Attenuators Click Here to know the glossary : ATT-0201 Attenuator Rated 20WLine Voltage: 100VSwitch Position: 11 + OFFABS ATT-0201/3 Attenuator / Tri-Wire system Rated 20WLine Voltage: 100VSwitch Position: 11 + OFFABS ATT-1001P Attenuator with Relay Rated 100WLine Voltage: 100VSwitch Position: 11 + OFFABS