I have had a pair of CX50's hanging on a wall, worked fine
The bass will be a little thin, The Cona will not be necessary, but a nice supplement to the system though
I would recomend a pair of P45's for the BM 3000 and a pair of RedLine speakers for the 5500
Greetings from Denmark, Søren Hammer
Beocenter 9300, Beogam CD50, Beocord 5500, Beomaster 3400, Beomaster 4400, 2 Beogram 4000, Beomaster 8000, 2 beogram 8002, Beovox S-75, Beovox MS150.2, Beovox RL6000, Beovox S-35, Beomaster 6000, 2 Beocord 9000, Beocord 8004, Beocord 5000, Form 1, 2x Beolink 1000, Beo4, MX3500, LS4500. Born 1993.