PAC AP4-FD21 | AmpPRO 4 Amplifier Integration InterfaceProduct highlights: amplifier integration module and T harness add an aftermarket amplifier without removing factory amp works with select 2012 up Ford vehicles 6 channel RCA outputs (front, rear, subs) switchable 5 or 4 volt RMS output retains factory radio controls and audio features wired remote level control for sub channels remote turn on lead for amplifiers AmpPRO PC App, available from PAC, lets you adjust minimum and chime volumes and 3 band

CS Series CST20

includes Alpine Restyle package with all installation parts

2 auxiliary)

APP operating range 60 feet (20m) unobstructed

front auxiliary input

32GB SD Card Included

Frequency Response: 20Hz-500Hz

Optional parking line with "ON/OFF" switch

Voice Coil Diameter: 2″

so your speakers fit perfectly behind factory grilles

With Universal Switch- Clear

High-Roll Sandwich Surround