The Yamaha RKH1 is the designated rack mount kit . This is a great accessory available at a great value. Do not use the brackets for devices other than the MA2030 and PA2030 amplifiers. Carefully read the “Precautions for Rack Mounting” section in Owner’s Manual”. When installing the rack mount accessory please use the included screws. Tighten until the brackets are snug. Screws for rack mounting are not included.This is suitable for Rack mount kit for MA2030/PA2030.