Totally depends on your preferences and your room. So, checking them in person in a treated room and looking at the how the radiation pattern(if available) can give an idea about how much the room can influence the sound of them. Heco / Magnat uses Klippen Laser measuring systems for their development. There are couple of measurements of the floor standing versions online in hifitest.de. They seem neutral but no idea if the bookshelf’s has a similar freq response with just less bass like we normally expect.