AP4-FD21 Amplifier Integration Interface for Select Ford vehicles with 8.4” Radio and Factory Sony Amplified System Chevrolet-Spark-2021 Configure signal summing

Configure signal summing

Reinforced spider

Output Gain: -12dB to +24dB

2" BASV Voice Coil Former

Designed specifically for models with manual climate controls

AP4-FD21 Amplifier Integration Interface for Select Ford vehicles with 8.4” Radio and Factory Sony Amplified System Chevrolet-Spark-2021 Configure signal summingAmpPRO simplifies the installation of upgraded amplifiers in data bus controlled amplified sound systems. With AmpPRO, you can improve audio performance while keeping an original radios fit, finish and features. Benefits Simplifies amplifier installation Prevents need for summing and DSP devices Provides factory sound system upgrade solutionFeatures Can be used to upgrade the entire sound system or just part of it thanks to retention of original