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C N
Fully modularized the audio system in the DAP,
a complete replacement of both the DAC and analog circuits.
Increase PCB area by 31% to take
the audio motherboard performance to a new height.
Built-in dedicated microcontroller interact with the 665 MCU to
enable comprehensive audio adjustments and keep track of the
operation status of the Audio Motherboards independently.
The Gen2 Audio Mainboards features a completely reimagined
tool-free, quick-release self-locking latch.
Changing Audio Motherboard will be as simple a
Press > Pull > and Push > Click
Every Audio Motherboard is a fully optimized solution from the
ground up, with every swap becoming an entirely new auditory
experience, you will unlock limitless possibilities.
Parallel Full-Differential Matrix DAC
8x Cirrus Logic CS43198 32-Bit DAC
High-precision Cascade Volume Control
4x Nisshinbo NJU723x Audio Volume
Parallel Headphone Amplifier
4x Texas Instrument OPA1622 Audio Op-Amp
The CS43198 is a low-power, high-quality DAC widely used in
the high-end audio industry.
8xCS43198 chips, were used to construct a Parallel Full-
Differential Matrix DAC circuit in C201.
The FPGA in the N6iii main unit feeds each DAC with
I²S signals individually . All DACs work in MONO
mode. Four pieces of CS43198 are grouped into one
stereo channel, and their outputs are paralleled to
create a full-differential output channel.
The power supply and peripheral circuitry
for each DAC chip are fully discrete and
symmetric.
This unique design offers numerous
advantages :
· Higher Output Quality;
· Improved Signal Stability and
Reduced Distortion;
· Increased Power Handling and
Driving Capability;
· Enhanced Channel Separation and Stereo Imaging;
· Reduced Noise and Jitter through dedicated power supplies.
Using eight DAC chips in a parallel full-differential configuration
ensures highly stable DAC performance. It will significantly
improve sound density and overall audio performance.
We selected Nisshinbo PASSIVE volume chips (NJU72315) for
C201 in view of its compact, low power consumption and low
heat generation. It is also a very transparent volume controller.
4x NJU Volume chip were used, and they are connected into a
high-precision Cascade Volume Control system.
We configured two NJU volume chips in series to control one
channel. When the first stage volume chip adjusts the volume
partially (in 2db steps), the audio signal will then go through the
second volume controller for further adjustment.
To improve load capacity and reduce distortion,
a buffer circuit built with independent op-
amps follows each volume stage.
This volume control circuit ensures
consistent levels across the
full volume range, providing
crystal-clear audio with
greatly enhanced
transparency.
Texas Instruments OPA1622 low noise, low distortion dual
audio operational amplifier that deliver high output-drive
capability is selected for headphone amplification.
While fully differential amplification can be achieved with a pair
of dual Op-Amp, C201 double that into 4x OPA1622 and
configure them in parallel amplification.
Combined with the buffer circuits, this will increase the output
current capability and lower the output impedance.
Better control, information-rich, dense sound with an expansive
soundstage, and ability to sustain a heavier loading.
This circuit design pays homage to the headphone
amplification circuit of the classic N8 DAP.
Qualcomm Snapdragon 665 Octa-Core 64-bit Processor.
·Powered by Android 12 for broad compatibility
with mainstream streaming apps.
·With Android 12, enjoy peace of mind with no
compatibility issues from software updates
·Full support for DTA Android lossless output.
Equipped with 6GB of RAM, the N6iii ensures smooth
multitasking and responsive performance. It comes with 128GB
of internal storage and supports up to 2TB TF card expansion,
offering you endless enjoyment of storing massive music libraries.
The 5-inch Sharp TFT screen is seamlessly integrated into the
compact body of the N6iii, delivering vibrant and crystal-clear visuals.
The screen is protected by Corning Gorilla Glass 3, offering up
to four times the scratch resistance for enhanced durability.
The screen features a resolution of up to 1080x1920 pixels
(FHD+), supporting multi-touch, double-tap wake, and gesture
controls, making interaction smooth as convenient.
Featuring a customized looped antenna positioned in a
semi-exposed area beneath the top panel, the N6iii DAP
offers a notable wireless experience upgrade over the
previous N6ii without extending the device’s size.
Enjoy excellent streaming performance with minimal
interference to analog audio processing.
Unlock a world of Hi-Fi possibilities with support for
various digital output protocols, allowing for seamless
connection to a wide range of systems.
The N6iii features a powerful 9000mAh battery with
low-loss protection circuitry and PD2.0 fast charging.
Paired with the C201 audio motherboard,
it offers up to 14.2 hours* of battery life.
Compared to its predecessor, the N6iii expands the display
while slims the bezel, offering a wider 5-inch screen for
enhanced visuals and control.
Despite the upgrade, the device stays lightweight at just 350g*,
easy for one-handed use. Measuring 126 x 77.8 x 23mm,
it’s a top choice among portable DAPs.
Dimension
126*77.8*23mm
Crafted from 6063 aluminum alloy,
offering excellent corrosion resistance and
temperature stability.
The precise geometric lines and graceful
curves create a captivating aesthetic.
The volume knob and buttons are crafted from
brass with a genuine gold PVD finish, offering a
striking contrast against the deep black chassis,
exuding exceptional quality.
The volume knob’s composite light guide design
displays song formats and creates a personalized
lighting ambiance.
Custom Cayin Leather Case Included
·Made from premium textured PU leather.
·Handcrafted with meticulous stitching
for a perfect fit.
·Thoughtful metal heat dissipation
design on the back.
·Stylish and practical with a minimalist
aesthetic.
·N6iii Master Quality Digital
Audio Player
·User Manual
·USB-C Cable
Photo taken with C201 Audio Motherboard,
the DAP might look different when using
other Audio Motherboards.
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