This is the Idatalink Maestro HRN-AR-EXT4 AR / DSR1 Amplifier Relocation Harness, 4 Meters, 13.12 Feet in length.
4-meter extension harness to relocate Maestro amplifier replacement module and new amplifier. Ideal for when the factory amplifier is installed in a location without enough space for the new amplifier/DSP.