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
This screwdriver set includes 1 sleeve and 4 screwdriver bits, designed specifically for dismantling V3, ZA3, BT20A PRO, and all Fosi Audio amplifier products. It's a professional repair toolkit aimed at assisting users in conveniently disassembling and repairing various audio equipment. The set features a variety of screwdriver bit types, covering common screws of different sizes and types to meet various disassembly needs. The sleeve design is tailored to better accommodate the disassembly operations of certain specific models, providing a more convenient and precise disassembly experience. This toolset is highly practical and suitable for use by professional technicians, audio enthusiasts, and DIY repair enthusiasts.
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