Headquartered in Niederkrüchten, Germany, Sound Performance Lab (SPL) is known for its innovative products, including various audio interfaces, amplifiers, software plug-ins and amp simulations. They do not just equip musicians, but also film studios, hi-fi enthusiasts and radio stations. With more than 30 years of history, SPL has made a name for itself across all industries and has also won the hearts of many studio and hobby musicians with its series such as Transducer, Cabulator and Crimson.