Marshall Amplification is a British company that designs and manufactures music amplifiers, speaker cabinets, brands personal headphones and earphones, a record label and, having acquired Natal Drums, drums and bongos. It was founded by drum shop owner and drummer Jim Marshall, and is now based in Bletchley, Milton Keynes, Buckinghamshire.

Marshall’s guitar amplifiers are among the most recognized in the world. Their signature sound, characterized by sizzling distortion and “crunch,” was conceived by Marshall after guitarists, such as Pete Townshend, visited Marshall’s drum shop complaining that the guitar amplifiers then on the market didn’t have the right sound or enough volume and gaining a lot of publicity.