JL Audio – HD-PWRPLUG2-4AWG-RP Replacement Power Plug (Type 1)

Replacement small power input plug for select HD and MHD Amplifiers:

Fits the following models only:
HD600/4
HD900/5
HD750/1 (excluding HD750/1 with Serial Numbers > #108034000001, which use )
MHD600/4
MHD900/5
MHD750/1 (excluding MHD750/1 with Serial Numbers > #153034000001, which use )

Corresponding plug shroud on applicable amplifiers has phillips head screws.

Need additional information on selecting the correct plug?