Sony 5.1 Surround Sound System For Sale. (Excellent Quality & Well Made). Hi there here I have for sale a complete Sony 5.1 Surround Sound System. This sounds great & is well built as well. You get the following with this system. 1 x Sony SA-WS8 – 90 Watt Sub Bass Unit. 1 x Sony S-Master Digital Amplifier With Built In DVD Player. 4 x Sony Speakers On Weighted Stands With Adjustable Height Positions. 1 x Sony Central Speaker. If you would like to get in touch please do so via. Collection Will Be From Burntwood In Staffordshire.