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Beoordeel PL50


Low Noise Regulated Linear Power Supply
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Taking advantage of electricity
For seriously good sound

A well-designed power supply is the foundation of good sound. And what is good for sound quality are linear power supplies, with their greater, high-quality and stable voltage output, smaller ripple, and lower noise.

The PL50, being a high-quality linear power supply, brings to your sound a lower noise floor, more refined dynamics and transients, and a more accurate, warmer tone to lower frequencies. 

Compared to switching power supplies, the noise of linear power supplies is mainly low and fixed in frequency, which human ears are relatively insensitive to. In contrast, switching power supply noise is higher in frequency and can easily interfere with the analog portion of audio circuits due to radiation, directly impacting the output sound. Switching power supply noise can even indirectly affect the digital portion of audio circuits, further affecting sound quality. 

Since the low-frequency noise of linear power supplies is fixed in frequency, this noise can be better and more accurately filtered out.

In addition, the large PL50 is also equipped with a filter circuit on the AC end, for filtering out interference generated by other electrical devices being used on the same AC circuit for even cleaner and more stable power.

Based on excellent materials
For outstanding quality

Toroidal transformers by their very nature have numerous advantages, allowing them to be very efficient. This is due to the coils in the transformer not having a set angle at which they are bent, leading to a more uniform magnetic field and less magnetic flux leakage.

Inside the PL50 is a custom 50VA audiophile-grade toroidal transformer, made of high-quality Nippon Steel iron and high-purity oxygen-free copper wires for higher efficiency, higher precision, more stable voltage, and for higher energy output. 

Dual voltage outputs
One unit for multiple uses

The PL50 supports both 12V and 15V outputs, allowing it to match the voltage requirements of various FiiO devices.

Metal construction
Continuing the FiiO design language

As with other products employing FiiO's industrial design, the outer shell of the PL50 is made of aluminum-magnesium alloy, which not only gives the unit a more refined texture, but also effectively shields the internals from external noise and interference.

Safety certified
Assured reliability

This power supply has been designed and manufactured according to strict safety standards, and has obtained various international safety certifications – allowing you to be reassured of its reliability.