FIIO K13 R2R FIO-K13R2R [Ships from an authorized Japanese retailer, includes serial number] Headphone Amplifier with Built-in USB DAC (Silver)

The K13 R2R is a desktop headphone amplifier/DAC, succeeding the popular K7 model. It features a proprietary, fully balanced, 24-bit R2R DAC circuit and NOS/OS dual-mode switching. Its powerful 2400mW output power easily drives even high-impedance headphones. LDAC-compatible Bluetooth connectivity and a DC/AC dual power supply ensure stable, high-quality music playback. It features a 10-band high-precision PEQ (parametric EQ) adjustment function, a fully balanced audio amplifier circuit, and XLR and RCA preamp outputs for compatibility with a variety of audio systems. This innovative desktop audio solution combines the natural, warm sound quality of the R2R architecture with the convenience of digital processing.

Proprietary, fully balanced, 24-bit R2R DAC circuit 2400mW of power to drive any headphone Fully balanced audio amplifier circuit for superior sound quality Selectable NOS/OS modes to suit your sound preferences 10-band high-precision PEQ for hassle-free operation