AP4-FD21 discontinued no longer available
Also available for fast, easy installation: APH-FD01 harness (sold separately)
- Simplifies amplifier installation
- Prevents the need for summing and DSP devices
- Provides factory sound system upgrade solution
| Manufacturer | Model | Note | Year From | Year To | Headunit | Connection |
|---|---|---|---|---|---|---|
| Ford | Edge | All trim levels | 2015 | 2017 | 8.4" Sony amplified | OEM Specific |
| Ford | Escape | All trim levels | 2016 | 8.4" Sony amplified | OEM Specific | |
| Ford | Expedition | All trim levels | 2015 | 2017 | 8.4" Sony amplified | OEM Specific |
| Ford | Explorer | All trim levels | 2011 | 2018 | 8.4" Sony amplified | OEM Specific |
| Ford | F-150 | All trim levels | 2013 | 2017 | 8.4" Sony amplified | OEM Specific |
| Ford | F-250 | All trim levels | 2013 | 2019 | 8.4" Sony amplified | OEM Specific |
| Ford | F-350 | All trim levels | 2013 | 2019 | 8.4" Sony amplified | OEM Specific |
| Ford | F-450 | All trim levels | 2013 | 2019 | 8.4" Sony amplified | OEM Specific |
| Ford | F-550 | All trim levels | 2013 | 2019 | 8.4" Sony amplified | OEM Specific |
| Ford | Focus | All trim levels | 2012 | 2017 | 8.4" Sony amplified | OEM Specific |
| Ford | Fusion | All trim levels | 2013 | 2016 | 8.4" Sony amplified | OEM Specific |
| Ford | Mustang | All trim levels | 2019 | 2020 | 8.4" Sony amplified | OEM Specific |
| Ford | Taurus | All trim levels | 2013 | 2015 | 8.4" Sony amplified | OEM Specific |




