Your search for car audio amplifier installation returned the following:

Connect a new car stereo and retain factory steering wheel audio controls, entertainment system, and amp in select 2004-up Chrysler models

IN STOCK

22 people say 

• install an aftermarket receiver in select 2004-up Chrysler/Dodge/Jeep vehicles
• retains your steering wheel audio controls, vehicle's entertainment system, and the use of your factory amplifier
• supports RAP (Retained Accessory Power) and VSS (Vehicle Speed Sensor), illumination, reverse trigger, and parking brake for navigation receivers

Retain the factory steering wheel audio controls and amp with a new car stereo for select 2006-up Ford, Lincoln, Mercury, and Mazda vehicles

IN STOCK

4 people say 

• works with Maestro ADS-MRR module to allow installation of new receiver in select Ford-built vehicles
• retains the use of your steering wheel audio controls

Allows you to connect a new car stereo and retain the Bose® audio system in select 1993-up Mazda vehicles

IN STOCK

12 people say 

• Lets you integrate a high-powered aftermarket receiver into select 1990-up Mazda vehicles with the Bose system
• compatible with high-power receivers
  

Connect a new stereo and retain steering wheel audio controls, rear seat entertainment system, and factory amp in select 2002-up VWs

IN STOCK

3 people say 

• supplies connections for navigation receivers and accessory power
• fader ability is lost with amplified systems
• supports RAP (Retained Accessory Power)

Connect a new stereo and retain steering wheel audio controls, entertainment system, safety warning chimes, and factory amp in select 2008-up Mazdas

IN STOCK

1 person says 

• works with your Mazda's base or premium stereo systems
• also retains your message display, so you can access your vehicle's system settings
• retains steering wheel audio controls, the factory entertainment system if present, and safety warning chimes

Connect a new stereo and retain the factory Rockford Fosgate audio system in select 2007-up Mitsubishi vehicles

IN STOCK

1 person says 

• install a new stereo in 2007-up Mitsubishi vehicles while retaining use of the factory Rockford Fosgate audio system
• provides VSS (Vehicle Speed Sensor), parking brake, and reverse functions for installing a navigation receiver