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

The Cayin C9 is a cutting-edge portable headphone amplifier that combines traditional and modern audio technology to deliver an exceptional listening experience. This fully balanced, fully discrete, 4-channel high-fidelity amplifier offers an impressive power output of up to 4,100mW per channel at 16Ω or 2,600mW per channel at 32Ω. Users can select between Vacuum Tube and Solid State timbre on both balanced and single-end inputs, with the tube timbre circuit featuring a pair of KORG Nutube vacuum tubes. This flexibility allows audiophiles to tailor their listening experience to their preferences, whether they desire the warmth of tube amplification or the precision of solid-state circuitry.

Further enhancing its versatility, the Cayin C9 allows users to switch between Pure Class A and Class AB amplification modes, catering to different audio performance needs. It supports dual input modes: regular LINE input mode and PRE-amp input mode, also known as pure power amplifier mode. With both 3.5mm SE and 4.4mm BAL inputs and outputs, the amplifier optimizes performance regardless of the connection type. The device also features a 4-channel ALPS potentiometer with stereo electronic volume control and a removable battery module housing four user-replaceable Sony 18650 rechargeable lithium batteries, ensuring prolonged use and easy maintenance. This blend of advanced technology and user-centric design makes the Cayin C9 a premier choice for discerning audiophiles.