HiBy R6 Pro

Introduction

HiBy is a Chinese company that specializes in music software and digital audio players (DAPs). I would like to thank HiBy for the review unit of R6 Pro. The HiBy R6 Pro can be purchased from HiBy.

Specifications

General

• Operating System: Android8.1
• CPU Model: Snapdragon 425 SoC
• CPU Structure: Quad-Core A53
• CPU Frequency: 1.4GHz
• DAC: ES9028Q2M * 2
• Input Method: Touch
• I/V: Muses8920 * 4
• LPF&Amplifier: SSM6322 * 2
• Crystal: Low Phase Noise Crystal * 2
• Color Choices: Stainless Steel
• Size: 119.8*66.96*15.7mm
• Net Weight: About 285g
• Impedance Adapter: 8 ~ 150Ω
• EQ Adjustment: 10-band EQ adjustment (±12dB) with 10 preset EQs
• Left & Right Channel Balance: Left 10dB to right 10dB
• Gain Selection: DSD+6dB TGC, High and Low, 2-level
• USB DAC: PCM/ DoP/Native
• Tone Adjustment: Minimum Phase/Fast Rolloff/Slow Rolloff

Transmission

• WiFi: IEEE802.11 a/b/g/n
• Bluetooth: 4.2
• USB: 2.0

Display

• Display Size: 4.2 Inches
• Display Color: 16 million True color
• Display Type: IPS (Corning Gorilla Glass)
• Resolution: 768 * 1280
• Display Pixel Density PPI: 320
• Touch Screen: G+FF/5 

Storage

• RAM: 3GB
• ROM: 32GB
• Micro SD(TF Card): >512GB

Buttons & Interface

• Buttons: 6 Buttons
• Button Customization: Power / Previous/Pause/Next/Volume Up/Volume Down
• Player Output (PO): 3.5mm
• Balanced Output: 4.4mm
• Analog Audio Output Interface (LO): 3.5mm LO/COAX multiplexing
  
• Digital Audio Output Interface (Coaxial): 3.5mm LO/COAX multiplexing
  
• USB: USB data transfer, USB DAC IN/OUT, Charging

Power Specifications

• Power Source: USB DC5~9V
• Battery Capacity: 4000mAh (14.8Wh)
• Charging Display: Lightning icon
• Charging Time:
  70%≈60min (QC3.0 Quick Charge)
  100%≈150min (QC3.0 Quick Charge)
• Power Status Display: 0~100%

Single-ended Headphone Output (3.5mm)

• Output Power: 245mW+245mW(@32Ω)
• Noise Floor Level (Noise): 3.8uVrms
• Frequency Response (+/- 3dB): 20Hz-90KHz
• Signal to Noise Ratio (SNR): 118dB
• Channel Separation (Crosstalk): 68dB
• THD+noise: 0.0025%
• Closed-Loop Output Impedance: 0.24Ω

Balanced Headphone Output (4.4mm)

• Output Power: 750mW+750mW(@32Ω)
• Noise Floor Level (Noise): 5uVrms
• Frequency Response (+/- 3dB): 20Hz-90KHz
• Signal to Noise Ratio (SNR): 120dB
• Channel Separation (Crosstalk): 97dB
• THD+noise: 0.0012%
• Closed-Loop Output Impedance: 0.28Ω

Line Output

• Output Level: 2Vrms
• Noise Floor Level (Noise): 2.6uVrms
• Frequency Response (+/- 3dB): 20Hz-90KHz
• Signal to Noise Ratio (SNR): 122dB
• Channel Separation (Crosstalk): 109dB
• THD+noise: 0.0023%
• Closed-Loop Output Impedance: 10KΩ

Other

• Software Upgrade: Internal storage upgrade, micro SD card local upgrade, OTA online upgrade
• Font Size Setting: Support
• Third Party App: Unrestricted

Unboxing & Accessories

The HiBy R6 Pro comes in a black package with the brand logo printed on the front and the words “MAKE MUSIC MORE MUSICAL” are printed below it. After opening the package, there are HiBy R6 Pro, clear protective case, screen protectors, Hi-Res logo stickers, USB-Type C cable, coaxial cable, instruction manual, certification guide & eject pin.

Page 2: DAP Build & Design, Functionalities

Pages: 12345