PAC Audio PAC Audio AmpPRO 4 Advanced Amplifier Interface

Upgrade Solution For Factory, Fixed Level, Data-Bus Controlled Sound Systems; Variable Volume, Fade, Balance, Bass, Mid, And Treble Audio Settings; Retains Bluetooth, Navigation, Safety System And All Warning Chimes Audio; Front, Rear, Sub Preamp Outputs (5 Volt RMS); Plug-n-Play Installation With 28pin, 10pin And 6pin Factory Matched Harness; Select 2012-2018 Toyota And Lexus Vehicles With JBL Or Premium Amplified Sound Systems