Product Overview

Defon Electronics manufactures toroidal audio transformers designed specifically for high-fidelity (Hi-Fi) and professional audio applications requiring ultra-low noise, high efficiency, and clean power delivery.

Compared with standard transformers, toroidal audio transformers significantly reduce magnetic leakage and mechanical vibration, ensuring minimal interference and superior sound quality performance.

Our audio transformers are widely used in Hi-Fi amplifiers, studio equipment, professional sound systems, home audio systems, and high-end audio power supply units.

We support full OEM/ODM customization including voltage design, shielding structure, power rating, and mechanical housing optimized for audio performance.

Key Features

  • Ultra-low noise toroidal core design
  • Minimal vibration for high-end audio performance
  • High efficiency and low power loss
  • Reduced electromagnetic interference (EMI)
  • Clean and stable power output
  • High-grade copper winding design
  • Optional electrostatic shielding for audio purity
  • Compact structure for audio equipment integration
  • OEM / ODM customization supported
  • Long service life and stable performance

Applications

Toroidal audio transformers are widely used in:

Hi-Fi Audio Systems

  • High-end audio amplifiers
  • Hi-fi home audio systems
  • Audiophile-grade equipment
  • Pre-amplifiers and power amplifiers

Professional Audio Equipment

  • Studio monitoring systems
  • Mixing consoles
  • Recording equipment
  • Sound processing units

Consumer Audio Products

  • Home theater systems
  • High-quality speaker systems
  • Audio receivers
  • Entertainment systems

Industrial & Custom Audio OEM

  • Custom amplifier power supplies
  • Audio module systems
  • OEM audio equipment manufacturing
  • Specialized sound systems

Electrical Performance

  • Ultra-low electromagnetic noise for audio clarity
  • High efficiency power delivery
  • Stable voltage output for sensitive audio circuits
  • Low mechanical hum and vibration
  • High dielectric strength insulation
  • Excellent thermal stability under continuous operation
  • Clean power supply for distortion-free sound

Customization Options

We support full OEM/ODM customization:

  • Input voltage: 110V / 220V / 230V / 240V / 277V / custom
  • Output voltage: audio-optimized dual or multi outputs
  • Power rating: customized VA range
  • Frequency: 50Hz / 60Hz
  • Insulation class: B / F / H
  • Shielding: electrostatic shielding (recommended for audio)
  • Mounting type: chassis / enclosed / custom housing
  • Terminal / connector / lead wire design
  • Low-noise mechanical design optimization
  • OEM branding / private labeling

Why Defon Electronics

Defon Electronics is a professional manufacturer of toroidal audio transformers, specializing in low-noise and high-fidelity power solutions for audio equipment manufacturers worldwide.

  • Strong OEM/ODM engineering capability
  • Expertise in low-noise transformer design
  • Stable mass production quality control
  • Experience in Hi-Fi and audio OEM markets
  • Competitive factory pricing
  • Fast prototyping support

We support both audiophile-grade customization and mass production for audio brands.