Cayin RU3 Portable USB DAC Headphone Amplifier

Cayin RU3 Portable USB DAC Headphone Amplifier:

Engineered for precision and portability, the Cayin RU3 delivers high-resolution audio performance in a compact, pocket-sized design. Powered by the ESS ES9069Q high-performance DAC, it supports ultra-high-resolution decoding up to 768kHz/32-bit PCM and DSD512. Hyper Mode output provides dynamic power up to 560mW + 560mW at 32Ω, while a 0.96-inch IPS color display offers clear, intuitive access to key playback information.

Key Features:

• ESS ES9069Q high-performance DAC
• Hyper Mode output: up to 560mW + 560mW (32Ω)
• Supports PCM up to 768kHz/32-bit and DSD512
• Compact, portable USB DAC & headphone amplifier
• 0.96-inch IPS color display for real-time audio info

Additional Features:

• Cayin Control App:
  Seamless integration with the Cayin Control App provides intuitive access to audio settings, including a 10-band high-precision lossless EQ for detailed sound customization.
• 3.5mm & 4.4mm Phone/Line Outputs:
  Dual outputs with selectable high/low gain modes ensure optimal matching with a wide range of headphones and IEMs.
• Broad Platform Compatibility:
  Compatible with Android, iOS, Windows, and macOS systems, with flexible switching between UAC 1.0 and UAC 2.0 modes.
• Elegant, Portable Design:
  Features a CNC-milled unibody chassis crafted from aerospace-grade aluminum alloy. The anodized finish enhances durability while delivering a refined metallic texture.

Specifications:

• USB Audio Bridge: SPV5068 (RISC-V Dual-Core)
• DAC Chip: ESS ES9069Q
• Output: 3.5mm SE / 4.4mm BAL (PO/LO shared)
• Power Output
• 3.5mm: 180 mW + 180 mW (32ohms)
• 4.4mm: 560 mW + 560 mW (32 ohms)
• Supported Formats: PCM 32-bit/768kHz, Native DSD512
• SNR: 115dB (SE) / 117dB (BAL)
• THD+N: 0.0018% (SE) / 0.0015% (BAL)
• Frequency Response: 20Hz-50kHz (+- 0.2dB)
• Dimensions: 60mm x 25.4mm x 11mm
• Weight: 24g