Categories October Surprise 2024 MUD600-1 MONO BLOCK AMPLIFIER OWNERāS MANUAL – mtx.com Post author By Post date August 4, 2025 Connect a Remote Turn-On wire from the source unit to the MTX amplifierās (REM) wire. If the source unit does not have a dedicated Remote Turn-On lead, you may connect to the source unitās Power Antenna lead.