... Echo/Folder track PMO SERIES PLASTIC CABNIET SPEAKERS FeaturesUnique rugged plastic enclosure with one handle ... Amplifier available:PMO**AUPMO**AUQPMO**AUEPMO**AUDAvailable ** :08 , 10 , 12 , 1512 , 1512 , 1512 , 15What included ... 10=10inch , 12=12inch , 15=15inch PMO08(08,10,12 or 15) is passive speakers PMO08A(08,10, ... 12 or 15) is active speakers WHO WE ...