There are actually 3 amps in the mach460 unit. Most people install an aftermarket headunit with the split harness that connects to the mach 460 amp setup.
"I'm not driving too fast...just flying too low"
-03 SB Cobra vert- 2552 of 5082 Born 02/25/03
90 7up vert - new project-07 DSG Focus -DD