FIIO K11 R2R FIO-K11R-S [Ships from an authorized Japanese retailer, includes serial number] Desktop Headphone Amplifier with Built-in USB DAC

A uniquely developed discrete 24-bit R2R DAC circuit delivers captivating sound characteristics. A resistor ladder electronic potentiometer allows for precise volume adjustment. Equipped with two sampling modes: NOS/OS. Three gain stages and three independent volume curves improve the listening experience and enable compatibility with a variety of headphones. Precise circuitry and an external custom 12V switching power supply ensure power purity and high output. Low-noise electrolytic capacitors deliver high-quality HiFi sound. 1300mW driving power - reproduces sound details more precisely. A durable LCD display allows you to check a variety of information at a glance. Ambient lighting combines design and convenience.