FOSI AUDIO PSU20

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FOSI AUDIO PSU20

FOSI AUDIO PSU20

FOSI AUDIO PSU20 Linear Power Supply 40 watt

Fosi Audio PSU20 Linear Power Supply 40 watt
Features
Power Three Devices Simultaneously
Reduce Noise with 0.1mV Ripple
Isolate Power Across 3 Channels
Switch Between 5V, 12V & 15V

Fosi Audio PSU20
40W Rated Strong Power

Multiple voltage levels and various interfaces, flexibly compatible with a variety of devices.

Lower Noise. Blacker Background.
Unlike switching power supplies, the PSU20 produces a simpler, more controllable noise spectrum. Combining premium Nippon Chemi-Con capacitors with a Texas Instruments quad-core linear regulation design, it reduces ripple noise and delivers a cleaner background for high-fidelity audio systems.

Perfect Match for Fosi Gear
Purpose-built for Fosi Audio components, the PSU20 offers seamless compatibility and a unified design that fits naturally into your system.

80W Toroidal Transformer

Custom pure copper toroidal transformer with up to 100W peak output ensure stable power delivery, even with three devices connected.

FOSI AUDIO PSU20 Description

FOSI AUDIO PSU20 can Power Three Devices Simultaneously
With dual DC outputs and one USB-A output, the PSU20 can power up to three audio devices from a single source.

Flexible Compatibility
Supports selectable 5V, 12V, and 15V outputs, making the PSU20 compatible with CD transports, DACs, headphone amplifiers, and preamps.

3 Fully Isolated Outputs
Each output has its own dedicated rectification, filtering, regulation, and protection circuitry to deliver clean, stable power without interference between connected devices.

0.1mV Ultra-Low Ripple
With ripple as low as 0.1mV, the PSU20 helps reduce ripple noise and deliver a cleaner background for high-fidelity audio systems.

Engineered for Stable Long-Term Use
A custom low-noise fan activates at 55°C and operates at just 30dB, while over-temperature, over-voltage, and over-current protection help safeguard connected audio equipment.

FOSI AUDIO PSU20 Specifications

Power Input
AC: 115V / 230V
Note:
115V setting supports 100–120V input
230V setting supports 220–240V input
Power Output
DC 1: 12V / 15V (Rated Power: 20W)
DC 2: 12V / 5V (Rated Power: 15W)
USB: 5V / 1A (Rated Power: 5W)
Operating Temperature
-20 ~ 40°C (-4°F ~ 104°F)
Temperature Rise Test
Temperature rise of 25°C (77°F) at full load

What‘s in the box？

Fosi Audio PSU20*1
1.2m (47.2 in) DC-DC Power Cable*1
0.3m (11.8 in) DC-DC Power Cable*1
User Manual*1
AC Power Cord*1

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