Cayin C9 Portable Headphone Amplifier

Now In (05.05.22)

Features

• Choice of Vacuum Tubes and Solid State Timbre:

  Integrated with a vacuum tube amp. circuit with dual Nutube 6P1 micro-triodes tubes. Vacuum Tube and Solid State timbres are supported in all input and output modes

• DAO: Dual Amplification Mode:

  Enable instantly switching between Class A and Class AB mode;

• Fully Balanced Amp. Circuit with Nutube 6P1 x 2:

  Fully balanced vacuum tube amplification with dual Nutube 6P1 in both Class A and Class AB

• Complete Discrete Components 4-channel Amplification Circuit

• LINE-IN and PRE-IN Input Modes:

  At PRE-IN mode, C9 becomes a portable power amplifier without volume control. It is compatible with audio equipment which has PRE output function; (Cayin N6ii with A02 audio motherboard has both Line Output and Pre Output modes.)

• Volume Control using "ALPS potentiometer + precision electronic volume IC" Circuit Architecture:

  Maximized consistency of volume across four channels with an enjoyable control experience;

• Supports 4.4mm Balanced and 3.5mm Single-ended LINE/PRE Input;

• Supports 4.4mm Balanced and 3.5mm Single-ended Headphone Output

• Audio Signal Auto-Configuration:

  According to the connections to the device, the system configures audio signal and transmit for BAL to BAL, Single-ended to Single-ended, BAL to Single-ended, Single-ended to BAL

• Replaceable Power Supply Module with Sony 18650 Batteries x 4:

  The power supply module uses four Sony 18650 low internal resistance, high current power lithium batteries with perfect current equalisation and protection circuitry to ensure reliability of battery life. The power module supports both conventional and mainstream fast charging protocols, has 4 LEDs indicating power and charging status.

• Dimensions: 160mmx80mmx28mm / 550g

Accessories

• CS-35C35 3.5mm Audio Cable x 1

• CS-44C44 4.4mm Audio Cable x 1

• USB-A to USB-C Charge Cable x 1

• Screw Driver x 1

• Backup Screws x 4.