HP-1000 : Power amplifiers 2 x 500W FBT HP-1000-PCB BOARD : PCB board HP 1000 FBT HP-2080 : Power amplifiers 2 x 500W HP-2100 : Power amplifiers 2 x 500W HP-400 : Amplifiers 2 x 200W FBT HP-600 : Amplifiers 2 x 300W FBT