FiiO Darkside Pro
FiiO Darkside Pro
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FiiO Darkside Pro linear power supply upgrade. This is an outboard power supply meant to use with FiiO K-series products (compatibility list below) in order to upgrade the audio quality from the DAC / Headphone Amp.
Matches FiiO DACs
Sized and styled to match and fit under our new core DAC, the K13 R2R, it sits underneath and is perfect visual fit. It also makes a clear sonic upgrade. Having more room to work with, the improved linear power supply in the Darkside Pro allows the K13 R2R to perform at its peak, with its pitch black background and ultra silent power allowing your attached gear to provide improved bass response and a more vivid, clear soundstage.

With a selectable 12V / 15V 3A output via a rear switch, the Darkside Pro is compatible with many FiiO DACs, such as:
K-Series: K11, K11 R2R, K13 R2R, K15, K17, K7, K5 Pro
R Series: R7, R9
TT13 Turntable
Q7
The front screen matches the look of the K11 R2R and K13 R2R, showing the voltage selected. We expect it to also be paired often with the K15 as an upgrade to get a little more from that incredible DAC / headphone amp.
Build and parts quality inside are incredible for this price class, with silver plated copper cable, ELNA and Rubycon capacitors and a huge power toroidal transformer, allowing the Darkside Pro to effortlessly supply an attached DAC.
Includes: DC power cable in, AC power cable out, spare fuse
FIiO Darkside Pro Technical Specifications:
| ⚡ Power Core | Performance Details |
| Transformer Type | High-efficiency 75W Toroidal Transformer |
| Voltage Regulation | Fully discrete circuit with parallel N-MOSFETs |
| Output Voltage | 12V / 15V (Switchable via rear panel) |
| Residual Ripple | 30 uVrms (A-weighted) |
| 🔌 Connectivity & Output | Specifications |
| DC Output Port | GX16-2 Aviation Connector (Professional grade) |
| AC Input | Standard 3-pin IEC socket (Universal compatibility) |
| Max Output Current | Up to 3.0 Amperes (High-current capability) |
| Fine Adjustment | Built-in precision potentiometer ( 0.2V tolerance) |
| 📊 Monitoring & Safety | Features |
| Voltage Display | 3-LED Real-time Display (Indicates active voltage) |
| Protection Circuitry | Overheat, Overload, and Short-circuit protection |
| Internal Fuse | 1A / 250V (User-replaceable) |
| Cooling | Passive heat dissipation via aluminum unibody |
| 🏗️ Build & Physicals | Design Specifications |
| Chassis Material | CNC-machined Unibody Aluminum Alloy |
| Dimensions | 19 x 19 x 4.2 m |
| Net Weight | 2.2 kg (Solid, anti-vibration mass) |
Why Buy From FiiO Canada?
When you purchase from fiiocanada.ca, you aren't just getting a product; you’re getting peace of mind.
Fast Canadian Shipping: No surprise customs fees or long waits from overseas, ships from our Toronto head office.
Local 1 Year Warranty Support: We handle all warranty claims right here in Canada.
All Prices in CAD.
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