Cayin
N8ii DAP Music Player
$2,799.00 USDFeatures
Balanced Dual Timbre Nutube x2
Amplification Modes Class A/AB
Higher Output Power ALT Sound Signature
Fully BAL Discrete Headphone Amp
DSD512 32Bit/768kHz
Streaming Ready cm. Android 9
DTA (SRC by-pass) Always Hi-Res
Hi-Res Wireless DAC (LDAC, AAC, UTA) HiByLink Remote
4-CH JRC Electronic Volume
Phone and Line Out 3.5mm / 4.4mm BAL
3 Digital Interface I 2 S, USB, Coaxial
128GB Internal TF x1 + OTG
Dual Femtosecond Oscillators
2x2 IV Circuit
What's in the Box?
Warranty
The N8ii DAP is a premium portable music listening experience. Expertly crafted, conveniently compatible, and packed with every flagship-level feature you ever wanted, the N8ii redefines what your music can sound like.
HIGHLIGHTS
- Dual ROHM DAC BD34301x2
- Balanced Dual Timbre Nutube x2
- Amplification Modes Class A/AB
- Higher Output Power ALT Sound Signature
- Fully BAL Discrete Headphone Amp
- DSD512 32Bit/768kHz
- Streaming Ready cm. Android 9
- DTA (SRC by-pass) Always Hi-Res
- Hi-Res Wireless DAC (LDAC, AAC, UTA) HiByLink Remote
- 4-CH JRC Electronic Volume
- Phone and Line Out 3.5mm / 4.4mm BAL
- 3 Digital Interface I 2 S, USB, Coaxial
- 128GB Internal TF x1 + OTG
- Dual Femtosecond Oscillators
- 2x2 IV Circuit
DUAL FLAGSHIP DAC CHIPSET
The N8ii is equipped with dual ROHM BD34301EKV DAC chipsets. This is the first time the chipset has been implemented in a portable music player and each chip operates in mono mode, maximizing its performance. Two low-pass anti-aliasing filters (PCM mode) and three DSD filters are available to fine tune the sound signature to your preference. The digital audio circuit around the BD34301EKV also features:
- 2 Femtosecond crystal oscillators with extremely low phase noise (-100dB) to ensure high precision low jitter digital playback.
- 2x2 Current to Voltage i-V Converter Network as low noise, high-current output stage of the ROHM DACs.
- 6-Layer PCB enhances signal isolation for lower background noise and limits interference to critical components like oscillators.
DUAL VACUUM TUBE
Available for Single-ended and Balanced Phone Out with fully balanced vacuum tube timbre circuit through x2 KORG Nutube 6P1 Double Triode. Both Nutubes are rigorously tested and matched before installation. They deliver smooth musical performance through the 3.5mm single-ended or 4.4mm balanced headphone output. The Zero Gain Negative Feedback Loop circuit delivers strong current and impressive handling at difficult loads. The transparency, transients, and extension rivals the best solid state circuits on the market but remains warm and smooth.
INNOVATIVE SUSPENSION INSTALLATION
Exclusively designed system to minimize mechanical shock and vibration to eliminate microphonic effect of the Nutubes.
- CNC Aluminum Chassis creates an isolated, fully damped chamber for Nutube installation.
- Flexible Printed Circuit minimizes shock transmission to and from the main PCB.
- Shock-absorption Silicon Housing is used to hold and shield the Nutubes.
- Suspension Pin mounts the Nutube and Silicon Housing into the designated chamber securely.
DUAL OUTPUT MODE
Offering P (Standard) & P+ (High Output) which regulates the operational voltage of the headphone amplification circuit to offer two distinctive outputs. P+ will increase output and handling power with a more saturated sound signature.
- Single-ended Phone out: 720mW (16Ω)
- Balanced Phone out: 1200mW (16Ω)
DUAL AMP OPERATION MODE
The Dual Amplifier Operation Mode allows you to switch between Class A and Class AB modes instantly through the pull down menu. Choose the sound signature that fits your personal preference of sound, music genres, and/or pairing with different IEM/headphones.
- Class A Mode features low distortion and an optimum playback condition. Silky smooth, warm and lush. Best fit for sentimental music with lots of detail and macro dynamics.
- Class AB Mode features higher efficiency and dynamics. Clean, tight, extended, and authoritative slam. Best fit for music with a high dynamic range.
FULLY DISCRETE HEADPHONE AMP LIFIER
- Uncompromised Design which features 4-channels of discrete circuitry with low-noise audio grade JFET (Junction gate Field-Effect Transistor) and BJT (Bipolar Junction Transistor). Discrete design allows more room to fine tune the sound signature and deliver superior performance over op-amp based designs.
- Uncompromised Implementation maintains all channels at almost identical gain for Class A amplification. Cayin matched critical components and installed them to the PCB manually before reflow soldering.
DUAL LINE OUT
- Both 3.5mm single-ended and 4.4mm balanced line out bypasses the headphone amplification circuit completely.
- With that, N8ii can serve as a high-quality analog source for active speakers and portable/desktop amplifiers.
- Desktop grade implementation that fits for amplifiers with high input impedance.
- Maximum compatibility with configurable output levels:
- 3.5mm: 2.0V (High), 1.5V (Mid), 1.0V (Low)
- 4.4mm: 4.0V (High), 3.0V (Mid), 2.0V (Low)
EXTREME I/O COMPATIBILITY
Comprehensive choice of inputs and outputs :
- Phone Output:
- 3.5mm Single-ended
- 4.4mm Balanced
- Unamplified Line Output:
- 3.5mm Single-ended (dedicated)
- 4.4mm Balanced (shared with phone, switch in pull down menu)
- Digital Interface:
- USB Audio Transport (USB-C, Output)
- I2S (Mini HDMI, Output)
- USB Audio DAC (USB-C, Input)
- S/PDIF Coaxial (Embedded USB-C, Output)
- Bluetooth v5.0
- Codecs supported: LDAC, AAC, UAT, UAT TWS, SBC (supports both transmit and receive applications)
OPTIMUM THERMAL STRUCTURE
The N8ii music player features a specially designed thermal structure which allows the device to stay within appropriate temperatures even during long-term usage. The nickel silver plate and graphite sheet attached to the core components transfers heat to the CNC-machined internal aluminum frame which works as a heat sink to direct the heat to all the edges of the chassis simultaneously. The structure maximizes the thermal efficiency and ensures that the device maintains peak performance.
BEAUTIFULLY CRAFTED AND INTUITIVE TO USE
Bigger Screen, Easier to Manipulate
5” 1280x720 AMOLED screen, a perfect balance for user experience and power saving. Multi-touch for simple and direct operation. Double tap to wake.
Sensational to Touch, Familiar to Operate
Precisely CNC machined aerospace aluminum alloy in finest sandblast finishing. Physical payback control buttons as alternative to touch screen operation. Carefully placed for single-handed operation, circular textured to enhance touch/press experience.
Multi-color Smart Glowing Home Button
Sampling rate indicator during playback, doubled as Home/Back button during routine file/menu operations.
- [RED] Blinking – Charging
- [YELLOW] 44.1kHz / 48kHz
- [GREEN] 88.2kHz / 96kHz
- [BLUE] 176.4kHz / 192kHz
- [PURPLE] 352.8kHz / 384kHz
- [TEAL] 705.6kHz / 768kHz
- [WHITE] DSD64 / DSD128 / DSD256 / DSD512
YOUR EVERYDAY DIGITAL MUSIC PLAYER
- A Stable and High-Performance System features a 64-bit Qualcomm Snapdragon 660, 6G DDR4 RAM, and a high performance FPGA for proprietary coding. Customized Android 9.0, Google Play is pre-installed, and you are free to install any music player for streaming apps. DTA (Direct Transport Audio) enables all installed applications to bypass SRC during local playback.
- Massive Storage for Huge Music Libraries with 128 Internal Memory. Expandable local storage, supports one TF card up to 1TB. Direct playback from USB OTG Storage is supported.
- Discover Music with Online Streaming . The N8ii comes equipped with 2.4GHz/5GHz Dual band WiFi. The WiFi connection is automatically enhanced by using the aluminum frame as a wireless antenna. Also supports online OTA firmware update.
Browse and Playback Remotely by connecting to your mobile phone via HiByLink. Control the volume and playback remotely. Manage music files, search and create playlist from the HiByMusic App.
PROFESSIONAL POWER MANAGEMENT SYSTEM
- Long Playback Duration Despite High Power Output with an enormous 3.8V 10000mAh Lithium battery with a carefully tuned power management system. Continuous playback up to 11 hours with 3.5mm and 10 hours with 4.4mm.
- Qualcomm QuickChange 3.0 charges from 20% to 80% in around 2 hours. Charges from 0 to full power in around 4.5 hours.
- Other Power Management Features include a charging limit (customizable between 50-100%), Idle Shutdown (customizable between 1-60 minutes when enabled), and enabling or disabling charging when functioning as USB DAC.
WHAT’S IN THE BOX?
- N8ii DAP
- N8ii Leather Case
- 4.4mm to 2.5mm (F) Adapter
- 3.5mm to 2.5mm (F) Adapter
- USB-C Cable
- Temper Glass Screen Protector
- User Manual
- Hi-Res Sticker x2
Specifications
Product Information
| MCU | Snapdragon 660 |
|---|---|
| System | Customized Android 9.0 |
| Memory | 6GB LPDDR4X |
| Storage | 128GB eMMC, TF (upto 1TB) |
| Google Play | Preinstalled |
| Display | 5" (1280 x 720) OLED multi-point touch screen |
| Physical Control | Volume knob, Power On/Off Playback control buttons |
| USB | Type C: USB3.0, OTG, QC3.0, Digital Audio |
| Chassis | Sandblasted CNC Aluminum |
| Dimension | 147 X 77.5 X 25mm |
| Net Weight | ~442g |
| Vacuum Tube | KORG Nutube 6P1 x2 |
| DAC | ROHM BD34301 x2 |
| Volume Control | JRC NJW1195A (4 Channels) |
| Bluetooth | BTv5.0 with multiple codecs LDAC, UAT, AAC, SBC |
| Wi-Fi | 2.4G/5G IEEE 802.11 a/b/g/n/ac |
| Phone Out | 3.5mm (Single-Ended) 4.4mm (Balanced) |
| Line Out | 3.5mm (Single-Ended) 4.4mm (Balanced) |
| Digital Interface | I2s, SPDIF Coaxial (embedded) USB Audio (in and out) |
| Bundled Player | Cayin Music; HiBy Music HiByLink support |
| Lossless | DTA bypass Android SRC |
| Battery | 3.8V 10000mAh (38Wh) |
3.5mm Headphone Outputlm
Power Rating
Solid State
| 16Ω | 32Ω | 64Ω | 150Ω | |
| P | 420mW | 240mW | 140mW | 64mW |
| P+* | 720mW | 480mW | 240mW | 100mW |
| Freq. Response | 20Hz-20kHz (+0.2dB, Fs=192kHz) |
|---|---|
| THD+N | 0.003% (1kHz, 1Vrms, |
| Dynamic range | 121dB (20Hz-20kHz, A-Weighted) |
| SNR | 121dB (20Hz-20kHz, A-Weighted) |
| Channel separation | 78dB (1kHz,Fs=44.1kHz) |
| Output impedance | 0.6Ω |
Vacuum Tube
| 16Ω | 32Ω | 64Ω | 150Ω | |
| P | 420mW | 240mW | 140mW | 64mW |
| P+* | 720mW | 480mW | 240mW | 100mW |
| Freq. Response | 20Hz-20kHz (+0.2dB, Fs=192kHz) |
|---|---|
| THD+N | 0.1% Fs=192kHz;20Hz-20kHz, A-Weighted) |
| Dynamic range | 112dB (20Hz-20kHz, A-Weighted) |
| SNR | 112dB (20Hz-20kHz, A-Weighted) |
| Channel separation | 78dB (1kHz, Fs=44.1kHz) |
| Output impedance | 0.6Ω |
4.4mm Headphone Output
Solid State
| 16Ω | 32Ω | 64Ω | 150Ω | |
| P | 760mW | 480mW | 300mW | 150mW |
| P+* | 1200mW | 750mW | 375mW | 160mW |
| Freq. Response | 20Hz-20kHz (+0.2dB, Fs=192kHz) |
|---|---|
| THD+N | 0.001% (1kHz, 1Vrms, |
| Dynamic range | 125dB (20Hz-20kHz, A-Weighted) |
| SNR | 125dB (20Hz-20kHz, A-Weighted) |
| Channel separation | 110dB (1kHz, |
| Output impedance | 1.2Ω |
Vacuum Tube
| 16Ω | 32Ω | 64Ω | 150Ω | |
| P | 760mW | 480mW | 300mW | 150mW |
| P+* | 1200mW* | 750mW* | 375mW* | 160mW* |
| Freq. Response | 20Hz-20kHz (+0.2dB, Fs=192kHz) |
|---|---|
| THD+N | 0.05% Fs=192kHz;20Hz-20kHz, A-Weighted) |
| Dynamic range | 120dB (20Hz-20kHz, A-Weighted) |
| SNR | 120dB (20Hz-20kHz, A-Weighted) |
| Channel separation | Fs=44.1kHz) |
| Output impedance | 1.2Ω |
Line Out
| 3.5mm | 4.4mm | |
| Output Level | 2.0V(@10kQ, LO Level = High) 1.5V(@10kQ, LO Level = Mid) 1.0V(@10kS2, LO Level = Low) | 4.0V(@47kQ, LO Level = High) 3.0V(@47kQ, LO Level = Mid) 2.0V(@47kQ, LO Level = Low) |
| Freq. Response | 20Hz-20kHz(+0.2dB,Fs=192kHz | 20Hz-20kHz(+0.2dB,Fs=192kHz) |
| THD+N | 0.001% 1kHz,Fs=44.1kHz;20Hz-20kHz,A-Weighted) | 0.001% (1kHz,Fs=44.1kHz;20Hz-20kHz,A-Weighted) |
| Dynamic Range | 121dB (20Hz-20kHz,A-Weighted) | 125dB (20Hz-20kHz,A-Weighted) |
| SNR | 123dB (20Hz-20kHz,A-Weighted) | 127dB (20Hz-20kHz,A-Weighted) |
| Channel Separation | 100dB (1kHz,Fs=44.1kHz) | 107dB (1kHz,Fs=44.1kHz) |
Digital Interface
| l2S | Connector: Mini HDMI (Transmits l'S signal via HDMI connector, not compatible with standard HDMI devices) |
|---|---|
| PCM up to 32Bit/768kHz; DSD up to DSD512 | |
| S/PDIF | Connector: USB-C(750) |
| Coaxial | PCM up to 24Bit/192kHz; DSD up to Dop64 |
| USB Audio Out | Connector: USB-C |
| PCM up to 24Bit/768kHz*; DSD up to DSD512 (Native) or DoP256 | |
| Connector: USB-C, Asynchronous USB Audio Class 2.0 | |
| USB Audio DAC | Systems: Windows(drivers required), MacOS, Android(partial), iOS |
| PCM up to 32Bit/768kHz*; DSD up to DSD512 (Native) or DoP256 | |
| v5.0 | |
| Bluetooth | Transmit and Receive Codec: UAT(up to 192kHz), LDAC(up to 96kHz), AAC and SBC (up to 48kHz) |
# PCM not support 64kHz sampling
Battery and Duration
Battery Duration
Vacuum Tube
| Testing Condition* | 3.5mm SE | 4.4mm BAL |
|---|---|---|
| P | ~10Hr | ~9Hr |
| P+ | ~9Hr | ~8Hr |
| Class A | 4.4m (BAL) Vacuum Tube in P mode: ~8 Hr |
Solid State
| 3.5mm SE | 4.4mm BAL | |
| P | ~11Hr | ~10Hr |
| P+ | ~10Hr | ~9Hr |
| Class A | 4.4m (BAL) Vacuum Tube in P mode: ~8 Hr |
Charging Time
| Charger | Standard Charger | Quick Charger QC3.0 |
|---|---|---|
| Charging Time | ~7H | ~4.5 Hr; 20%-80% ~2 Hr |
* Screen off, all wireless disabled, 32Ω, mid gain, Class AB, volume 30, playback multi-format music files