Grav is a consumer electronics company that designs and manufactures high-quality audio products. The company was founded in 2004 and is headquartered in Philadelphia, Pennsylvania. Grav's products include headphones, earbuds, and speakers, and they are known for their sleek design and superior sound quality. The company's mission is to provide consumers with the best possible audio experience, and they are committed to using the latest technology and materials to achieve this goal.