Carl Wilhelm Pettersen

X-1 Audio, Inc. develops waterproof MP3 audio players and headphones. It has evolved to the next level as X-1, providing waterproof, weatherproof and sweatproof audio solutions for a wider range of athletes. With the same patented technology that made H2O Audio the most trusted brand in waterproof audio, X-1 has extended its product line to provide audio solutions that fit comfortably and securely while withstanding rain, humidity, sleet, snow, water, perspiration, and anything else Mother Nature might throw at them. The company was founded by Kari Kristian Rauhala, Carl Wilhelm Pettersen and Rany Polany in 2001 and is headquartered in San Diego, CA.