Cayin RU9 - Portable Nutube Headphone

Cayin RU9 - Portable Nutube Headphone is a canonical Amplifiers product in AudioList.

• Price: Price varies
• Retailer offers: 0
• Availability: Out of stock or unknown
• Measurement: No objective measurement linked yet
• Measurement sources: No measurement source link is available yet
• Last updated: 2026-08-12T18:20:15.009Z

Current retailer offers

No current retailer offers are available in the public read model.

Known Specs

Impedance

32 ohms

DAC chip

AK4493SEQ

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