Have you already upgraded your speaker system but now want more?
We figured that would happen…
We know that once you upgrade the front speakers you love it so much you just
want to add more sound! We have come up with more packages to add speakers in
the rear saddlebags or add lower fairing speakers to get a fuller sounding system.
As always, our Hertz speaker and amplifier package will give you a sound
experience you will be blown away with! Are you ready to upgrade your 2-speaker
system to a 4-speaker system?
This package will allow you to use the Hertz amplifier you have already purchased
and are using to power your front speakers. The amp is already wired and ready for
the addition of the new speakers; you will just have to connect a harness to a
factory connector in your front fairing and run it to down the backbone of the bike
to the back of the seat where it will tie into another set of wiring that will allow you
to hook up the aftermarket speakers in your saddlebags. This combination is a
perfect match for the environment of your Harley Davidson. SX690NEO speakers
have weather-resistant cones that will stand up to any moisture that comes their
This Volunteer Audio Rear Add-on Hertz speaker system includes SX690NEO 6×9”
SPL Show speakers plus Kicker CVO Style lids that will hold 1 pair of 6×9” speakers.
These lids come unpainted so they can be factory color matched to your Harley. All
necessary wiring you need to connect the speakers without altering any of your
factory wiring is also included. .
We have several different add-on packages for your Harley audio so that you can
upgrade in steps. So, when you are ready for the next step in building your dream
audio system for your Harley, check back with us about making your system into a
Stage 6, Stage 8 or even a Stage 10 speaker system! Whether you would like to
enjoy music while out riding through the country or compete in sound competitions
we have the package that is just for you!
If you do not have a Technoresearch dealer near you, we do offer a loaner tool
program so that you can flash the radio yourself.
• 2014-2021 Harley-Davidson Electra Glide :
• 2014-2021 Harley-Davidson Road Glide :
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• 2014-2021 Harley-Davidson Street Glide :