M20/M40 - Q. What was the reason for not having removable grills?

M20/M40 - Q. What was the reason for not having removable grills?

Answer:

As a member of Q Acoustics’ Media series, the non-removable-grille design is in keeping with this range that includes the M2 soundbase, M3 and M4 soundbars and the original BT3 loudspeakers.