Jamo A320 HCS6 Home Theater Speaker System (Set of Six, Black) (Discontinued by Manufacturer) Four A320 compact satellite speakers with a 3.75" woofer and a 1" tweeter One A 3CEN .4 with two 3.75" woofers and a 1" tweeter. One SUB 200 with 8" long-throw woofer unit Frequency Range: 36-20000Hz Unique slotted port cabinets