Motorcycle Audio System Upgrade for 2018 Harley-Davidson Street Glide

A local client visited Extreme Audio in Midlothian to inquire about upgrading the audio system on his 2018 Harley-Davidson Street Glide motorcycle. As with most Harley owners, he wasn’t happy with the sound of the factory Boom! Box stereo system and wanted something that played louder and was much clearer. Because we’ve worked on dozens of these bikes, we showed the client several amplifier and speaker upgrade options and let him choose a performance level that suited his expectations. With a plan in place, the client turned the bike over to our team of expert technicians.

Motorcycle-Specific Harley-Davidson Audio Amplifier

The upgrade on this touring bike is based around the ARC Audio Moto 600.4 amplifier. While there are several other compact amplifiers on the market, none has the features and performance of the Moto series. From the fairing-specific design of the heatsink to the class-leading >91% efficiency and amazing power output, this amplifier not only sounds great but lets clients crank up the volume without fear of distortion.

We mounted the amplifier above the factory-installed Boom! Box radio. Dedicated power and ground cabling to the battery and each of the speakers ensures that the system will sound great and perform reliably for the client. As you can see from the photos, all the wiring is neat and tidy and is protected and secured in place to prevent buzzes or rattles while cruising the interstate.

ARC Audio Moto Speakers

The front speakers were upgraded with ARC Audio coaxials.

The bag lids were the perfect spot for the rear speaker upgrade.

The wiring for the rear speakers was neat and tidy.

For front speakers, we replaced the factory drivers in the front fairing enclosures with a set of Moto 602 coaxial drivers. These speakers feature a genuine weather-resistant design so they will perform reliably, even if the owner gets caught in the rain. The speakers bolt directly to the factory fastener locations to make the installation reliable.

For rear speakers, we used a set of matching ARC Audio Moto 692 6-by-9-inch speakers with the bag lid covers. A set of 5×7 to 6×9 mounting adapters allows the larger speakers to function perfectly, and using those adapters eliminated the need for any custom work that might include painting.

Richmond’s Motorcycle Audio Experts

With the equipment installed, our technicians wrapped up the project by setting the level controls and crossovers on the amplifier to ensure the volume can be cranked without any distortion or clipping. The client returned to Extreme Audio and was thrilled with the upgrade. It sounds great and plays nice and loud! If you are looking for help in upgrading the sound system on your motorcycle, visit the aftermarket audio experts at Extreme Audio in Midlothian or Mechanicsville. If you can’t drop by the store, give us a call or send an e-mail using our contact page. One of our Product Specialists would be happy to assist you!