On Sale Audison APBX 8AS Audison MSRP: $680.00 Now: $579.99 Was: $599.99 Audison APBX 8AS The Prima APBX 8 AS active subwoofer, with 8-inch driver,features a dedicated high performance amplification module which enhances all the passive box technologies, such as the... MSRP: $680.00 Now: $579.99 Was: $599.99