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4.4mm balanced MQA dongle—the HiBy FC5
Supports MQA, HiByMusic App, 4.4mm balanced output, ES9281pro DAC, dual ES9603Q headphone amps, HiRes certified, 125mW high output power, low power consumption, DSD128, computer audio sound card, all metal body, hardware volume control, RGB indicator light



MQA support
The HiBy FC5 supports MQA, achieving up to 8x unfolding in harmony with MQA albums, bringing unprecedented detail to Hi-Res albums.
Is MQA renderer not decoder. Supports MQA unfolding in conjunction with supporting MQA player software such as HiByMusic and TIDAL, where the player software performs the initial 2x unfold and the FC5 renders the further 4x unfold to realize a total of 8x unfolding.)

The official couple
Seamlessly cooperating with the USB exclusive mode of the HiByMusic app, decoding all lossless music formats with ease!
The HiByMusic App is a professional app for Hi-Res audio playback on Android and iOS, with over 2 million users worldwide, and its USB exclusive mode coupled with external USB DAC/headphone amps garners widespread praise from HiFi aficionados all around.

4.4mm balanced headphone port
Equipped with a 4.4mm balanced headphone port, this enables your smartphone to connect to balanced HiFi headphones, giving new meaning to Hi-Res streaming services.

HiFi DAC ES9281 Pro
Its decoding abilities are not to be underestimated, including built in hardware MQA decoding. Your journey to HiRes starts here!

Dual ES9063Q headphone amps
Dedicated headamp stage leads to large soundstage, high dynamic range performance on par with dedicated HiFi digital audio players!

Boutiful power
125mW+125mW @32Ω is enough power to drive all sorts of wired HiFi earphones.

Hi Res audio support
Supporting PCM up to 32bit / 384kHz, DSD up to DSD128 (DoP).

HiRes certified quality
Certified by the original certifiers of HiRes the Japan Audio Society for guaranteed audio quality!

Computer Sound Card capability
Battery-free, no charging required. Plug and Play capability on Mac and Windows 10.
Lighting to Type-C conversion cable available for purchase separately

All-metal body
Aluminium chassis and glass cover for the ultimate product physics befitting its sonics!

RGB indicator light
Changes colour to indicate playing audio sample rate / format.
Red: connected, not playing Blue: playing at PCM 32-48kHz Green: playing at PCM 88.2-192kHz / DSD64 Light green: playing at PCM 352.8-384kHz / DSD128 Purple: playing MQA

Hi quality, low consumption
HiRes audio that doesn’t drain your smartphone battery.

Hardware volume buttons
30 step hardware volume control via physical buttons for best quality at all volumes and suitable for all usage scenarios.

What’s in the box
① FC5 DAC/headphone amp product proper ② MQA subscription voucher ③ User guide ④ Product packaging ⑤ 4.4mm balanced male to 3.5mm female adapter cable ⑥ Type-C to Type-C interconnect ⑦ USB Type A to Type-C interconnect
Audio specifications
Port | 4.4mm balanced headphone port |
---|---|
Output Level | 2Vrms @32Ω |
Output Power | 125mW+125mW @32Ω |
THD+N | 0.0015% |
SNR | 114dB |
Crosstalk rejection | 71dB |
Frequency response | 20-90kHz |
Specifications
Model | HiBy FC5 |
---|---|
Dimensions | 58*22*12 mm |
Weight | 22.5g |
Chipsets used | ES9281 Pro + dual ES9603Q |
Hardware buttons | Volume up / down |
Format support | PCM 32bit/384kHz | DSD128(DoP)| MQA |
Indicator light | As status and playback sample rate / format indicator |
USB port | Type-C |
Headphone port | Standard 4.4mm balanced headphone port |
Be the first to know when we launch!
Get the latest news of HiBy FC5 & special offers!
Featured in

Headfonics
The HiBy FC5 is aimed at buyers who want the latest chipset and a modern-looking shell design that is purposed for quality sound in particular.
Full review
Audiophile Heaven
If you're looking for an ergonomic, fun to use, not very power consuming, but very detailed and clean sounding with good dynamics and wide DAC/AMP, FC5 is an excellent option, and should be super fun to use for years to come.
Full review
Porta.Fi
The FC5 sounds pretty pleasant and enjoyable in terms of pairing. The most information thing is the black background and this digital tonal converter delivers really great even with sensitive in-ear monitors with almost zero background noise.
Full review
MQA support
The HiBy FC5 supports MQA, achieving up to 8x unfolding in harmony with MQA albums, bringing unprecedented detail to Hi-Res albums.
Is MQA renderer not decoder. Supports MQA unfolding in conjunction with supporting MQA player software such as HiByMusic and TIDAL, where the player software performs the initial 2x unfold and the FC5 renders the further 4x unfold to realize a total of 8x unfolding.)
The official couple

UAT - The Ultimate In Bluetooth HiFi
Seamlessly cooperating with the USB exclusive mode of the HiByMusic app, decoding all lossless music formats with ease!
The HiByMusic App is a professional app for Hi-Res audio playback on Android and iOS, with over 2 million users worldwide, and its USB exclusive mode coupled with external USB DAC/headphone amps garners widespread praise from HiFi aficionados all around.


4.4mm balanced headphone port
Equipped with a 4.4mm balanced headphone port, this enables your smartphone to connect to balanced HiFi headphones, giving new meaning to Hi-Res streaming services.
HiFi DAC ES9281 Pro

UAT - The Ultimate In Bluetooth HiFi
Its decoding abilities are not to be underestimated, including built in hardware MQA decoding. Your journey to HiRes starts here!


Dual ES9063Q headphone amps
Dedicated headamp stage leads to large soundstage, high dynamic range performance on par with dedicated HiFi digital audio players!
Boutiful power

UAT - The Ultimate In Bluetooth HiFi
125mW+125mW @32Ω is enough power to drive all sorts of wired HiFi earphones.


Hi Res audio support
Supporting PCM up to 32bit / 384kHz, DSD up to DSD128 (DoP).
HiRes certified quality

UAT - The Ultimate In Bluetooth HiFi
Certified by the original certifiers of HiRes the Japan Audio Society for guaranteed audio quality!


Computer Sound Card capability
Battery-free, no charging required. Plug and Play capability on Mac and Windows 10.
Lighting to Type-C conversion cable available for purchase separately
All-metal body

UAT - The Ultimate In Bluetooth HiFi
Aluminium chassis and glass cover for the ultimate product physics befitting its sonics!


RGB indicator light

UAT - The Ultimate In Bluetooth HiFi
Changes colour to indicate playing audio sample rate / format.
Red: connected, not playing
Blue: playing at PCM 32-48kHz
Green: playing at PCM 88.2-192kHz / DSD64
Light green: playing at PCM 352.8-384kHz / DSD128
Purple: playing MQA
Hi quality, low consumption

UAT - The Ultimate In Bluetooth HiFi
HiRes audio that doesn’t drain your smartphone battery.


Hardware volume buttons

UAT - The Ultimate In Bluetooth HiFi
30 step hardware volume control via physical buttons for best quality at all volumes and suitable for all usage scenarios.
What’s in the box

UAT - The Ultimate In Bluetooth HiFi
① FC5 DAC/headphone amp product proper ② MQA subscription voucher ③ User guide ④ Product packaging ⑤ 4.4mm balanced male to 3.5mm female adapter cable ⑥ Type-C to Type-C interconnect ⑦ USB Type A to Type-C interconnect

Look at me



Audio specifications
Port | 4.4mm balanced headphone port |
---|---|
Output Level | 2Vrms @32Ω |
Output Power | 125mW+125mW @32Ω |
THD+N | 0.0015% |
SNR | 114dB |
Crosstalk rejection | 71dB |
Frequency response | 20-90kHz |
Specifications
Name | HiBy FC5 |
---|---|
Dimensions | 58*22*12 mm |
Weight | 22.5g |
Chipsets used | ES9281 Pro + dual ES9603Q |
Hardware buttons | Volume up / down |
Format support | PCM 32bit/384kHz | DSD128(DoP)| MQA |
Indicator light | As status and playback sample rate / format indicator |
USB port | Type-C |
Headphone port | Standard 4.4mm balanced headphone port |
Specifications
Bluetooth chipset | QCC 5121 |
---|---|
Driver complement | one dynamic and one balanced armature driver, total two drivers per earpiece |
Bluetooth standard | Bluetooth 5.0 |
Bluetooth codec | UAT/aptX/SBC/AAC |
Bluetooth coverage distance | 10m |
Operation | Touch, indicator light and voice feedback, HiBy Blue app control |
Status indicators | Blue and red lights |
Microphone | Included |
Battery capacity | WH3 = 45 mAh, Battery case = 400 mAh
|
Battery Life | 5-hour playtime after fully charged. With Battery case up to 24-hour playtime. |
Weight | 63g (including battery case) |