Our family of 3 stayed at the XO Couture back in 2015 and found it to be a very good value in a very expensive city with an easy transit connection to the sites. It was a 20 minute single tram ride from our hotel to the Museumplein (Rjiksmuseum, Van Gogh) and another 15 minutes from there to the central train station. I would say not walkable to the center of the action (or at least not in a practical sense). Although the hotel was quite modern and very comfortable, the neighborhood was a bit underwhelming - perhaps things have changed but there were not a lot of restaurant choices near the hotel. If we returned to the hotel during the day, we ended up taking the tram back to the Canal Zone for dinners.
On our next visit in 2019, my adult daughter and I stayed at the XO Van Gogh, also a good value but right across the street from the Museumplein, very convenient to walking to many sites, convenient to restaurants, shops etc.
Today, my daughter returned from a girls trip to Amsterdam, where she stayed at the XO Van Gogh again.