The combination of 600:600 Pomo alloy transformer and PCBA circuit board, with the high magnetic permeability and low loss characteristics of Pomo alloy, achieves low distortion and high fidelity signal transmission, and can accurately process signals in audio, communication and other fields. 1: The turns ratio design of 1 ensures stable conversion of input and output signals, avoiding significant fluctuations in voltage and current. The integration with PCBA circuit boards tightly integrates transformers with other electronic components, significantly reducing the size of the circuit system, minimizing signal transmission interference, and achieving standardization and automation of the production process, effectively reducing costs and improving efficiency. Its customized design can meet the special needs of different application scenarios, with a reasonable circuit board layout that balances heat dissipation and electromagnetic shielding, enhancing system reliability and electromagnetic compatibility, and facilitating equipment maintenance and functional upgrades, providing stable and efficient solutions for various electronic devices.