
Factory Harman Kardon Retained + KICKER Bass
The factory Harman Kardon system stayed in place while a KICKER loaded dual 10-inch L7T enclosure and KICKER LX3000.1 were added.
Sometimes the right answer is a new radio. Sometimes the factory screen and controls need to stay and the new audio system gets integrated after them. These are real SMS builds showing both paths—source upgrades, retained cameras and steering-wheel controls, and factory systems feeding aftermarket amplifiers and DSP.
The goal is not to replace factory electronics just because aftermarket parts exist. We look at the functions that have to stay, the signal the audio system needs, and what the customer actually wants to gain.

The factory Harman Kardon system stayed in place while a KICKER loaded dual 10-inch L7T enclosure and KICKER LX3000.1 were added.


A subwoofer amplifier was installed with a Sony XAV-AX8500 10.1-inch radio and Maestro, retaining the factory steering-wheel-control functions. Oxygen-free-copper wiring was used to power the system.


The Ram received a CarPlay-ready Jensen with a 10.1-inch screen. The door and rear-cab speakers were upgraded to KICKER KS coaxials.

The factory radio was replaced with a Stinger HEIGH10, adding a 10-inch screen, Apple CarPlay and Android Auto.

The Sony XAV-AX3200 added Apple CarPlay, while iDatalink Maestro retained the steering-wheel controls and backup camera.

The stock radio was upgraded to a Sony XAV-AX8100 with Apple CarPlay and Android Auto while retaining the steering-wheel functions.

The Bose system was integrated into the aftermarket audio system with an ARC Audio FALCON for digital signal processing and system amplification.

A Mosconi DSP was used with the factory Bose signal in this 2020 Chevrolet Silverado before the upgraded system was tuned.


The Audi A3 received an L7 R-Series Solo-Baric 12-inch subwoofer powered by an 800-watt amplifier.

The 2014 Road Glide was upgraded to the Soundstream Reserve Si radio, adding CarPlay and Android Auto. The radio also serves as the source for the aftermarket amplifiers.

SMS installed a Sony XAV-AX4000 radio and added a reverse camera, useful with the large spare tire on the rear of the Jeep.

The C10 uses a Sony XAV-AX8100, Mosconi Atomo tuned with GA-Barnie to a custom house curve, OFC wiring and RCA, three MMATS 6.5-inch Dreadnaut subwoofers on an LSX 2000.1, and eight MMATS PA 6.5-inch coaxials on an LSX 1400.4.

The factory head unit was replaced with a Sony XAV-AX4000 and iDatalink Maestro to retain OEM functions and display vehicle data on the aftermarket radio.

A Stinger HEIGH10 was installed in this 2004 GMC Yukon, replacing the original source with a modern large-screen radio.

iDatalink Maestro and ARC Audio were used for OEM integration in this 2022 Wrangler 4xe.

The Toyota was upgraded with Android Auto and Apple CarPlay, adding GPS navigation and on-screen maps.
Radio and OEM-integration work makes more sense when you can see the retained factory functions and the finished system instead of just looking at a radio on a bench.