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HiBy RS8: Flagship R2R Hi-Res DAP with Titanium Unibody Chassis
Pure sound. Ultimate craftsmanship. No compromises.
The HiBy RS8 represents the ultimate achievement in portable digital audio. Designed for discerning audiophiles, it pairs a CNC-machined titanium unibody with the next-generation Darwin II R2R DAC architecture, pure Class A amplification, and a fully open Android 12 ecosystem—redefining what a reference-level DAP can be.
Titanium Chassis: Premium Build Meets Audiophile Engineering
The RS8 boasts a monoblock titanium chassis, crafted through a 17-step CNC process that delivers unmatched durability, luxurious finish, and thermal efficiency. Its finely tuned volume wheel offers precise tactile control, complementing its stunning design and robust structure.
Darwin II Architecture: Evolution of R2R DAC
HiBy’s proprietary Darwin II R2R DAC architecture brings unprecedented detail, depth, and flexibility with:
1024-tap adjustable FIR filter.
Non-linear harmonic control.
Switchable NOS/OS modes.
Native DSD bypass with discrete filtering.
184 ultra-precision resistors + 12 ultra-fast switches.
DC compensation circuitry for improved impulse response.
It supports playback up to PCM 1536kHz/32-bit and DSD1024, exceeding the capabilities of many desktop DACs.
Pure Class A Amplification + Turbo Mode
To fully exploit its R2R DAC, the RS8 features a true Class A discrete amplifier with:
2 × OPA1652 op-amps
8 × NXP power transistors
Zero crossover distortion
Lightning-fast transient response
Superior control over both IEMs and high-impedance headphones
Turbo Mode increases amplifier voltage from ±6V to ±7.5V, delivering 56% more output power with improved dynamics and headroom.
Independent Power Supply & Massive Battery
Equipped with a 12,000 mAh battery, the RS8 delivers:
Up to 12 hours playback (3.5 mm SE)
Up to 8 hours playback (4.4 mm balanced)
Its pure copper battery casing enhances heat dissipation for safe and stable performance.
Internally, each section—digital, DAC, preamp, output—has a dedicated isolated power supply, including DC-DC converters, LDO regulators, and high-flux inductors for pure, interference-free signal flow.
Android 12 + Snapdragon 665: Power Without Limits
The RS8 runs on an open Android 12 platform powered by a Snapdragon 665 processor, with:
8 GB RAM + 256 GB internal storage
microSD slot up to 2 TB
Seamless multitasking and third-party app support
Perfect integration with TIDAL, Qobuz, Apple Music, and more
Hi-Res Display and Connectivity
5.5" Full HD IPS Display (1920×1080, 443 ppi)
Gorilla Glass with oleophobic coating
3.5 mm SE and 4.4 mm balanced headphone + line outputs
Bluetooth 5.0 (UAT, LDAC, aptX HD, AAC, SBC)
Dual-band WiFi (2.4 / 5 GHz)
HiByCast remote control via Android/iOS devices
Direct Transport Architecture (DTA): Bit-perfect output via USB and third-party apps
MQA 16x unfolding
Included Accessories
Genuine leather protective case
USB-C to USB-C cable
USB-C to coaxial RCA cable
Pre-installed screen protector
Personalized message from HiBy's CEO
User manual + warranty card
The HiBy RS8 is the definitive R2R DAP for those who demand uncompromised musicality, exquisite craftsmanship, and true audiophile-grade engineering—encased in titanium and powered by innovation.
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