We say:

We are delighted to have recently added the Nord catalogue to our website. The Nord Piano Monitor system is exclusively engineered for optimal dynamic reproduction of the electric and acoustic pianos in the Nord Piano Library. Developed to give you the optimal nearfield listening the compact Nord Piano Monitor system lets you experience the true character of our renowned piano sounds with impressive depth and dynamics – a natural extension of our instruments.

Nord say: 

For the ultimate nearfield listening experience the Nord Piano Monitor speakers can be mounted to the Nord Piano 4, Nord Piano 5 73/88, Nord Grand, Nord Stage 3 Rev B (88 and HP76) and Nord Stage 4 73/88 using the included Monitor Brackets. The Monitors can also be attached directly to standard microphone stands.