Cayin C9ii TOTL Portable Headphone Amplifier

Now In (06.19.25)

Classic Reborn

Redefine Sonic Excellence

Features

• Gen5 Nutube Circuit: Classic / Modern / Solid-State Dual Tube + SS Timbre

• Fully Symmetric: Discrete and Balanced 3-Stage Headphone Amplifier

• Quick Release Battery Tray: +-8.4V Direct Battery Power w/o DC Up-Conversion

• Nutube Plate Voltage: High / Low (Timbre Circuit)

• Dual Amp Operation: Class A / Class AB (Head-Amp Circuit)

• Hyper Mode: Ultimate Performance (Head-Amp Circuit)

• Local or Large Loop NFB (Head-Amp Circuit)

• Dual Input Mode Line / Pre-Amp

• High Power Headphone Output 4100mW p.c. (16ohms)

• 131 Steps High Precision Dual MUSES72320V E-Controlled Volume

• Symmetric Differential Input/Output Stage LSK489/LSJ689 JFET

• Discrete Timbre Circuit Toshiba 2SK209 JFET 16x Tube, 4x SS

• Power Line Filter Decoupled Capacitor 4x WIMA

• Effective Heat Dispensation: Graphite Thermal Pad CNC Aluminum Heat Sink

• 3.5mm/4.4mm Input Output Bal<>SE Conversion

• Bundled 4.4+3.5mm Audio Interconnect 8-Core OCC

• Samsung 35E 3400mAh x4: Max duration ~17.5h / Supports QC3.0 + PD2.0

• Aluminum Alloy CNC Machined Chassis / 165×88.5×30mm / 650g

Includes:

• C9ii Dual Nutube Portable Headphone Amplifier

• C9ii Battery Module (mounted on the device)

• CS-35C35II Single-ended Interconnect Cable

• CS-44C44II Balanced Interconnect Cable

• Samsung INR18650-35E Batteries x4

• Hi-Res Stickers

• Type-C Cable

• User Manual