HiBy - FC6 USB Headphone R2R DAC & Amp

HiBy FC6 features a custom R2R ladder array DAC design that takes advantage of 96 high-precision resistors arranged in an R-2R network. In addition, its undisclosed advanced technology for linearity compensation which delivers the unique audio experience that combines the characteristic warmth and richness of R2R DACs with the precise accuracy typically associated with modern DACs.

The FC6 offers users the flexibility to switch between NOS (Non-Over Sampling) and OS (Over Sampling) modes through a dedicated key. In NOS mode, the audio is presented in its unprocessed, raw form, delivering a distinct analog quality with enhanced clarity and authenticity. On the other hand, OS mode utilizes oversampling and ultrasonic low-pass filters to eliminate aliasing artifacts, resulting in a smoother sound. OS mode unlocks the full range of digital filters available on the FC6.

HiBy has implemented a discrete headphone amplification circuit in the FC6 to match the high standards of top-tier Digital Audio Players. The circuit features dual OPA1622 amp chips and a 4-way independent current-mode amplification design, ensuring exceptional audio quality for headphone users.

The HiBy FC6 provides extensive decoding support for all major audio formats. It effortlessly handles high-resolution audio signals, accommodating bitrates up to 32Bit/768kHz for PCM signals and Native DSD512 signals. The FC6 excels in delivering true studio-grade performance by offering 8x unfolding capabilities for MQA audio files.

The FC6 is equipped with convenient hardware volume keys, allowing you to effortlessly modify the volume on the move. These physical keys offer up to 32-step volume control, ensuring accurate adjustments specifically tailored for high-sensitivity in-ear monitors (IEMs) and headphones.