Recently upgraded my old b&w 685s1 to these b&w 704s2. Behind the shut door is a bluesound node2i. I use it as a preamp with and old NAD c352 powering it. Wonderful
B&W 704 S2 altavoces speakers - YouTube
Bowers & Wilkins 700 Series 3 Floorstanding Speaker w/5" midrange, dual 5" bass (each) White 704S3White - Best Buy