The iDatalink HRN-AR-TO3 is a vehicle-specific amplifier replacement harness designed to connect a Maestro AR amplifier replacement module to select 2005-up Toyota and Subaru vehicles equipped with premium factory audio systems. This plug-and-play T-harness makes it easy to replace the factory amplifier with an aftermarket amplifier while retaining factory radio functionality and vehicle integration features. It's the ideal solution for improving sound quality without sacrificing OEM convenience. Features Designed for select 2005-up Toyota and Subaru vehicles with premium factory sound systems Connects directly to the iDatalink Maestro AR (ADS-MAR) or Maestro AR2 module Plug-and-play installation with no factory wire cutting required Retains factory radio operation and vehicle audio integration Maintains balance, fade, and tone controls Simplifies aftermarket amplifier installation Preserves factory wiring integrity Reduces installation time and complexity Ideal for upgrading factory amplified audio systems Specifications Part Number: HRN-AR-TO3 Product Type: Amplifier Replacement T-Harness Vehicle Compatibility: Select 2005-up Toyota and Subaru vehicles with premium audio systems Required Module: iDatalink Maestro AR (ADS-MAR) or Maestro AR2 (sold separately) Installation Type: Plug-and-Play Harness Application: Factory amplifier replacement and aftermarket amplifier integration Connection Point: Factory amplifier location Warranty: Manufacturer Limited Warranty What's Included HRN-AR-TO3 vehicle-specific amplifier replacement harness Factory amplifier integration connectors Speaker output harness Installation documentation