This is Nakamura Seisakusho's NS-PD910, a 9V power distributor for audio equipment. Solve your power supply noise problems with this! By incorporating noise filter elements in all 10 distribution lines, it reduces noise and interference from the power supply. Furthermore, it can be used with any type of 'DC 9V power supply', including AC switching regulators, linear (transformer-type) AC adapters, and batteries! This product is especially recommended for those who have large pedalboards and are concerned about power supply noise. Velcro is attached to the back. No accessories are included.