About 2 Trademarks found that are owned by Mad Professor Amplification Ltd

Amplifiers; Audio amplifiers; Electronic effect pedals for use with sound amplifiers; Electronic sound pickup for guitars and basses; Guitar amplifiers; Guitar effects processors; Loudspeaker cabinets; Musical instrument amplifiers; Sound amplifiers

The mark consists of the word "red" which is dominantly at the center of the rectangle, as if made by a template with paintwork that makes the edges jagged.