Cayin RU6 R-2R USB DAC / Headphone Amp

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Stock code: CAYIN-RU6


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    Product Information

    Cayin RU6 R-2R USB DAC/Headphone Amp Dongle

    Full Review : here

    • 24-Bit Discrete R-2R Resistor Ladder DAC
    • User Selectable NOS/OS Digital to Analog Modes
    • High Precision Resistor Array Volume Control
    • Dual Main Boards Layout
    • DSD256 and PCM 384kHz

    What's in the box :

    • Cayin RU6 R-2R USB DAC / Headphone Amplifier
    • USB C to USB C Cable (Shielded)
    • USB A to USB C Adapter

    Features

    Discrete 24-Bit R-2R Ladder Resistor Network Explained
    The basic idea of R-2R ladder is a matched pair of two resistors, the first is "R" and the other is "2R" which has twice the value of R.

    To achieve 24bit R-2R decoding, Cayin need 48 pieces of resistors (23xR and 25x2R) for one channel, or 96 pieces of high precision resistors for stereo.

    R-2R is famous for its natural and realistic sound signature, it'll offer a very different experience to music lovers.

    To achieve 24-bit R-2R decoding, Cayin searches for the resistors that can deliver extreme precision and remain stable during temperature changes.

    Ultra Precision Low TCR Thin Film Resistor
    0.1%
    1/1000
    Ultra High Precision

    TCR25
    25ppm/C Low Temperature
    Coefficient of Resistance

    NOS or OS Dual DA Mode
    Non-Oversampling:

    • Maintain the original sampling rate of the source bitstream.
    • Digital filter-less, no post-processing, optimised in time domain, low phase distortion and jitter, no ringing artifact. * Musical with vivid emotions, sounds natural, organic and coherent.

    Oversampling:

    • Increases sampling rate (upsampling) through interpolation before DA.
    • Enhances resolution, reduces noise and improves anti-aliasing, optimised in frequency domain.
    • Impressive details and frequency extension, clean and sharp presentation with darker background.

    Discrete Volume Control
    R-2R DAC circuit is very demanding on incoming data integrity, digital volume of mobile phone will damage sound quality badly.

    When off-the-shelf volume options cannot meet high precision, low noise, low power consumption requirements of RU6, Cayin developed their own discrete resistor array volume control.

    0-99 steps volume control through 9 segments of resistors and switching relays*, meet all the RU6 requirements and transparent to maintain the natural sound signature of R-2R DAC.

    Intuitive and Versatile
    Hardware volume buttons for convenient control, doubled as menu selection when enter Mode settings.
    1" OLED screen displays playback information with good visibility.
    3.5mm and 4.4mm phone out to fit your earphone collection.

    Ultimate Dual Main Boards Layout
    To minimise interference, RU6 circuitry is split into TWO 6-layers PCB, with digital and analog circuit installed in separate boards.

    Safeguard signal integrity, make sure the noise from reference clock and DSP will not bleed into amplification circuit.

    Low Power Consumption Highly Compatible
    Discrete R-2R is a low-power DAC circuit when compare to other highly integrated DAC chipset. minimised power drain from mobile source.

    USB Audio with shielded interconnect USB-C interconnect, compatible with wide range of mobile, consumer electronics and computers.

    RU6 is compatible with the following digital audio sources:

    • iOS and iPadOS
    • macOS computers
    • Windows 7/8/8.1/10 computers
    • Android mobiles and tablets
    • Digital Audio Players

    High Resolution and High Fidelity
    High-end digital audio compatibility.

    • PCM: supports up to 384kHZ
    • DSD: supports DSD64/128/256

    Choice of High/Low gain to enhance performance with different IEM or portable friendly headphones.

    Not the Smallest
    Net weight around 28g only, it is small enough to slip into your smallest pocket.

    Supreme and Multifunctional
    Music, video, gaming... you name it, Cayin do it.

    Technical Specifications

    DAC 24bit Discrete R-2R                 Headphone 3.5mm + 4.4mm Balanced
    USB Type C USB Audio Input Display 0.96" 128x64 OLED
    Digital
    Decoding
    PCM: 44.1kHz~384kHz
    DSD: DSD64/128/256
    Accessories USB C-C Cable (Shielded)
    USB A-C Adapter
    Control Volume +/-, Mode Dimension 65mm x 25.4mm x 13.7mm
    Chassis CNC Aluminium Net Weight ~28g

    3.5mm Headphone Output Specs

    Power Rating 138mW@32ohms
    Freq. Response 20Hz-20kHz (+-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 0.5ohm

    4.4mm Headphone Output Specs

    Power Rating 213mW@32ohms
    Freq. Response 20Hz-20kHz (+-0.5dB)
    THD+N 0.04% (1kHz, Output: 1V)
    Dynamic Range 110dB (20Hz-20kHz, A-Weighted)
    SNR 114dB (20Hz-20kHz, A-Weighted)
    Output Impedance 1ohm

    Manufacturer Site

    Accessories

    USB-C > Lightning Cable

    Leather Case

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    All pre-owned items are in stock and available for next day delivery if order placed before 1pm.

    Enquiries will be responded to within 1 hour during office hours.

     

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