Product Case — Portable Speaker: High-Density Audio & Power PCBA

Portable speakers demand a board that manages wireless audio, power amplification, battery charging and protection in a tight space. Layout discipline decides the sound: clean analog paths, solid grounding and heat kept away from sensitive components.

This compact speaker's PCBA integrates the audio codec, Class-D amplifier and battery management on one high-density multi-layer board. XUNFEI built the board with controlled impedance, low-noise power design and robust charging protection, so the finished product delivers clear sound and long battery life.

Our mature high-multilayer and HDI board manufacturing capabilities, backed by strict quality control, let us produce these control boards at scale with consistent quality — every unit leaves the factory working exactly the same.