Buy Koss Hardware & IT Equipment — 12 Products In Stock

Phone: 1.800.872.5677

Koss Corporation has been shaping the sound of personal audio since 1958, when it introduced the worlds first stereo headphones. Based in Milwaukee, Wisconsin, Koss is a family-founded company known for designing audio gear that blends simplicity, durability, and quality sound. Products like the iconic Porta Pro and Pro4AA headphones became staples among music lovers, DJs, and professionals. Over the years, Koss has stayed independent and focused, building wired and wireless headphones that reflect decades of listening expertise. With a commitment to user-first design and a unique lifetime warranty program, Koss continues to offer gear built for real-world use and everyday sound.