Hiby FD5 Balanced Desktop DAC/Amp
HIBY
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Description / Hiby FD5 Balanced Desktop DAC/Amp


New Generation Desktop Audio
The Hiby FD5 is a next generation desktop headphone DAC/amp. The FD5 features support for both USB-C and high resolution wireless Bluetooth input, a beefy maximum power output of 1523mW, an innovative isolated power supply system, selectable Class A/AB output modes and OLED display. All in a compact, cyberpunk inspired metal chassis.


Indepdendent Power Supply Unit
An isolated power supply is better at shielding the analog conversion / amplification circuitry from EMI from the power supply and vice versa.
The FD5's fully isolated power supply contains power supply filtering and regeneration to fully isolate the FD5 from any noise in the electricity grid.
High Quality Audio With Any Headphone and Any Format
Hiby FD5 has advanced format support, with up to DSD512 / 768kHz 32 bit PCM formats fully supported. Combined with both 3.5mm single ended and 4.4mm balanced headphone outs, dedicated line outs for powered speakers, and an impressive maximum power output of 1523mW, FD5 can easily serve as the centrepiece of your desktop music listening.


All-Metal Chassis
Hiby FD5 features an aluminium alloy chassis with a glass panel for the OLED display. A 100 step analogue volume control gives you fine control over output, along with physical switches on the side which allow you to change gain settings and Class A/AB output mode.
Features
- Cyberpunk exterior design with all metal chassis
- 1523mW output power for a wide range of headphones
- Isolated power supply
- Class A/AB Amplification
- High resolution Bluetooth support
- DSD512 / PCM768kHz 32bit format support
- 4.4mm balanced + 3.5mm single ended output
- Independent line-level output
- Colour OLED Display
Product Inclusions
- HiBy FD5
- 12V power adapter
- Instruction manual
- Warranty card
- QC card
- 6.35mm > 3.5mm headphone adapter
Specifications
General Specifications
| Model | HiBy FD5 |
| Dimensions | 115 x 115 x 52.7 mm |
| Display | 1.1" OLED |
| Weight | 698 g |
| DAC Section | 4x AKM4493 DAC Array |
| Controls | Fn button, A/AB mode switch, Gain switch, volume knob, Power button |
| Audio Format Support | PCM 768 kHz/32-bit, Hardware Decoding |
| Status LED | Operating mode indicator (Purple: USB; Blue: Bluetooth) |
| USB Port | Type-C |
| Headphone Outputs | 3.5mm TRS and CTIA-spec TRRS compatible SE headphone out, 4.4mm balanced headphone out |
| Line Output | 3.5mm, 4.4mm |
Line out Specifications
|
LO Output |
3.5 LO |
4.4 LO |
|
Output Level |
2.0Vrms (unloaded) |
4.0Vrms (unloaded) |
|
Output Level |
2Vrms (10 kiloOhms) |
3.9Vrms (10 kiloOhms) |
|
THD+N |
0.0003% |
0.0004% |
|
Noise |
1.64 |
2.2u |
|
SNR |
122dB |
126dB |
|
Dynamic Range |
123dB |
126dB |
|
Crosstalk Rejection |
99dB |
96dB |
|
Frequency Response |
20-90kHz |
20-90kHz |
3.5mm Headphone Out Specifications
|
3.5m HP Output |
3.5PO (Class AB) |
3.5PO ( Class A) |
|
Output Level |
4Vrms (unloaded) |
4Vrms (unloaded) |
|
Output Level |
3.9 Vrms (32 ohms) |
3.9 Vrms (32 ohms) |
|
Maximum Output Power |
475mW |
475mW |
|
THD+N |
0.0006% |
0.0006% |
|
Noise |
2.8 uV |
2.8 uV |
|
SNR |
123dB |
123dB |
|
Dynamic Range |
124dB |
124dB |
|
Crosstalk Rejection |
68dB |
68dB |
|
Frequency Response |
20-90kHz |
20-90kHz |
4.4 mm Headphone Out Specifications
|
4.4 BAL Output |
4.4 BAL (Class AB) |
4.4 BAL (Class A) |
|
Output Level |
8 Vrms (unloaded) |
8 Vrms (unloaded) |
|
Output Level |
7.0Vrms (32 ohms) |
7.0Vrms (32 ohms) |
|
Maximum Output Power |
1523mW |
1523mW |
|
THD+N |
0.0004% |
0.0004% |
|
Noise |
3.6 uV |
3.6 uV |
|
SNR |
125dB |
125dB |
|
Dynamic Range |
127dB |
127dB |
|
Crosstalk Rejection |
106dB |
106dB |
|
Frequency Response |
20-90kHz |
20-90kHz |