80W Toroidal Transformer

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

Nippon Chemi-Con Capacitors

Premium capacitors help minimize ripple and noise, with ripple as low as 0.1mV.

High-Reliability Rectifier

A GBU806 rectifier bridge rated at 600V/8A ensures fast, stable AC-to-DC power conversion.

4-Core Regulation

Powered by three LM1085IT and one ST78M05 linear regulators from Texas Instruments.

Product details

Description
  • The 48V 5A 10A power adapter supply is specifically designed for use with amplifiers and is ideal for providing reliable power to Fosi Audio amplifiers, such as BT20A Pro, TB10D, ZA3, and V3 amplifiers.

  • Provides a stable and reliable output voltage of 48V for powering your device. Capable of delivering up to 5A/10A of current, making it suitable for high-power applications.

  • Manufactured with high-quality materials, ensuring long-term durability and reliability.

  • Incorporates several safety features, including overcurrent protection and overvoltage protection, to ensure safe operation.

  • The compact and lightweight design allows for easy portability and uses in tight spaces. It can be used in a range of settings, including home, office, or industrial environments.


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