From Black Lion: "Our modifications are in use by some of the top facilities and sound engineers in the world, such as SDI Media, The Los Angeles Opera, Audio Ease, Mattel, Disney, Fox Sports, Sony Scoring, and many more...." From Users: "The Signature Upgrade allows me to keep everything I have, just as it is, but enjoy a much better clock, a cleaner signal path, better pre's, and more musical A/D and D/A circuits. It's like taking your Ford or Chevy to a great mechanic, and getting back a car that drives like a Lexus or a BMW. It's like making Toll House cookies with Belgian Chocolate instead of Nestle's chips. You notice the difference." --Hugo Dwyer (David Byrne, Brian McKnight, Mary J. Blige, Madonna, Bjork, Celine Dion, Toni Braxton, Mariah Carey, Whitney Houston, Deborah Cox, Janet Jackson, Jazz Passengers, Duncan Sheik, Bette Midler, Paula Cole) "No discerning studio owner should be without Black Lion Audio's new line of pro audio tools. An upscale sound...." --George Landress (No Doubt, Jon B., Chaka Khan, Jane's Addiction, Art Garfunkel, Robert Fripp, Laura Nyro)