HiBy R6 Pro II Class A Digital Audio Player

$1,249.00

SKU: N/A Category:

Description

AK4191+ dual AK4499EX

The R6 Pro II is a striking new audio player from HiBy which incorporates AKM’s new flagship DAC duo, the AK4191EQ+dual AK4499EX. This DAC duo is set up in current output mode with complete separation of digital conversion and analog rendering for maximum quality.


All-In Audio Architecture

All-In Audio Architecture equips the 8 DAC output rails of the AK4499EX each with their own I/V conversion, fully unleashing their potential.

The dual AK4499EX are each set to dual mono output, and all rails of both DACs contribute fully to both balanced and single-ended operation.

Such strategic enhancements to the AK4499EX’s operation in conjunction with ultra-hard output stage circuit design powers yield sound quality worthy of a new flagship.


4-section independent power supply design

The R6 Pro II’s power supply section is designed by an engineer with over 30 years’ experience in power supply circuit design. Based on numerous sets of high flux, ultra-low internal resistance, fully shielded high power inductors, power supplies are indepdendent for digital, decoding, preamp and output stages – ensuring pure, uninterrupted power without interference.


Class A/AB dual amplification circuits, freely switchable

With dual independent amplification circuit design, you can freely switch between Class A and Class AB amplification on the fly via touchscreen controls.

The Class A amplifier driven by the 2 high perofrmance OPA1652 and 8 NXP bipolar transistors for zero crossover distortion and fast transient response.

Class A amplification unlocks stronger drive control at the same time as enhancing power and density of the sound, handling full-size headphones and complex loads such as multi-hybrid IEMs with aplomb.

Class AB amplification mode yields longer play time, lower heat emissions, and is perfectly sufficient for most IEMs on the market.


NDK femtosecond precision crystal oscillators

Two 45.1584MHz and 49.152MHz femtosecond precision crystal oscillators ensure low jitter and phase accuracy for all sample rates.

You will feel the clarity and 3-dimensionality of every note even in highly dynamic, busy passages.


Faithful reproduction

With vanishingly low distortion and colouration, every note is resolved accurately and dynamics are rendered in full.

Whether it’s piano notes that resonate in the heart as well as the room, violin notes that are crisp and clear, the breath of the player clearly heard through a flute, or any other instruments, you will never miss a single detail on the R6 Pro II.


Industry-leading DSD1024 and PCM 1536kHz / 32bits native decoding

DSD1024 is one of the highest-spec formats currently on the market at the moment, encoding audio signals at many-fold higher bitrate than CD quality, and at a tremendous sample rate. The highly resolving bit depth and high sample rate of PCM1536kHz / 32bit also ensures more faithful capture than CD quality in all dimensions. In either case the result is more realistic and natural sounds.


Striking Industrial Design

With bold asymmetric lines and a striking backplate with carbon accents, the R6 Pro II is stunningly designed as well as easy to grip.


Stunning 5.9” large hi-res display

The Hiby R6 Pro II features a 5.9″ Corning Gorilla glass display, with a 2160×1080 resolution (16×9) and oleophobic-coating.


HiByOS HiByOS based on Android 12

HiByOS offers fine volume control, minimal system sound effects, systemwide bitperfect audio even for third-party apps, and all manner of other audio-related system optimizations compared with regular Android 12 and even any other flavour of customization found on the market.

Meanwhile it offers the same UI experience as mainstream smartphones and multi-task switching smoothness on a level with flagship smartphones thanks to kernel level optimizations!


Multi-Purpose Audio Inputs / Outputs

The R6 Pro II supports line out, coaxial digital output, USB audio out, Bluetooth audio output etc., allowing you to easily integrate the R6 pro II into your home audio system.

The player also supports USB DAC functionality, for use as computer external sound card or digital amplifier for smartphones, etc.

Two-way Bluetooth enables the R6 Pro II to transmit Bluetooth audio to speakers and headphones, as well as receive bluetooth audio from smartphones and PC etc.

 

  • All new exterior design
  • Dual AK4499EX+AK4191
  • Class A/AB dual amplification circuits, freely switchable DSD1024 PCM1536
  • MQA 16x unfolding
  • Femtosecond precision crystal oscillators
  • Qualcomm Snapdragon 665
  • Open Android 12
  • Systemwide bitperfect architecture
  • Systemwide HiByCast remote control
  • All independent 3.5mm and 4.4mm headphone and line out sockets
  • USB DAC / coaxial digital / line out fully supported
  • Two-way Bluetooth
  • 5.9” 1080p large display size
  • 5000mAh large battery capacity

 

Audio Specifications

Line Out

Output Power 3.5mm LO 4.4mm LO
Voltage Swing 2Vrms 4Vrms
Minimum THD 0.0005% 0.0005%
Noise Floor 2.0uV 3.1uV
SNR 120dB 122dB
Crosstalk Rejection 110dBr 110dBr
Frequency Response 20Hz-90kHz 20Hz-90kHz

 

Phone Out @ 32 Ohms (High Gain)

3.5PO(AB)

3.5PO(A)

4.4PO(AB)

4.4PO(A)

Voltage swing

2Vrms

2Vrms

3.5Vrms

3.5Vrms

Maximum power

125mW

125mW

383mW

383mW

Maximum THD <1%

0.1%

0.1%

0.2%

0.2%

Minimum THD

0.0015%

0.0009%

0.0015%

0.0009%

Noise floor

2.7uV

2.7uV

3.7uV

3.7uV

SNR

117dB

117dB

119dB

119dB

DNR

118dB

118dB

119dB

119dB

Crosstalk rejection

70dBr

70dBr

98dBr

98dBr

Frequency response

20Hz-90KHz

20Hz-90KHz

20Hz-90KHz

20Hz-90KHz

 

General Specifications

Main Features
Model HiBy R6 Pro II (Gen 2)
Operating System Android 12
SoC Snapdragon 665 (8-core 1.8Ghz Kyro 260)
DAC

AK4191EQ+dual AK4499EX (in OCTA-DAC output architecture for all outputs)

Audio Formats

DSD1024 & PCM1536 kHz/32bit / MQA16X

Output ports (Analog)

3.5mm PO, 4.4mm BAL, 3.5mm LO, 4.4mm BAL.LO (all physically independent)

Output ports (Digital)

Type-C USB and coaxial digital

Wireless Functions

WiFi frequencies

2.4GHz and 5GHz supported

Bluetooth

Two-way Bluetooth 5.0

Hi-Res Bluetooth codecs

UAT, LDAC, aptX, aptX HD, AAC, SBC

WiFi Audio

Airplay, DLNA, HiByLink

Display Specifications

 

Display Size

5.9”

Display Type

IPS

Resolution

1080×2160

Storage Configuration

 

RAM

4GB(LPDDR4x-1866)

Internal storage

64GB

USB Port

USB2.0 and 3.1 compatible, up to 10Gbps bandwidth

Micro SD
Micro SD card slot

Supports up to 2TB

External features

 

Colour choices

Black, purple

Chassis material

Aluminium chassis with toughened glass backplate

Dimensions

147.45*75.2*15mm

Weight

285g

Power specifications

 

Charging

9V⎓ 2A or 5V⎓ 0.5A

Battery Capcity

5000mAh/3.8V

Play time

Class AB: 8h (3.5mm PO), 7h (4.4mm BAL)

Class A: 6h (3.5mm PO), 5h (4.4mm BAL)

Charging Standard

PD 2.0 18W

Charging Time

<2h (0%-100%)

Misc

 

Firmware Upgrades

OTA online updates

Font size

Adjustable

3rd party apps

Freely Installable

Additional information

Colours

Black, Purple

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