Cayin RU3 Purple Hi-Fi DAC & ADC Interface

Discover ultimate portable Hi-Fi performance with the Cayin RU3 – a revolutionary USB DAC/AMP built around the flagship ESS ES9069Q HyperStream IV Dual DAC for breathtakingly pure, natural and detailed sound.

Featuring true Quad Balanced Drive architecture with dual TI OPA1602 + dual SGM8262 op-amps, dual power modes (HYP/STD) and class-leading 560 mW + 560 mW balanced output, RU3 effortlessly drives any IEM or portable headphone while staying cool, quiet and perfectly controlled.

• DAC Chip: ESS ES9069Q HyperStream IV Dual DAC
• Amplification: Quad Balanced Drive (2× TI OPA1602 + 2× SGM8262)
• Balanced Output: 560 mW + 560 mW @ 32 Ω (HYP mode)
• Unbalanced Output: 180 mW + 180 mW @ 32 Ω (HYP mode)
• Native Support: PCM 32-bit/768 kHz, DSD512
• Power Modes: HYP (max power) / STD (high efficiency)
• Control App: 10-band PEQ, 100-step volume, gain selection
• Compatibility: Android, iOS, Windows, macOS – fully plug & play