The NUX METAL CORE DELUXE MKII is a high gain preamp pedal with 3 distinctive high gain amp models including the Duo Rect, Fireman, and VH 4. You can select these models via the 3-way toggle switch. The Duo Rect is based on the Mesa Boogie Dual Rectifier. The familiar 90’s American metal sound with the iconic metal front panel that reminds you of countless classic records, from metal to punk to grunge, including Metallica, Tool, Korn, Soundgarden, Foo Fighters and Blink 182. The Fireman is based on the Friedman BE-100, the man behind the signature tones of rock icons including Eddie Van Halen, Steve Stevens, and Jerry Cantrell. For over a decade the "BE" circuit has been hailed as the epitome of British tone. The VH4 is based on the Diezel Amp of the same name, which revolutionized the industry with its 4-Channel and individual inserts design. This amp covers a wide range of tones. It has a thick, articulate and “meaty” sound, that is loved by many players. And because of its flexibility, the VH4 is used in many recording studios all over the world. Includes a dynamic range of 104dB with a DSP processing rate of 48KHz/ 32- bit.