Phoenix Gold ZXMISOT1 1M ISO-T harness when installing the ZXM500.4 amplifier.

Phoenix Gold ZXMISOT1 – 1M ISO-T Harness is the perfect accessory when installing the ZXM500.4 amplifier.

This 100cm long plug-and-play harness is installed between the amplifier and vehicle, taking high-level input signal from the car and passing it through the amplifier and sending it to the speakers, giving you extra power.