The HiBy FD3 is a USB DAC+headphone amp, which may connect to computers, smartphones etc. With strong decoding power, 3.5mm SE, 2.5mm and 4.4mm balanced headphone outputs for an all-in-one solution!
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Customer Reviews
The little amp with all the ports
Dual ES9038Q2M, 2.5+3.5+4.4mm ports, native DSD512 decoding, all-format audio support, multi-system compatible, cable-interchangeable design, HiByMusic app, computer sound card, all-metal body.
Dual ES9038Q2M
Dual ES9038Q2M—DAC complement usually reserved for high-end digital audio players, now found in an ultracompact USB dongle!
All-format audio support
Supports PCM 32BIT / 768kHz | DSD512, breaking the ceiling of portable DA conversion.
Independent headamp section
Dual ES9603Q amplifiers supply plentiful power to drive all kinds of HiFi earphones.
Professional audio architecture
A wealth of experience in audio architecture forming the basis of inspiring sound quality.
All your cables belong here
3.5mm SE as well as both 2.5mm and 4.4mm balanced. A port for every cable, every headphone.
The official couple
Seamlessly working with HiByMusic app’s exclusive HQ USB audio access mode, turning your smartphone into a HiFi digital audio player in an instant!
HiByMusic is a professional Hi-Res audio player app for Android and iOS alike, with over 2 million users worldwide, and its exclusive HQ USB audio access mode in combination with an external DAC/amp is a widely recognized way to obtain HiFi on your smartphone among HiFi circles.
Hardware volume control buttons
30-step hardware volume adjustment, easily adapting to more usage scenarios.
Computer sound card
No charging required, plug-and-play, effective way to improve computer audio.
Driver-free on Mac and Windows 10 (build 1703) and up, native DSD decoding available with additional driver installation.
Highly adaptable
Cable interchangeable, easily adapting to smartphones, computers, tablets and audio players alike. Supporting Android and iOS, Mac and Windows alike.
All metal body
Aluminium alloy body getting full points for ruggedness and style!
What’s in the box
HiBy FD3*1
Magic sticker*1
Micro USB Type C cable*1
Type-C cable (straight)*1
Type-C cable (L-shaped)*1
User manual*1
Warranty card*1
QC certificate*1
Specifications
| Model | HiBy FD3 |
|---|---|
| Dimensions | 61.5*61.5*12.1 mm |
| Weight | 73 g |
| USB receiver | CT7601PH |
| DAC & amp chipsets | Dual ES9038Q2M + Dual ES9603Q |
| Buttons | Play / pause, volume +/- |
| Audio formats | All audio formats, native DSD decoding |
| Sample rate / depth | Supporting up to DSD512 | PCM 32bit / 768kHz |
| Status indication | via RGB LED |
| USB port | Type-C port as USB DAC input |
| Headphone out | Standard 3.5mm headphone port, supporting inline remote control, supporting all headphones and mic’d headsets |
| Balanced output | 2.5mm and 4.4mm balanced output |
| Power supply | via USB port (no charging required) |
Audio specifications
| PO | 2.5mm BAL | 4.4mm BAL | |
|---|---|---|---|
| Test condition | 32Ω loaded | 32Ω loaded | 32Ω loaded |
| Output Level | 1.65Vrms | 2.1Vrms | 2.1Vrms |
| Output power | 85mW | 138mW | 138mW |
| THD+N | 0.0015% | 0.0013% | 0.0013% |
| Noise | 2uV | 3uV | 3uV |
| SNR | 118dB | 117dB | 117dB |
| Crosstalk rejection | 66dB | 97dB | 97dB |
| Frequency response (±3dB) | 20Hz-90kHz | 20Hz-90kHz | 20Hz-90kHz |
The little amp with all the ports
Dual ES9038Q2M, 2.5+3.5+4.4mm ports, native DSD512 decoding, all-format audio support, multi-system compatible, cable-interchangeable design, HiByMusic app, computer sound card, all-metal body.
Dual ES9038Q2M
Dual ES9038Q2M—DAC complement usually reserved for high-end digital audio players, now found in an ultracompact USB dongle!
All-format audio support
UAT - The Ultimate In Bluetooth HiFi
Supports PCM 32BIT / 768kHz | DSD512, breaking the ceiling of portable DA conversion.
Independent headamp section
Dual ES9603Q amplifiers supply plentiful power to drive all kinds of HiFi earphones.
Professional audio architecture
UAT - The Ultimate In Bluetooth HiFi
A wealth of experience in audio architecture forming the basis of inspiring sound quality.
All your cables belong here
UAT - The Ultimate In Bluetooth HiFi
3.5mm SE as well as both 2.5mm and 4.4mm balanced. A port for every cable, every headphone.
The official couple
Seamlessly working with HiByMusic app’s exclusive HQ USB audio access mode, turning your smartphone into a HiFi digital audio player in an instant!
HiByMusic is a professional Hi-Res audio player app for Android and iOS alike, with over 2 million users worldwide, and its exclusive HQ USB audio access mode in combination with an external DAC/amp is a widely recognized way to obtain HiFi on your smartphone among HiFi circles.
Hardware volume control buttons
UAT - The Ultimate In Bluetooth HiFi
30-step hardware volume adjustment, easily adapting to more usage scenarios.
Computer sound card
No charging required, plug-and-play, effective way to improve computer audio.
Driver-free on Mac and Windows 10 (build 1703) and up, native DSD decoding available with additional driver installation.
Highly adaptable
UAT - The Ultimate In Bluetooth HiFi
Cable interchangeable, easily adapting to smartphones, computers, tablets and audio players alike. Supporting Android and iOS, Mac and Windows alike.
All metal body
UAT - The Ultimate In Bluetooth HiFi
Aluminium alloy body getting full points for ruggedness and style!
What’s in the box
UAT - The Ultimate In Bluetooth HiFi
HiBy FD3*1
Magic sticker*1
Micro USB Type C cable*1
Type-C cable (straight)*1
Type-C cable (L-shaped)*1
User manual*1
Warranty card*1
QC certificate*1
Specifications
| Model | HiBy FD3 |
|---|---|
| Dimensions | 61.5*61.5*12.1 mm |
| Weight | 73 g |
| USB receiver | CT7601PH |
| DAC & amp chipsets | Dual ES9038Q2M + Dual ES9603Q |
| Buttons | Play / pause, volume +/- |
| Audio formats | All audio formats, native DSD decoding |
| Sample rate / depth | Supporting up to DSD512 | PCM 32bit / 768kHz |
| Status indication | via RGB LED |
| USB port | Type-C port as USB DAC input |
| Headphone out | Standard 3.5mm headphone port, supporting inline remote control, supporting all headphones and mic’d headsets |
| Balanced output | 2.5mm and 4.4mm balanced output |
| Power supply | via USB port (no charging required) |
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) |
Audio specifications
| PO | 2.5mm BAL | 4.4mm BAL | |
|---|---|---|---|
| Test condition | 32Ω loaded | 32Ω loaded | 32Ω loaded |
| Output Level | 1.65Vrms | 2.1Vrms | 2.1Vrms |
| Output power | 85mW | 138mW | 138mW |
| THD+N | 0.0015% | 0.0013% | 0.0013% |
| Noise | 2uV | 3uV | 3uV |
| SNR | 118dB | 117dB | 117dB |
| Crosstalk rejection | 66dB | 97dB | 97dB |
| Frequency response (±3dB) | 20Hz-90kHz | 20Hz-90kHz | 20Hz-90kHz |