For the first time ever, the Diezel VH4 Preamp Pedal features the performance capability of the VH4 with all the lush, dynamic overdrive character of the VH4 Channel 3. When musical architect Peter Diezel created the DIEZEL VH4 in 1994 he unknowingly sparked a revolution in tone, creating such a demand that he literally had no choice but to put his own personal creation into production. More than 20 years later, the VH4 has become one of the most loved high gain MPs in the world and the powerhouse that put DIEZEL at the forefront of music with some of the most iconic players (from Metallica to Guns N Roses) performing with it on some of the biggest stages and in studios around the world.