HiBy FC4 HiFi USB DAC Headphone Amplifier Dual CS43131 AB1565 Decoder PCM768 DSD512 3.5/4.4mm Output for Android iOS Mac Win10

HiBy FC4 with Display

Portable HiFi DAC+headphone amplifier

Features

Cyborg-inspired exterior design
1.1”OLED color display
Dual CS43131 high performance DACs
DSD512
PCM 768kHz/32bit
Dual audio clock oscillators（45.1584MHz, 49.152MHz）
EQ Preset EQs included
Customizable parametric EQ
3.5mm SE + 4.4mm BAL headphone outs
MQA 8x unfolding
Hardware volume control
Hi-Res certified
UAC1.0&2.0
Multiple usage scenarios
Multiple colorways

Cyborg dongle

Extending the new generation of cyborg-inspired HiBy designs, the dongle chassis is an innovative blend of aluminium alloy and translucent polycarbonate, exuding personality with a delicately paradoxical air of retro futurism. Weighing only 21 grams, the featherlight compact device can be taken everywhere with you and connected to your smartphone etc. without fuss.

Color OLED display

With the 1.1”high-res color OLED display on board, all operating status and menu operations are clear at a glance. Combined with intuitive menu design, you won't even need to look at the manual to use this!

High performance dual DACs

Equipped with not one but two high performance Cirrus Logic flagship MasterHiFI CS43131 DACs with built-in hi-res headphone amplification. Blending advanced audio technology with low power consumption design, bringing you a pure, detailed high fidelity listening experience even from power-hungry headphones without excessive drainage of your smartphone battery.

Dedicated dual femtosecond-grade audio crystal oscillators

With dual femtosecond grade low phase noise dedicated audio crystal oscillators (45.1584 and 49.152MHz) running at 1024x 44.1 and 48kHz sample rates, drastically decreasing clock jitter compared to single crystal solutions, effectively increasing signal stability and accuracy, ensuring less distortion, more purity in your music experience.

Official companion app

App+Hardware, End-to-End Portable HiFi Experience

Works seamlessly with the exclusive USB mode of HiByMusic, decoding all sorts of music formats losslessly in Hi-Res!

The HiByMusic app is a professional high-resolution audio player app for Android and iOS, with over 5 million users worldwide. Its USB Exclusive Mode (for external amplifiers) is particularly acclaimed by audiophiles in the HiFi community.

Preset EQs included

8 preset EQs crafted by the HiBy tuning team to suit any music genre.

User-defined parametric EQ

Use professional parametric equalization to precisely dial in corrections for your specific earphone model (or do anything a PEQ is capable of). Easily load, save and share your PEQ settings via the HiByMusic app.

Computer audio sound card

Supporting all major platforms (iOS / Android / macOS / Windows), with plug-and-play compatibility on all platforms including Mac and Windows, use this dongle anywhere for anything HiFi-related.

Hi-res audio support

Supporting up to DSD512 and PCM768kHz / 32bit hi-res audio sample rates, realizing richer details and higher dynamic range to bring every musical note to life.

All-compatible port connectivity

With both 3.5mm SE and 4.4mm BAL headphone ports on board, which may be used as line out as well as headphone out for connection to home and car audio as well as all manner of headphones.

MQA 8x unfolding

Utilizing advanced time-domain reconstruction and high-efficiency encoding technology, it accurately reproduces every detail in the audio, preserving studio-grade sound quality to the fullest extent. The 8X unfolding mode fully taps the potential of high-resolution audio, bringing a clearer and more dynamic sound experience, allowing you to enjoy the real music experience as if it were live.

In tandem with MQA decoding on the host device (via HiByMusic, TIDAL, etc.) to realize MQA 8x unfolding. Initial decoding on the host device required for unfolding on the FC4 to occur.
(The host device is responsible for decoding MQA 2x and the FC4 is responsible for unfolding MQA 4x)

Hardware volume button control

Precision 30 step volume control with discrete button control and volume memory function.

Button functionality:
Vol+ button: volume increase / move menu item highlight
Vol- button: volume decrease / move menu item highlight
Function buttons: menu activation / menu item selection

UAC 1.0 and 2.0 compatible

Compatible with all mainstream gaming consoles, PS4 / 5, Switch, etc., in particular models that require legacy USB audio class 1 compatibility.

Mode switch:
Running in UAC class 2 by default, the dongle can present as UAC class 1 instead if you hold the vol- button while connecting to the USB port.