FiiO K9 Desktop USB DAC and Headphone Amplifier with Bluetooth

Aimed at audiophiles and music enthusiasts, the high-fidelity FiiO K9 is a compact desktop USB DAC and headphone amplifier that faithfully reproduces your music when listening to audio from your computer, smartphone, tablet, or other digital music player. The K9 Pro utilizes the legendary AKM AK4499 DAC to deliver rich audio details and a superior performance at up to 32-bit / 768 kHz PCM and DSD512. The device is equipped with 4.4mm and stereo RCA analog line, and optical, coaxial, and USB-B digital inputs. Selectable LO, PRE, and PO output configurations give you access to a combination of headphone output connectors including 1/4", balanced 4.4mm, and 4-pin XLR, and line outputs: RCA and balanced XLR-3. The K9 Pro acts as a bridge between your computer, mobile phone, speakers, and headphones, allowing them to work together seamlessly. Switchable low-, medium-, and high-gain levels are available, enabling you to use the amplifier with almost any headphones at comfortable volume le