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FIIO DARKSIDE PRO Low Noise Regulated Linear Power Supply Black
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FiiO Darkside Pro Low-Noise Linear Power Supply 12V/15V DC 3A Black
The FiiO Darkside Pro is a low-noise regulated linear power supply designed to improve the power delivery of sensitive HiFi devices such as DACs, headphone amplifiers, network streamers, or preamplifiers. Engineered to provide cleaner and more stable current than a typical switching power supply, it features a 75W audiophile-grade toroidal transformer, a fully discrete regulation circuit, and a power stage based on two IRFZ34NPBF MOSFETs connected in parallel. The Darkside Pro offers a selectable DC output of 12V or 15V, with a maximum current of 3A, making it suitable for a wide range of audio equipment. Its connectivity includes an AC mains input, a DC output via a GX16 2-pin aviation connector, a 12V / 15V selector switch, a front-panel voltage display, as well as fine voltage adjustment via a precision potentiometer. The whole unit is housed in an elegant aluminum chassis with a clean and robust design, intended to integrate seamlessly into an audiophile setup.
FiiO Darkside Pro: a linear power supply designed for high fidelity
Unlike switching power supplies commonly included with many audio devices, the FiiO Darkside Pro uses a linear architecture aimed at reducing high-frequency interference and electrical noise. This type of design delivers a more stable voltage to audio circuits, promoting optimal operation of demanding DACs, amplifiers, and network players.
FiiO Darkside Pro: 75W toroidal transformer
At the heart of the device is a 75W toroidal transformer selected for its excellent performance in audio environments. This technology minimizes eddy current losses, reduces magnetic leakage, and ensures a power supply capable of responding quickly to current demands during dynamic passages. The expected result is a more stable reproduction, with greater ease and control.
FiiO Darkside Pro: discrete regulation and dual MOSFET
The Darkside Pro uses a fully discrete voltage regulation circuit rather than a simple integrated solution. It is paired with two high-current MOSFET transistors operating in parallel to reduce internal resistance and improve current capacity. This design promotes a fast response to load variations while maintaining a low noise level:
- Noise floor ≤ 17uV at 12V DC
- Noise floor ≤ 30uV at 12V DC
FiiO Darkside Pro: versatility and precision
Versatile, this power supply allows you to select between 12V DC and 15V DC depending on the requirements of the connected device. Its maximum current of 3A makes it compatible with many audio devices requiring a high-performance external power supply. Voltage switching is easily done via a dedicated selector, while a front display allows monitoring of the selected value.
Additionally, the FiiO Darkside Pro features a calibration potentiometer to precisely adjust the output voltage if needed. It also integrates safety mechanisms designed to protect both the connected device and the power supply itself, including overcurrent protection via a fuse and a dedicated protection system.
Overview of the FiiO Darkside Pro
The DC output uses a GX16 2-pin connector, appreciated for its robustness and secure fit. The AC mains input allows easy integration into any compatible home system. With its aluminum chassis and compact format, the Darkside Pro integrates easily alongside many products from the brand: K11, K11 R2R, K13 R2R, K15, K19, K9, R7, TT13, K5 Pro Series, Q7, etc.
| 1 | Power switch |
| 2 | Output voltage display |
| 3 | DC output via GX16 connector |
| 4 | 12V/15V DC output selector switch |
| 5 | Adjustment resistor |
| 6 | Fuse |
| 7 | AC power input port |
Technical Specifications
| Specifications | |
|---|---|
| Product type | Linear power supply |
| Input voltage | AC 100-120V 50/60Hz AC 220-240V 50/60Hz |
| Output voltage / current | 12V DC 3A 15V DC 3A |
| Input | IEC C14 |
| Output | 1x GX16 2 pins |
| General | |
|---|---|
| Dimensions | 188 x 188 x 42.3mm |
| Weight | 2.2kg |
| Color | Black |
| Packaging | 1x FiiO Darkside Pro 1x GX16 cable 1x AC power cable 1x Spare fuse |
| Input | IEC C14 |
| Output | GX16 |
| Color | Black |
| Output voltage (V) | 15.0 |
| Output voltage (V) | 12.0 |
| Output current (A) | 3.0 |
| Input voltage (V) | 115.0 |
| Input voltage (V) | 230.0 |
| Power Supply | Regulated Linear Power Supply |
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