ATI Pro Technologies the brand is more precisely into research and development of pro audio & lighting products. We specialize in offering top-tier lighting and audio solutions at competitive prices. An HF Diaphragm is critical in audio systems, particularly in high-frequency drivers like tweeters. It converts electrical signals into sound waves, specifically at high frequencies. Made from lightweight materials like titanium or Mylar, its precision ensures clear, accurate sound reproduction in speakers and audio equipment.