Polk Audio RM6750 5.1-Channel Home Theater Speaker System for $149.99 shipped after code EMCYTZT3545. Here is a screenshot for reference. It includes four satellite speakers that have 3-1/4″ polymer composite cone driver construction, a center speaker that houses the two drivers, and an 8″ subwoofer. This set is very well as 91% of all users have rated it 4/5 and 5/5. Most places have it for about $199.