Step into the future of portable Hi-Fi with the groundbreaking Cayin RU7 – the world’s first 1-Bit discrete DSD USB DAC/AMP that delivers pure, breathtakingly musical performance through revolutionary “All-to-DSD” technology.

128 precision resistors form a fully balanced 1-bit conversion core, paired with 400 mW of clean balanced power, effortless drive and an ultra-low-noise dual-PCB layout – turning every phone or computer into a true high-end source.

• Core Technology: Fully discrete 1-Bit DSD conversion (128 high-precision resistors)
• All-to-DSD: All incoming PCM converted to DSD before final output
• Balanced Output (4.4 mm): 400 mW @ 32 Ω
• Single-Ended Output (3.5 mm): 160 mW @ 32 Ω
• Native Support: PCM up to 384 kHz, DSD64–DSD256
• Architecture: Dual-layer PCB – complete digital/analog separation for vanishingly low noise
• Volume Control: 100-step hardware relay matrix – perfect channel matching
• Compatibility: Android, iOS (OTG), Windows 7–11, macOS – fully plug & play
• Design: Ultra-compact CNC aluminium body with refined chamfers and horizontal button layout