These speakers are great for a 7.1 surround system. Delete 2 satellite speakers for a 5.1 system
2 Sony SS-MF750H tower speakers
3-way, ported (bass-reflex) floor standing speaker with 200-watt maximum power handling, 8-ohm speaker impedance
3.25-inch and dual 6.5-inch Kevlar/HOP (high strength, low weight, and low resonance) drivers and a 1-inch tweeter
Nano-Fine balanced-dome...washington -> washougal -> Mp3 Audio