R4 vs SMSL DS20
The DS20's signal-to-noise is 126 dB against the R4's 123 dB and its output voltage 3.0V RMS against 4.1V RMS. Both share bit depth (32-bit) and max sample rate (768 kHz).
AI-generated product photo — not official manufacturer imagery.
DigitalDigital Audio PlayersDACsHeadphone Amplifiers
Estimated price (community-sourced)
$249
Around — community and catalog average, updates slowly
About the R4
The HiBy R4 is a budget-friendly, cyberpunk-inspired digital audio player (DAP) designed for high-fidelity audio playback. It utilizes four ES9018C2M DAC chips in a dual PCM/DSD pathway configuration for native support of PCM up to 32bit/768kHz and DSD256, delivering exceptional resolution and dynamic range. Powered by a Snapdragon 665 SoC with 3GB RAM and 32GB ROM, it runs open Android 12 for seamless app compatibility including streaming services. Class A amplification provides robust power output suitable for IEMs and headphones, with dual independent crystal oscillators minimizing jitter. It offers 3.5mm single-ended and 4.4mm balanced outputs, Bluetooth 5.0 (LDAC, aptX HD, etc.), WiFi, and up to 11 hours battery life from its 4500mAh battery. Available in multiple colors with a unique industrial design.
Specifications
Digital Audio
DAC capabilities and digital audio processing
- Bit Depth
- 32-bit
- Max Sample Rate
- 768 kHz
- DSD Support
- DSD256
- MQA Support
- Yes
- DAC Chip
- ES9018C2M
Analog Output
Analog signal output specifications
- SNR
- 123 dB
- Output Voltage
- 4.1V RMS
Connectivity
Input and output connections
- Bluetooth
- Yes
- Bluetooth Codecs
- LDAC, aptX HD, aptX, AAC, SBC, UAT
- Wi-Fi
- Yes
- Ethernet
- No
- Digital Inputs
- USB-C
- Analog Outputs
- 3.5mm SE, 4.4mm balanced
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 129.6 × 68.3 × 18.5 mm (W × H × D)
- Weight
- 0.231 kg (1 lbs)
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions