Oris 200 horn, BD-Design. AERnd -BD drivers. Rythmik audio subwoofer amp modified to maximum crossover 250-300 Hz by Rythmik .BD-15 woofers. Reference compact Bass Bin Condition good.Chicago area pick up only. Reason for sale: downsizing system More pictures available upon request. Sun audio BTE 300B monoblock and Western Electric 300B tubes with Placette 3 input volume control also available.