Plug into perfectly distilled collections of American and British amp tones, paired down to the very essentials. Spider IV 15 and Spider IV 30 give you access to a variety of tones that every guitarist wants. Shimmering clean tones, a classic crunch inspired by* a 100-watt Marshall® Plexi, punchy high-gain heaven inspired by* a Mesa/Boogie® Dual Rectifier®, and more.