4 Speaker + Amplifier Audio Upgrade Kit for 1998-2013 Street Glide & Road Glide

If you're searching for a Harley Davidson stereo upgrade loud enough to hear while riding, the Hertz HSP3-13 Stage 3 audio system is one of the most complete upgrades available for Harley touring motorcycles.

This system replaces the factory speakers, adds powerful 6x9 saddlebag speakers, and powers the entire system with a dedicated motorcycle amplifier designed for high-output performance.

For many riders, installing a Stage 3 Harley audio system dramatically improves sound clarity, volume, and overall listening enjoyment while riding.

If you're located in Northeast Ohio, this system can also be professionally installed at Stereo Installs in Mentor, Ohio, a motorcycle stereo installation shop serving Harley riders throughout the Cleveland area.

Compatibility Snapshot

Product: Hertz HSP3-13 Harley Touring Audio System
System Type: Stage 3 Motorcycle Stereo Upgrade
Speaker Configuration: 4 Speakers + Amplifier

Fits the Following Harley-Davidson Models

1998-2013 Harley Davidson Street Glide
1998-2013 Harley Davidson Road Glide

Not Compatible With

Electric locking saddlebags

What This Harley Stereo System Upgrades

The HSP3-13 system upgrades three key parts of the Harley touring audio system.

Front Fairing Speakers

Factory speakers are replaced with Hertz SX-165-NEO 6.5-inch speakers, improving clarity and midrange performance.

Rear Saddlebag Speakers

Two Hertz SX-690-NEO 6x9 speakers are installed in the saddlebag lids to add powerful rear audio projection.

Dedicated Motorcycle Amplifier

The Hertz SP 4.900 amplifier powers the entire system, delivering clean output to all four speakers.

This configuration creates a balanced Harley touring audio system capable of producing clear music while riding at highway speeds.

Stage 3 Harley Audio System Explained

Harley motorcycle audio upgrades are commonly categorized into stages depending on how many components are upgraded.

Stage 1 

Front speaker upgrade

Stage 2

Front speakers + amplifier

Stage 3

Front speakers + amplifier + rear saddlebag speakers

The HSP3-13 kit delivers a complete Stage 3 Harley audio system, dramatically improving sound performance compared to factory Harley speakers.

Learn More About Harley Motorcycle Stereo Systems


Complete System Components

The HSP3-13 system includes multiple Hertz SPL Show components designed specifically for Harley touring motorcycles.

Amplifier

Hertz SP 4.900
4-channel Class-D motorcycle amplifier

Front Fairing Speakers

(2) Hertz SX-165-NEO
6.5-inch SPL motorcycle speakers

Saddlebag Speakers

(2) Hertz SX-690-NEO
6x9 high-output speakers

Installation Hardware & Integration Components

HD13DH saddlebag speaker lid kit
HBH14 speaker harness
HD13AP amplifier mounting bracket
HTHP13 T-power harness
speaker grilles
saddlebag cut-in template
installation hardware

These components allow the system to integrate with compatible Harley touring motorcycles.

Why Riders Upgrade Their Harley Davidson Stereo System

Many factory Harley audio systems struggle to maintain clarity once wind noise increases at highway speeds.

Upgrading to a high-output Harley motorcycle stereo system can provide:

• louder music while riding
• clearer vocals and instruments
• stronger bass response
• improved sound balance between front and rear speakers

For riders who spend long hours on the road, upgrading the stereo system can significantly improve the riding experience.

Installation Overview

Installing the HSP3-13 system typically includes:

• mounting the amplifier using the HD13AP bracket
• installing upgraded front fairing speakers
• cutting saddlebag lids using the included template
• installing 6x9 saddlebag speakers
• connecting the plug-and-play power harness

Professional installation ensures proper wiring, tuning, and reliable performance.

Harley Davidson Stereo Installation in Mentor Ohio

If you're searching for Harley Davidson stereo installation near Mentor Ohio, Stereo Installs specializes in professional motorcycle audio upgrades for Harley touring motorcycles.

We install Harley stereo systems for riders throughout Northeast Ohio including Mentor, Willoughby, Eastlake, Painesville, Mentor-on-the-Lake, Madison, Concord, Chardon, and Cleveland, serving customers across Lake County, Cuyahoga County, and Geauga County.

Stereo Installs

7471 Tyler Blvd STE B
Mentor, Ohio 44060

📞 (440) 525-2001

Our motorcycle audio services include:

• Harley Davidson stereo installation
• motorcycle amplifier installation
• saddlebag speaker installations
• Harley bagger audio upgrades
• complete motorcycle sound system builds

Serving Riders From Local Harley-Davidson Dealerships

Stereo Installs works with riders throughout Northeast Ohio who purchase their motorcycles from nearby Harley-Davidson dealerships. Many of our customers ride in from Rock-N-Roll City Harley-Davidson in Cleveland, South East Harley-Davidson in Bedford Heights, Adventure Harley-Davidson in Dover, and Lake Erie Harley-Davidson in Avon when they are ready to upgrade their motorcycle stereo system.

If you recently purchased a touring bike and are searching for a Harley stereo shop near Cleveland or Mentor, our team can help design and install a system that fits your motorcycle and riding style.

Why Riders Choose Hertz SPL Show Speakers

Hertz SPL Show speakers are engineered specifically for high-output powersports environments.

Advantages include:

• high-efficiency speaker design
• strong midrange clarity while riding
• durable outdoor materials
• high power handling

These characteristics help riders maintain clear sound even during long rides at highway speeds.

Frequently Asked Questions About the Hertz HSP3-13 Harley Stereo System

Do the saddlebag lids need to be cut to install the 6x9 speakers?

Yes. Installing the rear 6x9 speakers requires cutting the saddlebag lids using the included precision cut-in template. This allows the speakers and grilles to be mounted securely and positioned correctly for sound projection.

Many riders choose to have this work completed by a professional installer to ensure a clean and accurate fit.

Is this Harley stereo system plug-and-play?

The HSP3-13 kit includes a vehicle-specific power harness and amplifier mounting bracket, allowing the system to integrate with compatible Harley touring motorcycles with minimal wiring modifications. While the electrical connections are designed to simplify installation, the saddlebag speaker installation and amplifier mounting still require mechanical installation work.

Will this system work with my Harley factory radio?

Yes. The HSP3-13 system is designed to integrate with compatible Harley factory audio systems. The included amplifier and harness allow the upgraded speakers to operate with the existing radio while significantly improving the sound performance.

Can this system be expanded later with more speakers?

Yes. Many riders begin with a Stage 3 system like the HSP3-13 and later expand their motorcycle audio system with additional upgrades such as DSP processors, additional amplifiers, or upgraded fairing speakers.

How long does it take to install a Harley stereo system like this?

Installation time can vary depending on the motorcycle model and system configuration. In most cases, a professional Harley stereo installation for a system like the HSP3-13 can be completed in one full day.

Professional installation ensures proper wiring, speaker placement, and amplifier tuning for the best sound performance.

Do you offer Harley stereo installation near Cleveland or Mentor Ohio?

Yes. Stereo Installs specializes in Harley Davidson stereo installation in Mentor, Ohio, serving riders throughout Northeast Ohio including Cleveland, Willoughby, Eastlake, Painesville, and surrounding areas - get your QUICK QUOTE HERE.

Our shop installs motorcycle audio systems including amplifiers, saddlebag speakers, and complete Harley touring sound systems.

What makes Hertz motorcycle speakers different from regular car speakers?

Hertz SPL Show speakers are engineered specifically for high-output powersports environments. They are designed to maintain clarity in conditions where wind noise and engine noise would normally overpower traditional speakers.

These speakers feature high-efficiency designs and durable materials suited for motorcycle riding conditions.

Is the Hertz HSP3-13 a good upgrade for Harley bagger audio systems?

Yes. The HSP3-13 system is designed specifically for Harley touring motorcycles, including bagger models like the Street Glide and Road Glide. By upgrading both the front fairing speakers and adding rear saddlebag speakers with amplifier power, the system creates a full sound stage around the rider.

Learn more about Harley motorcycle stereo systems