Cayin - RU6 (Unboxed)
Portable R-2R DAC & AmpGET 18% GST INPUT
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Chi-Fi
Excellence
Ideal for Audiophiles
These DAC & Amps are designed for discerning music lovers. If audio quality is important to you, a set of DAC & Amps like these would be ideal.
You can expect these DAC & Amps to present you with a refined listening experience. The audio quality exhibited by these DAC & Amps is a beautiful mix of musicality, technical brilliance and high precision.
These DAC & Amps deliver a spacious & open soundstage that makes you feel you are sitting at a live concert. Experience the magic and delve into pure sonic tranquility!
Best Suited for Portable Use
For those who value them, being able to carry their favourite DAC & Amp equipment when they are on the move is invaluable.
These DAC & Amps offer the ultimate portability experience without sacrificing sound quality. If you’re someone who appreciates cutting-edge engineering, quality sound and portability, then look no further.
Designed to be trusty companions, these DAC & Amps are cleverly engineered with the latest technology to offer the ultimate combination of portability & Hi-Fidelity!
4.4mm
Balanced Output
Metal
Build
DAC Chip
You may not even realise it, but most of us use a digital-to-analogue converter (commonly known as a DAC) daily. Built into your computers, tablets and smartphones, a DAC is fundamental to unlocking the convenience of digital music. Any device that acts as a digital sound source will need a DAC to convert digital audio to analog. A DAC converts the digital information stored in “0s and 1s” into an analog signal that's passed to speakers or headphones and ultimately our ear. In short, DACs play a large part in making digital music hearable.
While this technical process is undoubtedly impressive, the DAC embedded into your smartphones or laptops is nowhere good enough to listen to your favourite music recordings in high quality. So, if you want to listen to music in high quality, an external DAC is essential to allow headphones or speakers to perform at their potential. An external DAC, first and foremost, will improve audio quality dramatically.
Pair with Laptop via USB
A majority of people use a laptop as the primary source device to listen to music or watch movies. Since the laptop is an essential part of the audio chain there are headphones and devices designed to work a laptop or computer system flawlessly. With the availability of USB connectivity, it becomes easier to pair various devices like an Amp, DAC or even headphones without worrying about drivers or any additional piece of software.
Connect With
USB-C
Upto 213mW @ 32Ω
Power Output
Volume Controls
If your DAC & Amps include volume controls or volume rockers, you can easily change the volume with a button press or volume knob turn.
DAC & Amps that have volume controls make its operation incredibly simple; turn up the volume on your smartphone or your source devices and then change the volume on DAC & Amps to the desired level.
This design feature allows you to have complete control over the desired volume according to your listening preferences.
Super Lightweight
Design
An R2R DAC is pretty much the buzzword of the year. Everyone wants one, but most are incredibly expensive and need a big fat setup. The Cayin RU6 is set to change that. Pocket-sized, on-the-go, R2R goodness for everyone.
About RAGHAV SOMANI
Raghav Somani is the Founder & CEO of Headphone Zone. An avid audiophile and musician since 2008, his choice of headphones include STAX Electrostats, Audeze LCD 3, and for music on the go, the JH Audio Roxanne + Astell&Kern SP1000 is never too far away. On his playlist, you'll find A.R. Rahman, Michael Jackson, and the Eagles.
UNBOXED
Headphone Zone Certified Unboxed Units
Unboxed units are as good as new products with the product's packaging being unavailable. These products give you the same satisfaction of new products - but at down-to-earth prices. Usually, the product's packaging may have gotten damaged in transit. Customers use a product once or twice and then return it with opened up packaging.
Customer Returns
Returned headphones are fully functional products that have left the warehouse and therefore can no longer be sold as new as their packaging has been opened. The product may have been used once or twice by the customer who returned it.
Transit Damages
Sometimes we receive headphones in damaged packaging due to shipping accidents. These are brand new headphones with cosmetic flaws on the packaging.
Save Upto 15%
Since you won't get the original packaging, we give you a good discount compared to a new headphone.
Professionally Inspected
A thorough inspection means you receive a 100% working headphone with no sound output issues.
Original Warranty
All unboxed headphones carry the same warranty period as a brand new headphone would.
Unbiased Customer Service
We have the same Headphone Zone customer support experience for Unboxed Products or new products.
Unchanged Replacement Policy
Received a defective Unboxed unit? Return it under our Replacement Policy.
All Original Accessories
The unboxed headphones itself comes with all original accessories.
DESCRIPTION
INNOVATIVE 24BIT DISCREET R-2R RESISTOR LADDER DAC CIRCUIT
The Cayin RU6 features a self-developed 24bit discrete R-2R resistor ladder circuit that can decode up to 384kHz PCM audio. The basic idea of the R-2R ladder is a matched pair of resistors, the first is “R” and the other is “2R'' which has twice the value of R. To achieve 24-bit decoding, RU6 equips 48 units of resistors (23 x R and 25 x 2R), and that’s for one channel. So for a stereo 24 Bit R-2R decoder, RU6 features 96 units of resistors for life-like audio reproduction. With the advent of the R-2R circuit, Cayin RU6 establishes itself as the master of the fully-discrete resistor DAC topology in portable audio.
OFFERING OVERSAMPLING AND NON-OVERSAMPLING DA MODES
Cayin offers both Oversampling and Non-oversampling DA modes in RU6. For Oversampling mode, the Digital Audio Bridge will upsample the digital audio data to 384kHz through digital filters. This will enhance the resolution, reduce noise and improve the anti-aliasing of the digital signal. The Oversampling DA mode will offer a noticeable improvement in details and frequency extension. The playback is clean and sharp with a darker background. On the other hand, NOS DA mode maintains the sampling rate of the original bit-stream and playback will become very musical with a natural and organic presentation.
EQUIPPED WITH FULLY ANALOGUE RESISTOR ARRAY VOLUME CONTROL
The majority of USB DAC/Amps rely on your phone's volume control to regulate the headphone output volume. Technically this was not a viable solution to Cayin RU6. Cayin created a fully analogue resistor array volume control circuit in response to this problem, offering 99 steps of volume adjustment via nine segments of resistors and switching relays. Resistor Array volume control features a very high-quality volume control design, extremely transparent when implemented correctly. This design is incorporated in a lot of high-end preamps and integrated amplifiers.
FEATURES DUAL CIRCUIT BOARD LAYOUT FOR DSD AND PCM PLAYBACK
To minimise audio signal interference, Cayin has split the RU6's circuit into two 6-layers PCB, with digital and analogue circuits installed on separate boards. This safeguards the audio signal integrity and ensures the noise from the reference clock and DSP does not bleed into the amplification circuit. This architecture in turn delivers artefact-free audio every single time. This circuit design combined with the R-2R architecture enables the RU6 to support hi-resolution PCM and DSD audio formats with support for 384kHZ PCM and DSD 64/128/256 natively.
INTUITIVE AND VERSATILE OPERATION WITH LOW POWER CONSUMPTION
Discrete R-2R circuitry is a low-power DAC circuit when compared to other highly integrated DAC chipsets. Because of this architecture, you can listen to music without worrying about your phone's battery draining out. USB-C connection offers compatibility with a wide range of phones, consumer electronics and computers. The hardware is intuitively designed, with the volume controls serving as menu selectors and the OLED screen displaying playback information. The Cayin RU6 also offers two gain settings to enhance performance with various IEMs and headphones. All this is wrapped in a 28g package.
SPECS
| DAC | 24bit Discrete R-2R |
| HEADPHONE | 3.5mm + 4.4mm Balanced |
| USB | Type C USB Audio Input |
| DISPLAY | 0.96 inch 128x64 OLED |
| DIGITAL DECODING | PCM: 44.1kHz ~ 384kHz DSD: DSD64/128/256 |
| CONTROL | Volume +/-, Mode |
| MICROPHONE PASS-THROUGH | Not supported |
| DIMENSION | 65mm x 25.4mm x 13.7mm |
| CHASSIS | CNC Aluminum |
| NET WEIGHT | ~28g |
| POWER RATING | 138mW @ 32Ω |
| FREQUENCY RESPONSE | 20Hz-20kHz (å±0.5dB) |
| THD+N | 0.032% (1kHz, Output: 0.5V) |
| DYNAMIC RANGE | 109dB (20Hz-20kHz, A-Weighted) |
| SNR | 113dB (20HZ-20kHz, A-Weighted) |
| OUTPUT IMPEDANCE | 0.5Ω |
| POWER RATING | 213mW @ 32Ω |
| FREQUENCY RESPONSE | 20Hz-20kHz (å±0.5dB) |
| THD+N | 0.04% (1kHz, Output: 1V) |
| DYNAMIC RANGE | 110dB (20Hz-20kHz, A-Weighted) |
| SNR | 114dB (20HZ-20kHz, A-Weighted) |
| OUTPUT IMPEDANCE | 1.0Ω |
| WHAT YOU WILL GET | 1. Cayin RU6 |
| 2. USB C to C cable (shielded) | |
| 3. USB A to C adapter | |
| WHAT YOU WILL NOT GET | 1. Original packaging of Cayin RU6 |
OTHER DETAILS
| GENERIC NAME | Headphone Amplifier |
| COUNTRY OF ORIGIN | China |
| IMPORTER DETAILS | Importers Name: Ferrari Video Address: 63/18, 1st Main Road, Gandhi Nagar, Chennai - 600020 Contact No: 044-24420733 |
| NET QUANTITY | 1 |
FAQs
What is the warranty period on the Cayin RU6?
The warranty period of the Cayin RU6 is of 1 year. In order to claim warranty, please visit our Cayin Warranty Page here. We are very helpful guys, just saying
Where is the Cayin brand based?
Zhuhai Spark Electronic Equipment Co., Ltd. was founded in 1993. The company is committed to creating the best audio gear and distributing Hi-Fi products under the Cayin brand. It is based in China.
How is the overall build quality of the Cayin RU6?
The Cayin RU6 comes with a sleek and robust design making it an ideal pick for portable use.
Which DAC Chip does the Cayin RU6 come with?
The Cayin RU6 is loaded with R-2R Resistor Ladder DAC chip that offers a best in class audiophile-grade sound quality.
Do I need to charge the Cayin RU6?
No, you don’t need to charge the Cayin RU6 just plug and play.
Can I use the Cayin RU6 with my tab?
Yes! You can easily connect the Cayin RU6 to your tab with USB C connection.
Does the Cayin RU6 come with a mic?
No, the Cayin RU6 does not come with a microphone.
Will it support earphones/headphones with microphone?
It will use your phone's microphone rather than your earphones/headphones' microphone. The other person over the call might feel that the voice is coming from a distance. OTG cable.
Does Cayin RU6 consume battery power from the source to which it is connected?
No, It does not consume a lot of battery of the devices to which it is connected due to its discrete R-2R circuitry is a low-power DAC circuit when compared to other highly integrated DAC chipsets. Because of this architecture, you can listen to music without worrying about your phone's battery draining out.
What are the sampling rates supported by Cayin RU6?
The Cayin RU6 with its R-2R architecture enables it to support Hi-Res PCM and DSD audio formats with support for 384kHZ PCM and DSD 64/128/256 natively.
What is the output power like on Cayin RU6?
The Cayin RU6 has 138mW @ 32Ω (Single-Ended) and 213mW @ 32Ω (Balanced).
What are the inputs and outputs like on Cayin RU6?
The Cayin RU6 has Type-C USB Audio Input and 3.5mm (Single-Ended) and 4.4mm (Balanced) outputs.
Headphone Zone Certified Unboxed Units
Unboxed units are as good as new products with the product's packaging being unavailable. These products give you the same satisfaction of new products - but at down-to-earth prices. Usually, the product's packaging may have gotten damaged in transit. Customers use a product once or twice and then return it with opened up packaging.
Customer Returns
Returned headphones are fully functional products that have left the warehouse and therefore can no longer be sold as new as their packaging has been opened. The product may have been used once or twice by the customer who returned it.
Transit Damages
Sometimes we receive headphones in damaged packaging due to shipping accidents. These are brand new headphones with cosmetic flaws on the packaging.
Save Upto 15%
Since you won't get the original packaging, we give you a good discount compared to a new headphone.
Professionally Inspected
A thorough inspection means you receive a 100% working headphone with no sound output issues.
Original Warranty
All unboxed headphones carry the same warranty period as a brand new headphone would.
Unbiased Customer Service
We have the same Headphone Zone customer support experience for Unboxed Products or new products.
Unchanged Replacement Policy
Received a defective Unboxed unit? Return it under our Replacement Policy.
All Original Accessories
The unboxed headphones itself comes with all original accessories.
INNOVATIVE 24BIT DISCREET R-2R RESISTOR LADDER DAC CIRCUIT
The Cayin RU6 features a self-developed 24bit discrete R-2R resistor ladder circuit that can decode up to 384kHz PCM audio. The basic idea of the R-2R ladder is a matched pair of resistors, the first is “R” and the other is “2R'' which has twice the value of R. To achieve 24-bit decoding, RU6 equips 48 units of resistors (23 x R and 25 x 2R), and that’s for one channel. So for a stereo 24 Bit R-2R decoder, RU6 features 96 units of resistors for life-like audio reproduction. With the advent of the R-2R circuit, Cayin RU6 establishes itself as the master of the fully-discrete resistor DAC topology in portable audio.
OFFERING OVERSAMPLING AND NON-OVERSAMPLING DA MODES
Cayin offers both Oversampling and Non-oversampling DA modes in RU6. For Oversampling mode, the Digital Audio Bridge will upsample the digital audio data to 384kHz through digital filters. This will enhance the resolution, reduce noise and improve the anti-aliasing of the digital signal. The Oversampling DA mode will offer a noticeable improvement in details and frequency extension. The playback is clean and sharp with a darker background. On the other hand, NOS DA mode maintains the sampling rate of the original bit-stream and playback will become very musical with a natural and organic presentation.
EQUIPPED WITH FULLY ANALOGUE RESISTOR ARRAY VOLUME CONTROL
The majority of USB DAC/Amps rely on your phone's volume control to regulate the headphone output volume. Technically this was not a viable solution to Cayin RU6. Cayin created a fully analogue resistor array volume control circuit in response to this problem, offering 99 steps of volume adjustment via nine segments of resistors and switching relays. Resistor Array volume control features a very high-quality volume control design, extremely transparent when implemented correctly. This design is incorporated in a lot of high-end preamps and integrated amplifiers.
FEATURES DUAL CIRCUIT BOARD LAYOUT FOR DSD AND PCM PLAYBACK
To minimise audio signal interference, Cayin has split the RU6's circuit into two 6-layers PCB, with digital and analogue circuits installed on separate boards. This safeguards the audio signal integrity and ensures the noise from the reference clock and DSP does not bleed into the amplification circuit. This architecture in turn delivers artefact-free audio every single time. This circuit design combined with the R-2R architecture enables the RU6 to support hi-resolution PCM and DSD audio formats with support for 384kHZ PCM and DSD 64/128/256 natively.
INTUITIVE AND VERSATILE OPERATION WITH LOW POWER CONSUMPTION
Discrete R-2R circuitry is a low-power DAC circuit when compared to other highly integrated DAC chipsets. Because of this architecture, you can listen to music without worrying about your phone's battery draining out. USB-C connection offers compatibility with a wide range of phones, consumer electronics and computers. The hardware is intuitively designed, with the volume controls serving as menu selectors and the OLED screen displaying playback information. The Cayin RU6 also offers two gain settings to enhance performance with various IEMs and headphones. All this is wrapped in a 28g package.
| DAC | 24bit Discrete R-2R |
| HEADPHONE | 3.5mm + 4.4mm Balanced |
| USB | Type C USB Audio Input |
| DISPLAY | 0.96 inch 128x64 OLED |
| DIGITAL DECODING | PCM: 44.1kHz ~ 384kHz DSD: DSD64/128/256 |
| CONTROL | Volume +/-, Mode |
| MICROPHONE PASS-THROUGH | Not supported |
| DIMENSION | 65mm x 25.4mm x 13.7mm |
| CHASSIS | CNC Aluminum |
| NET WEIGHT | ~28g |
| POWER RATING | 138mW @ 32Ω |
| FREQUENCY RESPONSE | 20Hz-20kHz (å±0.5dB) |
| THD+N | 0.032% (1kHz, Output: 0.5V) |
| DYNAMIC RANGE | 109dB (20Hz-20kHz, A-Weighted) |
| SNR | 113dB (20HZ-20kHz, A-Weighted) |
| OUTPUT IMPEDANCE | 0.5Ω |
| POWER RATING | 213mW @ 32Ω |
| FREQUENCY RESPONSE | 20Hz-20kHz (å±0.5dB) |
| THD+N | 0.04% (1kHz, Output: 1V) |
| DYNAMIC RANGE | 110dB (20Hz-20kHz, A-Weighted) |
| SNR | 114dB (20HZ-20kHz, A-Weighted) |
| OUTPUT IMPEDANCE | 1.0Ω |
| WHAT YOU WILL GET | 1. Cayin RU6 |
| 2. USB C to C cable (shielded) | |
| 3. USB A to C adapter | |
| WHAT YOU WILL NOT GET | 1. Original packaging of Cayin RU6 |
OTHER DETAILS
| GENERIC NAME | Headphone Amplifier |
| COUNTRY OF ORIGIN | China |
| IMPORTER DETAILS | Importers Name: Ferrari Video Address: 63/18, 1st Main Road, Gandhi Nagar, Chennai - 600020 Contact No: 044-24420733 |
| NET QUANTITY | 1 |
What is the warranty period on the Cayin RU6?
The warranty period of the Cayin RU6 is of 1 year. In order to claim warranty, please visit our Cayin Warranty Page here. We are very helpful guys, just saying
Where is the Cayin brand based?
Zhuhai Spark Electronic Equipment Co., Ltd. was founded in 1993. The company is committed to creating the best audio gear and distributing Hi-Fi products under the Cayin brand. It is based in China.
How is the overall build quality of the Cayin RU6?
The Cayin RU6 comes with a sleek and robust design making it an ideal pick for portable use.
Which DAC Chip does the Cayin RU6 come with?
The Cayin RU6 is loaded with R-2R Resistor Ladder DAC chip that offers a best in class audiophile-grade sound quality.
Do I need to charge the Cayin RU6?
No, you don’t need to charge the Cayin RU6 just plug and play.
Can I use the Cayin RU6 with my tab?
Yes! You can easily connect the Cayin RU6 to your tab with USB C connection.
Does the Cayin RU6 come with a mic?
No, the Cayin RU6 does not come with a microphone.
Will it support earphones/headphones with microphone?
It will use your phone's microphone rather than your earphones/headphones' microphone. The other person over the call might feel that the voice is coming from a distance. OTG cable.
Does Cayin RU6 consume battery power from the source to which it is connected?
No, It does not consume a lot of battery of the devices to which it is connected due to its discrete R-2R circuitry is a low-power DAC circuit when compared to other highly integrated DAC chipsets. Because of this architecture, you can listen to music without worrying about your phone's battery draining out.
What are the sampling rates supported by Cayin RU6?
The Cayin RU6 with its R-2R architecture enables it to support Hi-Res PCM and DSD audio formats with support for 384kHZ PCM and DSD 64/128/256 natively.
What is the output power like on Cayin RU6?
The Cayin RU6 has 138mW @ 32Ω (Single-Ended) and 213mW @ 32Ω (Balanced).
What are the inputs and outputs like on Cayin RU6?
The Cayin RU6 has Type-C USB Audio Input and 3.5mm (Single-Ended) and 4.4mm (Balanced) outputs.
Don't sweat it, this
Cayin - RU6 (Unboxed) 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.
"At the RU6's business end sit two headphone outputs: a 3.5mm single-ended socket and balanced 4.4mm Pentaconn socket. Switchable high/low gain assists with headphone/earphone matching."
Read More
"The Cayin RU6 offers a different “analog” approach in the world of highly integrated delta-sigma chipset packages& DSP filters. Preserves a tube-like musical quality but with much finer volume control."
Read More
"If you are in the market for a very high-end Dongle DAC that delivers a lot more than most — the Cayin RU6 is the one you want. It offers all the features most need, great sound, and good power."
Read More
"RU-6 is the 2021 dongle for me, a dongle that will make premium brands sweat. RU-6 value is its naturalism of replay and presenting the flavor of R2R w/o dropping technicalities."
Read MoreThis product is rated 4.0 of 5.0 stars.
It has received 1 review.
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