Cayin

Cayin - C9

Portable Headphone Amplifier

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Tenure Interest% Installment Interest
3 14% ₹ 64,816 ₹ 4,450
6 14% ₹ 32,972 ₹ 7,833
9 14% ₹ 22,362 ₹ 11,255
12 14% ₹ 17,059 ₹ 14,715
18 14% ₹ 11,764 ₹ 21,750
24 14% ₹ 9,122 ₹ 28,939
Tenure Interest% Installment Interest
3 13% ₹ 64,710 ₹ 4,131
6 13% ₹ 32,878 ₹ 7,269
9 14% ₹ 22,362 ₹ 11,255
12 14% ₹ 17,059 ₹ 14,715
18 15% ₹ 11,853 ₹ 23,356
24 15% ₹ 9,212 ₹ 31,099
Tenure Interest% Installment Interest
3 13% ₹ 64,710 ₹ 4,131
6 13% ₹ 32,878 ₹ 7,269
9 13% ₹ 22,271 ₹ 10,439
12 13% ₹ 16,970 ₹ 13,643
18 15% ₹ 11,853 ₹ 23,356
24 15% ₹ 9,212 ₹ 31,099
Tenure Interest% Installment Interest
3 13% ₹ 64,710 ₹ 4,131
6 13% ₹ 32,878 ₹ 7,269
9 15% ₹ 22,452 ₹ 12,072
12 15% ₹ 17,149 ₹ 15,789
18 15% ₹ 11,853 ₹ 23,356
24 15% ₹ 9,212 ₹ 31,099
Tenure Interest% Installment Interest
3 15% ₹ 64,923 ₹ 4,770
6 15% ₹ 33,066 ₹ 8,399
9 15% ₹ 22,452 ₹ 12,072
12 15% ₹ 17,149 ₹ 15,789
18 15% ₹ 11,853 ₹ 23,356
24 15% ₹ 9,212 ₹ 31,099
Tenure Interest% Installment Interest
3 12.50% ₹ 64,657 ₹ 3,972
6 12.50% ₹ 32,831 ₹ 6,987
9 13.50% ₹ 22,316 ₹ 10,847
12 13.50% ₹ 17,015 ₹ 14,179
18 13.50% ₹ 11,719 ₹ 20,949
Tenure Interest% Installment Interest
3 12.99% ₹ 64,709 ₹ 4,128
6 13.99% ₹ 32,971 ₹ 7,828
9 13.99% ₹ 22,361 ₹ 11,246
12 13.99% ₹ 17,059 ₹ 14,704
18 14.99% ₹ 11,852 ₹ 23,340
24 14.99% ₹ 9,212 ₹ 31,077
Tenure Interest% Installment Interest
3 13% ₹ 64,710 ₹ 4,131
6 13% ₹ 32,878 ₹ 7,269
9 13% ₹ 22,271 ₹ 10,439
12 12% ₹ 16,881 ₹ 12,575
18 12% ₹ 11,587 ₹ 18,559
24 12% ₹ 8,944 ₹ 24,655
Tenure Interest% Installment Interest
3 12% ₹ 64,604 ₹ 3,813
6 12% ₹ 32,784 ₹ 6,705
9 14% ₹ 22,362 ₹ 11,255
12 14% ₹ 17,059 ₹ 14,715
18 15% ₹ 11,853 ₹ 23,356
24 15% ₹ 9,212 ₹ 31,099
Tenure Interest% Installment Interest
3 13% ₹ 64,710 ₹ 4,131
6 14% ₹ 32,972 ₹ 7,833
9 15% ₹ 22,452 ₹ 12,072
12 15% ₹ 17,149 ₹ 15,789
18 15% ₹ 11,853 ₹ 23,356
24 15% ₹ 9,212 ₹ 31,099
Tenure Interest% Installment Interest
3 14% ₹ 64,816 ₹ 4,450
6 14% ₹ 32,972 ₹ 7,833
9 14% ₹ 22,362 ₹ 11,255
12 14% ₹ 17,059 ₹ 14,715
Tenure Interest% Installment Interest
3 13% ₹ 64,710 ₹ 4,131
6 13% ₹ 32,878 ₹ 7,269
9 14% ₹ 22,362 ₹ 11,255
12 14% ₹ 17,059 ₹ 14,715
Tenure Interest% Installment Interest
3 13% ₹ 64,710 ₹ 4,131
6 13% ₹ 32,878 ₹ 7,269
9 14% ₹ 22,362 ₹ 11,255
12 14% ₹ 17,059 ₹ 14,715
18 15% ₹ 11,853 ₹ 23,356
24 15% ₹ 9,212 ₹ 31,099
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7 Day Replacement Guarantee Info

7 Day Replacement Guarantee

All products are covered by the Headphone Zone 7 Day Replacement Guarantee. This product is eligible for a free replacement in case you receive a damaged, defective or different item.

Please keep the product in its original condition with all accessories & packaging for a successful return. We may contact you to assess the damage or defect before issuing a replacement.

Please note that physical damage cases need to be brought to our notice within 24 hours.

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1 Year Manufacturer's Warranty Info

Warranty & Service

This product is covered by Cayin's 1 Year Warranty against manufacturing defects. The Authorised service partner for all warranty claims in India is Headphone Zone.
Read more

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Chi-Fi
Excellence

1 Year of
Warranty

Ideal for
Audiophiles

Ideal for
Commuting

Best Suited for
Portable Use

Upto 15 Hours of
Battery Life

4.4mm
Balanced Output

Metal
Build

Upto 2600mW @ 32 Ω
Power Output

Connect With
3.5mm SE & 4.4mm BAL

Volume
Controls

Battery Capacity of
12000mAh

DESCRIPTION

BALANCED AND DISCRETE SYSTEM WITH DUAL TIMBRE CIRCUITRY

The Cayin C9 features a fully balanced, discreet, four-channel circuitry to offer the highest quality audio reproduction. The device embeds a unique timbre circuitry that allows the users to switch between Vacuum Tube and Solid State timber on both the balanced and single-end inputs. The vacuum tube timbre circuit utilises two miniature double Direct Heated Triode (DHT) Nutube 6P1 by KORG, applicable to both outputs, with carefully implemented NFB to reduce THD+N to 0.03%. The result is a warm and vivid presentation of sound. The Solid State Timbre Circuit is a fully discrete buffer and amplification audio circuit, designed around two matched pairs of high-quality low noise audio frequency Toshiba 2SK209 JFET. This Deliver a warm and rich timbre that is realistic and engaging.
SR25

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Headphone-Zone-Cayin-C9
Headphone-Zone-Cayin-C9
Headphone-Zone-Cayin-C9

HEADPHONE AMPLIFIER WITH DUAL AMPLIFICATION MODES

Cayin C9 comes with a high-quality 4-ch JFET and BJT based fully balanced headphone amplification circuit for portable application. To achieve the desired audio performance, the input signal is handled by a quad set of WIMA coupling capacitors and two matched pairs of LSK489 DUAL JFET differential amplifiers. The final output stage is composed of a matched quad set of doubled BJT in parallel, providing 4100mW of power for IEMs and headphones. The C9 offers dual operation modes with Class A and Class AB amplification. With Class A mode you get low distortion and warm sound. Class AB offers a higher dynamic range with clean audio output. Switch between the two modes instantly with a flick of a switch and customize the sound signature to fit your personal preference, music genres, and headphone pairings.

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Headphone-Zone-Cayin-C9
Headphone-Zone-Cayin-C9

DUAL INPUT MODES WITH TWO-STAGE GAIN CONTROL

The Cayin C9 has been designed to offer maximum flexibility in terms of operation and connectivity. Cayin C9 features dual input modes with regular line input mode and pre-amp input mode supporting 3.5mm single-ended and 4.4mm balanced connection for both input and output. Line input receives fixed voltage audio signal from line-level output and functions as a headphone amplifier with local volume control. Pre-amp receives variable voltage audio signal from Pre-amp output and functions as a power amplifier while volume is controlled at the source equipment. This is topped off with dual-stage gain control with High Gain and Low Gain configuration which is MCU controlled and optimized automatically when either is selected. The volume is controlled by 4-channels of ALPS potentiometer with a pair of a stereo electronic volume knob. This offers precision and low distortion while changing volume.

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Headphone-Zone-Cayin-C9
Headphone-Zone-Cayin-C9
Headphone-Zone-Cayin-C9

FEATURING BALANCED OUTPUTS AND HEAT-DISSIPATING DESIGN

The Cayin C9 has been engineered and designed with utmost consideration to offer maximum connectivity while maintaining the small form factor. The C9 offers single-ended and balanced output with a 3.5mm single-ended and a 4.4mm balanced output allowing you to connect headphones and devices. The C9 features a circuit that facilitates balanced input to balanced output, single-ended input to single-ended output and also allows the signal to flow from single-ended input to balanced output and balanced input to single-ended output. This is further elevated with a carefully designed heat management system to divert and dissipate heat energy effectively, right down to the placement of components. This maintains C9 at lower temperatures consistently and allows uninterrupted functioning.

Headphone-Zone-Cayin-C9
Headphone-Zone-Cayin-C9

BATTERY OPERATED WITH DEDICATED POWER PROTECTION

The Cayin C9 is a portable device that can be carried anywhere with you. To facilitate the compact design, the engineers at Cayin adopted a battery-powered design for the C9 with a removable battery module with 4 user-replaceable Sony18650 rechargeable lithium batteries. These batteries in combination provide a reliable power supply of ±8.4V with 8-12 mn low internal resistance and 30A of maximum continuous discharge. The Cayin C9 features a power protection and management system to ensure all four batteries will be fully charged at the same pace while connected to the USB Type-C connector. A convenient LED indicator displays charging and battery capacity status.

Headphone-Zone-Cayin-C9
Headphone-Zone-Cayin-C9
Headphone-Zone-Cayin-C9

SPECS

C9 PORTABLE HEADPHONE AMP SPECS
INPUT 3.5mm TRS, 4.4mm TRRRS
OUTPUT 3.5mm TRS, 4.4mm TRRRS
CHARGING USB Type-C (QC3.0)
TIMBER CIRCUIT (TUBE) KORG Nutube 6P1 x 2
TIMBER CIRCUIT (SS) Toshiba 2SK209 JFET x 4
INPUT DIFFERENTIAL AMP LIS LSK489 JFET x4
ELECTRONIC VOLUME CONTROL MUSES72320 x2
BATTERY Sony US18650VTC6 (3000mAh 3.7V) x4
DIMENSIONS 160 x 80 x28 (mm)
NET WEIGHT 550g (+5g)
C9 BATTERY AND DURATION
BATTERY DURATION
SOLID STATE (CLASS AB) Single-Ended (3.5mm): ~15 Hours
Balanced (4.4mm): ~10 Hours
SOLID STATE (CLASS A) Single-Ended (3.5mm): ~12 Hours
Balanced (4.4mm): ~7 Hours
VACCUM TUBES (CLASS AB) Single-Ended (3.5mm): 9.5 Hours
Balanced (4.4mm): ~9 Hours
VACCUM TUBES (CLASS A) Single-Ended (3.5mm): ~8 Hours
Balanced (4.4mm): ~5.5 Hours
CHARGING Standard Charger (5V-2A): ~6 Hours
Quick Charge QC3.0: ~3 Hours
C9 HEADPHONE OUTPUT
POWER 3.5MM SE
TUBE/SOLID STATE 16Ω: 1200mw
32Ω: 700mw
150Ω: 160mw
300Ω: 80mw
High/Low Gain
POWER 4.4MM BAL
TUBE/SOLID STATE 16Ω: 4100mw
32Ω: 2600mw
150Ω: 640mw
300Ω: 320mw
High/Low Gain
FREQUENCY RESPONSE Tube/Solid state: 15Hz-60kHz (+0.5dB)
High/Low Gain
SINGLE-ENDED/BALANCED CONVERSION
THD+N
SOLID STATE SE>SE: 0.0046%
BAL>SE: 0.008%
SE>BAL: 0.005%
BAL>BAL: 0.003%
@1kHz, 1Vrms, A-Weighted
VACCUM TUBE SE>SE: 0.0300%
BAL>SE: 0.030%
SE>BAL: 0.050%
BAL>BAL: 0.030%
@1kHz, 1Vrms, A-Weighted
DYNAMIC RANGE
SOLID STATE SE>SE: 120dB
BAL>SE: 114dB
SE>BAL: 114dB
BAL>BAL: 123dB
@20Hz~20kHz,High Gain, A-Weighted
VACCUM TUBE SE>SE: 112dB
BAL>SE: 111dB
SE>BAL: 111dB
BAL>BAL: 114dB
@20Hz~20kHz,High Gain, A-Weighted
SOLID STATE SE>SE: 122dB
BAL>SE: 119dB
SE>BAL: 119dB
BAL>BAL: 125dB
@20Hz~20kHz,Low Gain, A-Weighted
VACCUM TUBE SE>SE: 118dB
BAL>SE: 117dB
SE>BAL: 117dB
BAL>BAL: 110dB
@20Hz~20kHz,Low Gain, A-Weighted
SNR
SOLID STATE SE>SE: 120dB
BAL>SE: 114dB
SE>BAL: 114dB
BAL>BAL: 123dB
@20Hz~20kHz,High Gain, A-Weighted
VACCUM TUBE SE>SE: 112dB
BAL>SE: 111dB
SE>BAL: 111dB
BAL>BAL: 114dB
@20Hz~20kHz,High Gain, A-Weighted
SOLID STATE SE>SE: 122dB
BAL>SE: 119dB
SE>BAL: 119dB
BAL>BAL: 125dB
@20Hz~20kHz,Low Gain, A-Weighted
VACCUM TUBE SE>SE: 118dB
BAL>SE: 117dB
SE>BAL: 117dB
BAL>BAL: 110dB
@20Hz~20kHz,Low Gain, A-Weighted
CHANNEL SEPERTAION
SOLID STATE SE>SE: 75dB
BAL>SE: 75dB
SE>BAL: 97dB
BAL>BAL: 114dB
@1kHz, A-Weighted
VACCUM TUBE SE>SE: 75dB
BAL>SE: 75dB
SE>BAL: 90dB
BAL>BAL: 110dB
@1kHz, A-Weighted
INPUT SENSITIVITY
LINE IN SE>SE: 1.5V
BAL>SE: 3.0V
SE>BAL: 1.5V
BAL>BAL: 3.0V
High gain
LINE IN SE>SE: 3.0V
BAL>SE: 6.0V
SE>BAL: 3.0V
BAL>BAL: 6.0V
Low gain
PRE IN SE>SE: 2.1V
BAL>SE: 4.2V
SE>BAL: 2.1V
BAL>BAL: 4.2V
High gain
PRE IN SE>SE: 4.2V
BAL>SE: 8.4V
SE>BAL: 4.2V
BAL>BAL: 8.4V
Low gain
OUTPUT IMPEDANCE Tube/Solid state: <50m0
High/Low Gain
IN THE BOX
BOX CONTENTS 1. Cayin C9 Portable Headphone Amplifier
2. C9 Battery Module (Mounted on the device)
3. Rear panel glass protector
4. Single-Ended Portable Interconnect CS-35C35 (3.5mm to 3.5mm)
5. Balanced Portable Interconnect CS-44C44 (4.4mm to 4.4mm with GND)
6. USB Type-C Charging Cable
7. Backup Screws for Battery module
8. T6 Screw Driver
9. User Manual
Headphone-Zone-Cayin-C9
Headphone-Zone-Cayin-C9

FAQS

Warranty & MEDIA REVIEWS

1 Year Warranty

Don't sweat it, this Cayin C9 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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