced noise. Lastly, the solid-state timbre employs a single-ended Class A design for smooth, natural, and fatigue-free audio output.

Experience Five Different Sound Profiles With Five Distinctive Timbre Settings

Cayin C9ii offers versatile audio shaping through its Nutube 6P1, allowing fine-tuning of even-order harmonics with adjustable plate voltages. In tube mode, switching between two plate voltage settings (High and Low) provides distinct tonal profiles, complemented by a solid-state option for five timbre settings: 

Tube (Classic) Anode (H) : Rich, emotional sound ideal for vocals.
Tube (Classic) Anode (L) : warmer and thicker tones.
Tube (Modern) Anode (H) : light, sweet tube sound.
Tube (Modern) Anode (L) : minimal coloration and clean accuracy.
Solid State : Balanced and natural tone. 

The Negative Feedback (NFB) feature adds further customization with Local Feedback (ON) for richer harmonics and warmer bass, or Large-loop Feedback (OFF) for enhanced dynamics and spatiality. With dual input modes (Line Input or Pre-Amp Input), three amplification modes (Class A, Class AB, Hyper), and three timbre options, the C9ii offers unmatched flexibility to craft a sound profile for any genre or listening preference.

Features Gen5 Nutube 6P1 Vacuum Tube For Exceptional Audio Performance

Cayin C9ii features the KORG Nutube 6P1, a compact and energy-efficient double DHT vacuum tube developed in 2015. Leveraging Vacuum Fluorescent Display (VFD) technology, the Nutube delivers warm, tube-like sound while maintaining a slim design and long lifespan. Despite its low heat and power consumption, the Nutube's sensitivity to microphonics posed challenges for portability. Cayin addressed this with a custom-engineered Suspended Installation System featuring silicon housing, shock absorption, and a flexible circuit board, minimizing microphonics and enhancing performance for the portable headphone amplifier.

Equipped With Vacuum Tube Circuit With Fully Discrete JFET Buffering For Refined Sound

Cayin C9ii features a Gen5 Nutube 6P1 vacuum tube circuit combined with discrete JFET buffering and a high-performance constant current source. Its three-stage low-gain timbre circuit uses Nutube 6P1 tubes as low-gain voltage amplifiers for warm, tube-like sound.

Stage 1 employs Toshiba 2SK209 JFETs for load driving.
Stage 2 uses Nutube pairs for balanced voltage amplification.
Stage 3 integrates additional JFETs for enhanced current driving.

Users can switch between high and low anode voltages to adjust sound linearity and harmonic distortion. The dual tube timbre design offers "Modern" and "Classic" options, while a discrete solid-state timbre circuit ensures versatile and refined sound shaping.

Houses Adjustable Anode & Tube Timbre With Dual Amp Modes For Tailored Sound

Cayin C9ii offers exceptional sound customisation with adjustable anode voltage, dual tube timbre, and versatile dual amp modes. Users can fine-tune sound linearity and harmonic distortion with high and low anode voltage settings, while the dual tube timbre design provides distinct Modern and Classic options to suit various musical preferences. The amp modes include Class A for warm, smooth playback, Class AB for efficiency and dynamic range, and Hyper mode for maximum audio output and enhanced soundstage. Its three-stage Nutube circuit, featuring Nutube 6P1 tubes and 16 Toshiba 2SK209 JFETs, ensures steady current delivery and outstanding sound quality.

Utilises Three Different Tube Timbre Circuit For A Customised Music Listening Experience

Cayin C9ii offers three distinct timbre circuits: a classic tube timbre with independent local feedback and no large-loop NFB, resulting in higher harmonic distortion and a warm, rich sound reminiscent of traditional tube amplifiers. The modern tube timbre uses large-loop NFB across multiple stages for lower THD, delivering a cleaner, modern tube sound with reduced noise. Lastly, the solid-state timbre employs a single-ended Class A design for smooth, natural, and fatigue-free audio output.

Experience Five Different Sound Profiles With Five Distinctive Timbre Settings

Cayin C9ii offers versatile audio shaping through its Nutube 6P1, allowing fine-tuning of even-order harmonics with adjustable plate voltages. In tube mode, switching between two plate voltage settings (High and Low) provides distinct tonal profiles, complemented by a solid-state option for five timbre settings: 

Tube (Classic) Anode (H) : Rich, emotional sound ideal for vocals.
Tube (Classic) Anode (L) : warmer and thicker tones.
Tube (Modern) Anode (H) : light, sweet tube sound.
Tube (Modern) Anode (L) : minimal coloration and clean accuracy.
Solid State : Balanced and natural tone. 

The Negative Feedback (NFB) feature adds further customization with Local Feedback (ON) for richer harmonics and warmer bass, or Large-loop Feedback (OFF) for enhanced dynamics and spatiality. With dual input modes (Line Input or Pre-Amp Input), three amplification modes (Class A, Class AB, Hyper), and three timbre options, the C9ii offers unmatched flexibility to craft a sound profile for any genre or listening preference.

A Fully Symmetric Headphone Amplifier With Multi-Stage Amplification For High Performance

Cayin C9ii is a fully symmetric headphone amplifier with a four-channel differential circuit, enhancing performance, signal coherence, noise reduction, stereo imaging, and symmetry. It features a Symmetric JFET Differential Input Amplifier with eight ultra-low-noise JFETs (LSK489 and LSJ689) for consistent performance. The Symmetric BJT Push-Pull Differential Voltage Amplifier, using Toshiba audio-grade PNP transistors, ensures stable operation and optimal harmonic distribution. The final Symmetric BJT Push-Pull Parallel Current Amplifier employs high-power Nexperia bipolar transistors, offering excellent thermal stability, superior current handling, and improved load-driving capacity for compatibility with various headphones and IEMs.

Features JRC MUSES Series 2 For High-Precision Volume Control & Premium Quality Internal Wiring

Cayin C9ii features high-precision volume control using JRC MUSES72320V 2-channel analogue chips with 131 steps, ensuring optimal balance and low distortion in a fully differential circuit. The resistance-ladder design ensures excellent channel synchronization and minimal noise. Volume adjustments are electronically controlled, with an ALPS potentiometer used for physical sampling, offering precise control even at low levels. The amplifier includes a two-stage gain control (High/Low) for compatibility with various IEMs and headphones. For premium connectivity, the upgraded CS-44C4411 balanced cable features shielded OCC Litz conductors and twisted OFC wire, enhancing clarity, imaging, and reducing noise.

Powered By Direct Battery Power Supply With Replaceable Battery Design For Impressive Power Supply

Cayin C9ii is powered by four Samsung 35E 3400mAh 18650 batteries, providing a direct ±8.4V supply to the amplification circuit, eliminating the need for DC/DC regulation. This design ensures excellent transient current delivery for superior audio performance. Premium components, such as WIMA film capacitors, C0G-type MLCCs, Panasonic POSCAPs, and OS-CON capacitors, create a low-resistance, fast-responding power supply with enhanced noise filtering. The Samsung 35E batteries, known for high energy density and low internal resistance, improve headroom and transient response. The modular, tool-free battery tray features quick-release latches, self-locking mechanisms, and a secure SATA interface, also functioning as a standalone charger. The replaceable battery design allows users to experiment with different 18650 batteries to fine-tune sound quality.

Provides Effective Heat Dissipation With an Advanced Thermal Management System

Cayin C9ii features a thermal management system with high-conductivity graphite pads and CNC-machined heat sinks for efficient heat dissipation. The chassis, made from 6063-T6 aluminium alloy, offers excellent thermal conductivity (~200 W/m·K) and improved strength due to T6 heat treatment. The increased width (from 160mm to 165mm) allows for additional heat sinks on the side panels, ensuring even temperature distribution and minimizing heat-related performance issues for consistent operation.

Industrial Design With Exquisite Details & Dual Input/Output Options

Cayin C9ii is meticulously crafted with a high-precision CNC-machined chassis for an industrial design and exquisite metallic feel. The sides feature an elegant curved design with enhanced grip comfort while significantly increasing heat dissipation. It equips 4 LED battery indicators that display the battery capacity and the LED flashes as charging indicators when connected to a USB charger. It features mini handles on each side to protect the toggle switches from accidental bumps or damage. It embeds 2 display windows for Nutube VFD, while the iconic gold ring on the potentiometer of the C9 series features CNC mirror polishing and PVD gold plating techniques. C9ii features input and output options of 4.4mm Balanced and 3.5mm Single-ended. Single-ended input will convert to a Balanced audio signal internally to take full advantage of the high-current balanced headphone amplifier.

A Fully Symmetric Headphone Amplifier With Multi-Stage Amplification For High Performance

Cayin C9ii is a fully symmetric headphone amplifier with a four-channel differential circuit, enhancing performance, signal coherence, noise reduction, stereo imaging, and symmetry. It features a Symmetric JFET Differential Input Amplifier with eight ultra-low-noise JFETs (LSK489 and LSJ689) for consistent performance. The Symmetric BJT Push-Pull Differential Voltage Amplifier, using Toshiba audio-grade PNP transistors, ensures stable operation and optimal harmonic distribution. The final Symmetric BJT Push-Pull Parallel Current Amplifier employs high-power Nexperia bipolar transistors, offering excellent thermal stability, superior current handling, and improved load-driving capacity for compatibility with various headphones and IEMs.

Features JRC MUSES Series 2 For High-Precision Volume Control & Premium Quality Internal Wiring

Cayin C9ii features high-precision volume control using JRC MUSES72320V 2-channel analogue chips with 131 steps, ensuring optimal balance and low distortion in a fully differential circuit. The resistance-ladder design ensures excellent channel synchronization and minimal noise. Volume adjustments are electronically controlled, with an ALPS potentiometer used for physical sampling, offering precise control even at low levels. The amplifier includes a two-stage gain control (High/Low) for compatibility with various IEMs and headphones. For premium connectivity, the upgraded CS-44C4411 balanced cable features shielded OCC Litz conductors and twisted OFC wire, enhancing clarity, imaging, and reducing noise.

Powered By Direct Battery Power Supply With Replaceable Battery Design For Impressive Power Supply

Cayin C9ii is powered by four Samsung 35E 3400mAh 18650 batteries, providing a direct ±8.4V supply to the amplification circuit, eliminating the need for DC/DC regulation. This design ensures excellent transient current delivery for superior audio performance. Premium components, such as WIMA film capacitors, C0G-type MLCCs, Panasonic POSCAPs, and OS-CON capacitors, create a low-resistance, fast-responding power supply with enhanced noise filtering. The Samsung 35E batteries, known for high energy density and low internal resistance, improve headroom and transient response. The modular, tool-free battery tray features quick-release latches, self-locking mechanisms, and a secure SATA interface, also functioning as a standalone charger. The replaceable battery design allows users to experiment with different 18650 batteries to fine-tune sound quality.

Provides Effective Heat Dissipation With an Advanced Thermal Management System

Cayin C9ii features a thermal management system with high-conductivity graphite pads and CNC-machined heat sinks for efficient heat dissipation. The chassis, made from 6063-T6 aluminium alloy, offers excellent thermal conductivity (~200 W/m·K) and improved strength due to T6 heat treatment. The increased width (from 160mm to 165mm) allows for additional heat sinks on the side panels, ensuring even temperature distribution and minimizing heat-related performance issues for consistent operation.

Industrial Design With Exquisite Details & Dual Input/Output Options

Cayin C9ii is meticulously crafted with a high-precision CNC-machined chassis for an industrial design and exquisite metallic feel. The sides feature an elegant curved design with enhanced grip comfort while significantly increasing heat dissipation. It equips 4 LED battery indicators that display the battery capacity and the LED flashes as charging indicators when connected to a USB charger. It features mini handles on each side to protect the toggle switches from accidental bumps or damage. It embeds 2 display windows for Nutube VFD, while the iconic gold ring on the potentiometer of the C9 series features CNC mirror polishing and PVD gold plating techniques. C9ii features input and output options of 4.4mm Balanced and 3.5mm Single-ended. Single-ended input will convert to a Balanced audio signal internally to take full advantage of the high-current balanced headphone amplifier.

Dual Headphone Output

Cayin C9ii features dual headphone output options featuring 4.4mm Balanced and 3.5mm Single-ended to connect with various devices.

Dual Input Option

Cayin C9ii to pair with various audiophile grade devices, it features 4.4mm Balanced and 3.5mm Single-ended input ports.

Pre-In & NFB Selector

Cayin C9ii features a Pre-In and negative feedback selector and indicator for a customised music listening experience.

Accessories to Get you Started

1. C9ii Battery Module (Mounted on the device)
2. CS-35C35II Single-Ended Interconnect Cable
3. CS-44C44II Balanced Interconnect Cable
4. Samsung INR18650-35E Batteries x4
5. Hi-Res Stickers
6. Type-C Cable
7. User Manual

All You Need To Know About The Cayin C9ii

Headphone Output
3.5mm TRS (Single-Ended)
4.4mm TRRRS (Balanced)
Input
3.5mm TRS (Single-Ended)
4.4mm TRRRS (Balanced)
Timbre Circuit
Tube: KORG Nutube 6P1 x2
Solid State: Toshiba 2SK209 JFET x4
Battery
Battery: Samsung INR18650-35E (3400mAh) x4
Battery Duration:
Timbre: Solid State
Mode: Class AB
3.5mm (Single-Ended): ~17.5 Hours
4.4mm (Balanced): ~13.5 Hours

Mode: Class A
3.5mm (Single-Ended): ~15 Hours
4.4mm (Balanced): ~10.5 Hours

Mode: Hyper
3.5mm (Single-Ended): ~14.7 Hours
4.4mm (Balanced): ~10.2 Hours

Timbre: Vacuum Tube (Modern)
Mode: Class AB
3.5mm (Single-Ended): ~12.5 Hours
4.4mm (Balanced): ~9.5 Hours

Mode: Class A
3.5mm (Single-Ended): ~11.5 Hours
4.4mm (Balanced): ~8.2 Hours

Mode: Hyper
3.5mm (Single-Ended): ~11.2 Hours
4.4mm (Balanced): ~8 Hours

Charging:
Condition: Standard Charger (5V-2A)
Time: ~6.5 Hours
Condition: Quick Charge QC3.0/PD2.0 (9V2A)
Time: ~3.8 Hours
Power 3.5mm (Single-Ended)
Setting: Tube/Solid State
Parameter:
16 Ohms: 1200 mW
32 Ohms: 700mW
150 Ohms: 160mW
300 Ohms: 80mW
Frequency Response:
Tube: 20Hz-80kHz(±0.5dB)
Solid State: 11Hz-80kHz(±0.5dB)
Test Condition: High/Low Gain
Power 4.4mm (Balanced)
Setting: Tube/Solid State
Parameter:
16 Ohms: 4100mW
32 Ohms: 2600mW
150 Ohms: 640mW
300 Ohms: 320mW
Frequency Response:
Tube: 20Hz-80kHz(±0.5dB)
Solid State: 11Hz-80kHz(±0.5dB)
Test Condition: High/Low Gain


Other Details

Generic Name Amp & DAC
Importer Details Importers Name: Ferrari Video
Address: 63/18, 1st Main Road, Gandhi Nagar, Chennai - 600020
Contact No: 044-24420733
Net Quantity 1
Manufacturer Details Name: Zhuhai Spark Electronic Equipment Co.,Ltd.
Address: No.9 Lianfa Road Shuanglin Zone Liangang Industrial Park Zhuhai City Guangdong Province China, Postcode: 519045
Package Contents C9ii Dual Nutube Portable Headphone Amplifier
C9ii Battery Module (Mounted on the device)
CS-35C35II Single-Ended Interconnect Cable
CS-44C44II Balanced Interconnect Cable
Samsung INR18650-35E Batteries x4
Hi-Res Stickers
Type-C Cable
User Manual


1 Year Warranty

Don't sweat it, this Cayin - C9ii comes with a 1 Year warranty from Cayin that covers manufacturing defects. All products featured on Headphone Zone are backed by an original manufacturer's warranty.

Read more about Cayin's warranty in India.

Elevating Hi-Fi Experiences Since 1993

Founded in 1993, Zhuhai Spark Electronic Equipment Co., Ltd. has been dedicated to perfecting audio equipment under the brand name Cayin. With a commitment to delivering top-notch Hi-Fi products, Cayin embeds cultural richness into its audio range, catering to diverse budgets to make premium music experiences accessible. From tube amplifiers and CD players to speakers, Cayin maintains a consistent benchmark of quality, ensuring a compelling price-to-performance ratio across its offerings.

In 2013, Cayin expanded its horizons into personal audio, unveiling a line of Digital Audio Players (DAP) and desktop audio products. The brand further diversifies its portfolio with portable audio products, including amplifiers and in-ear monitors, empowering users with a broad spectrum of audio choices.

Explore Collection
The Cayin C9ii is a showcase of advanced engineering, blending cutting-edge components and meticulous design to deliver a highly customizable and versatile portable amplifier. The C9ii combines flexibility, power, and performance
C9ii offers more than C9, making it a valuable investment. DAPs come and go, but a portable amp like C9ii should last you a long time to enhance any source you pair it up with.

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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: 10.30am-6:30pm.Average answer time: 2-3 Hours

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