Cayin C9

Cayin C9: Dual Nutube, Fully discrete Fully Balanced Class A/AB Portable Headphone Amplifier

• Fully balanced, fully discrete, 4-channels high-fidelity headphone amplifier delivers up to 4,100mW (at 16Ω) or 2600mW (at 32Ω) per channel.
  
• Select between Vacuum Tube and Solid State timber on both balanced and single-end inputs.
  
• The tube timber circuit is designed around a pair of KORG Nutube vacuum tubes.
  
• Switch between Pure Class A and Class AB amplification modes.
  
• Dual input mode: regular LINE input mode and PRE-amp input mode (or known as pure power amplifier mode).
  
• Supports 3.5mm SE and 4.4mm BAL for both input and output, the amplifier will also optimize BAL to SE or vice versa.
  
• 4-channels ALPS potentiometer with a pair of stereo electronic volume.
  
• Removable battery module with 4x user replaceable Sony18650 rechargeable lithium batteries.