Advanced Hi-Res player.
Dual AK4499EX + AK4191 DACs for natural and detailed sound
Switchable Class A/AB, ideal for IEMs and demanding headphones
Decoding up to DSD1024 and PCM 1536 kHz / 32-bit
Open Android 12 + 5.9" FHD+ display
Full connectivity: Bluetooth LDAC, Wi-Fi, USB DAC, coaxial
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HiBy R6 Pro II: Flagship Hi-Res Digital Audio Player with AKM DACs and Android 12
The HiBy R6 Pro II is the pinnacle of innovation in portable Hi-Res audio. Designed for audiophiles seeking unmatched fidelity and flexibility, it features a flagship dual-DAC architecture with AK4191 + dual AK4499EX, fully balanced Class A/AB amplification, and an open Android 12 OS. Every component is tuned for pure, dynamic, and highly detailed sound.
Reference-Level DAC: Dual AK4499EX + AK4191
At the heart of the R6 Pro II lies AKM’s latest DAC configuration: one AK4191 digital processor feeding two AK4499EX DACs, set in a balanced mono output mode. This architecture separates digital conversion and analog rendering for ultra-low distortion and maximum resolution—supporting PCM 1536kHz / 32-bit and DSD1024 playback.
All-In Audio Architecture for Complete Channel Control
The R6 Pro II uses all 8 output channels of the DAC system, with each channel featuring its own I/V conversion stage. This fully symmetrical and balanced circuit design guarantees high transparency, rich textures, microdetail resolution, and a three-dimensional soundstage.
Four-Stage Independent Power Supply Design
The power delivery system is divided into four isolated stages: digital, DAC, preamp, and output, each with its own shielded coils. This ensures clean and stable power, free from interference, and contributes to ultra-low noise and high dynamic range.
Switchable Class A/AB Amplification
With a simple on-screen toggle, users can switch between Class A—ideal for driving power-hungry headphones with warmth and control—and Class AB, which is more efficient for portable use with IEMs. Enjoy tailored performance depending on your setup and environment.
High-End Performance Metrics
THD+N: 0.0006%
Noise Floor: < 2 μV
SNR: up to 120 dB
MQA: Full 16x decoding
Dual NDK femtosecond oscillators for ultra-low jitter
Full HD+ Display & Android 12 OS
Featuring a vibrant 5.9-inch Full HD+ display (2160×1080) with Gorilla Glass, the R6 Pro II offers an intuitive and immersive interface. Powered by HiByOS + Android 12, it provides full multitasking, app compatibility (TIDAL, Qobuz, Apple Music), and bit-perfect audio playback.
Comprehensive Connectivity
Bluetooth 5.0 (bidirectional): LDAC, aptX HD, UAT, AAC, SBC
Dual-band WiFi (2.4 / 5GHz)
USB DAC, coaxial digital out, line-out, Bluetooth receiver
HiByCast remote control from smartphone or tablet
Artistic Industrial Design
Crafted from precision-machined aluminum, the chassis features an asymmetrical design and an artistic backplate inspired by fluid motion and sonic depth. Not only elegant, it’s also ergonomic, offering a secure and comfortable grip.