Cayin C9: Dual Nutube, Fully discrete Fully Balanced Class A/AB Portable Headphone Amplifier (Like New)
This portable headphone amplifier offers dual input modes and four channels, supporting both balanced and single-ended connections. It uses Nutube vacuum tubes and can switch between Class A and Class AB amplification modes.
- The amplifier supports 3.5mm SE and 4.4mm BAL for both input and output.
- It can switch between Pure Class A and Class AB amplification modes.
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