Dual CS4308P Flagship DACs

The industry’s first portable HiFi player featuring Cirrus Logic’s flagship CS4308P DAC – now in an advanced dual-chip configuration (twin CS4308P DACs working in parallel). This groundbreaking architecture delivers exceptional audio resolution and unparalleled driving power.

The CS4308P is Cirrus Logic’s latest flagship 8-channel high-performance DAC, engineered for audiophile and professional audio systems. Featuring a 32-bit oversampling architecture, it achieves a 123dB dynamic range with THD+N below –115dB, delivering crystalline purity of sound, crafting an immersive listening experience with exceptional density and layering.

Class A/AB Dual Independent Headphone Amplifier Circuits

• 2 OPA1652 Op-Amps
• 16 Custom-designed Transistors

Featuring independent Class A and Class AB headphone amplifier circuits, freely switchable via one-touch system control for optimized listening scenarios.
The widely acclaimed Class A amplification eliminates crossover distortion and delivers ultra-fast transient response.
Turn on Class A amplification to unlock stronger drive control and enhance power and density of the sound, handling full-size headphones and complex loads such as multi-hybrid IEMs.
Class AB amplification mode yields longer play time, lower heat emissions, and is sufficient for most IEMs, achieving a balance of sound quality and usability.

Dramatically Increased Power Output

The new R6 Pro II delivers a significant power leap—measured at 632mW via 4.4mm balanced output—effortlessly driving multi-driver, high-impedance headphones.
This formidable power output elevates transient speed and performance, making music sound richer and more detailed, delivering thunderous impact with refined control.

Audio Excellence – Easy on the Ears

Specially optimized for mid-low frequencies, delivering improved listening comfort.
With natural, well-balanced tuning—rich in detail yet never harsh—it achieves smooth and transparent audio performance.
Vocals and instruments carry a warm, velvety texture, ensuring fatigue-free immersion perfect for extended listening sessions.

Qualcomm Snapdragon 665

Printed on a flagship-class 11nm process, this SoC yields higher computational and graphics abilities.
Combined with HiBy’s software and hardware integration, it ensures fluidity and responsiveness for music apps and more.

6GB + 128GB Storage Configuration

• 6GB RAM enables seamless app switching and stable background operation.
• 128GB internal storage holds your full music collection and media files, delivering premium audiovisual experiences on the go.

HiByOS Based on Android 12

HiByOS, optimized for professional music reproduction, bypasses SRC system-wide (including for third-party music players).
Also supports general smartphone-level operations and smooth multitasking in vision and sound.

4-section Independent Power Supply Design

Based on over 30 years’ experience, the power supply section uses high-flux, ultra-low resistance components.
Fully shielded inductors ensure uninterrupted power for digital, decoding, preamp, and output stages without interference.

NDK Femtosecond Precision Crystal Oscillators

• 45.1584MHz and 49.152MHz femtosecond precision oscillators.
• Ultra-low noise and jitter provide exquisite analog details, clarity, and 3D sound.

Native DSD512 and PCM 768kHz/32bit Decoding

DSD512 encodes audio at many-fold higher bitrate than CD, ensuring high fidelity.
PCM 768kHz/32bit delivers more faithful capture and natural sound.

Abstract Artistic Back Panel

The back panel design is a futuristic work of art of aluminium waves splashing against a golden shore below a starry carbon sky. Come to the island we call our own and be taken to music utopia.

Elegant Hyperbolic Design

Introducing bold asymmetrical lines for the chassis, two split curves define the visually interesting slanted surfaces which are also grip-friendly.

5.9" Huge Display Beyond Full HD

Corning Gorilla Glass delivers scratch-resistant durability with crystal-clear transparency, paired with a 2160x1080 Full HD display for stunningly vivid visuals. Whether browsing, streaming HD videos, or gaming, every scene comes to life with rich layers and true-to-life colors—elevating your viewing experience with premium visual quality.

HiByCast System-wide Remote Control

Control all aspects of the device remotely via WiFi on any supported smartphone or tablet. Supports operation of HiByMusic app as well as third party apps.
*Pre-installation of the HiByCast app from e.g. Play Store or App Store required

MQA 16x Unfolding

Supporting 16X full unfolding of MQA audio, not only increasing audio resolution but also restoring the original width and depth of sounds, immersing users in the audio venue. Jazz, pop, and classical alike become clearer, and more realistic, letting you re-acquaint yourself with your favorite standards in a new light.
*MQA (Mastering Quality Authenticated) is an award-winning technology owned by MQA Ltd., designed to pass the original master audio quality to the listener...

Audio output

With true line out, coaxial digital output, Bluetooth output etc. multiple output options available, the R6Pro II easily blends into a home HiFi system. Coupled with system-wide HiByCast remote control, it becomes a whole new class of digital transport.

Audio input

Supports USB DAC function for use as USB audio dongle for smartphones and computers. Two-way Bluetooth audio enables use as Bluetooth receiver with high quality amplified outputs.