The iDatalink Maestro HRN-RR-SU2 is a vehicle-specific plug-and-play T-harness designed for select 2012-up Subaru vehicles. Engineered to work with the Maestro ADS-MRR or ADS-MRR2 integration modules, the HRN-RR-SU2 allows seamless installation of an aftermarket radio while retaining important factory features such as steering wheel controls, factory amplifier functionality, backup camera retention, vehicle settings, and advanced vehicle data integration on compatible Maestro-ready head units. Features & Highlights Vehicle-specific Subaru radio replacement T-harness Designed for select 2012-up Subaru vehicles Compatible with Maestro ADS-MRR and ADS-MRR2 modules Plug-and-play installation design Retains factory steering wheel controls Retains factory amplifier functionality Retains factory backup camera on supported vehicles Supports vehicle information and gauges on compatible radios Provides navigation outputs: Reverse trigger Parking brake Vehicle speed sense (VSS) Compatible with Maestro-ready Alpine, Kenwood, JVC, Pioneer, and Sony radios Simplifies aftermarket radio installation and OEM integration Specifications Specification Details Product Type Radio Replacement T-Harness Manufacturer iDatalink Maestro Model Number HRN-RR-SU2 Vehicle Compatibility Select Subaru Vehicles Vehicle Years 2012+ Required Module ADS-MRR or ADS-MRR2 Steering Wheel Control Retention Yes Factory Amplifier Retention Yes Backup Camera Retention Supported Installation Style Plug-and-Play Head Unit Compatibility Maestro-Compatible Radios Firmware Flash Required Yes Compatible Vehicle Applications Common supported Subaru applications include: Subaru BRZ Subaru Crosstrek Subaru Forester Subaru Impreza Subaru Legacy Subaru Outback Subaru WRX Subaru STI Subaru XV Crosstrek Compatibility varies depending on Harman Kardon systems, factory screen size, and trim level. Important Installation Notes Requires Maestro ADS-MRR or ADS-MRR2 module (sold separately) Requires compatible Maestro-ready aftermarket radio for full functionality Maestro module must be flashed with vehicle-specific firmware before installation Harman Kardon-equipped vehicles may require additional setup Professional installation recommended for full OEM feature retention