Hertz HSP1-13 Harley Audio Upgrade Kit for 1998–2013 Street Glide & Road Glide | Front Amp & Speaker System

If you're upgrading your 1998–2013 Harley Davidson Street Glide or Road Glide and want louder, clearer sound at highway speeds, the Hertz HSP1-13 audio kit is one of the most effective front-stage upgrades available.

This kit is designed for riders who want a major improvement over factory audio without building a full multi-speaker system. By combining a high-output amplifier with efficient 6.5" speakers, it dramatically increases volume, clarity, and overall listening experience while riding.

If your current system struggles to cut through wind noise, this upgrade solves that problem immediately.

Fits 1998–2013 Harley Davidson Touring Models

This kit is designed for:

• 1998–2013 Harley Davidson Street Glide
• 1998–2013 Harley Davidson Road Glide
• Batwing fairing speaker locations
• Factory radio integration

Plug-and-play components allow for clean installation without major modification.

What’s Included in the Hertz HSP1-13 Kit

This is a complete front audio upgrade system, engineered to work together for maximum performance:

• Hertz SP 4.900 4-Channel Amplifier – delivers clean, high-output power for increased volume and clarity
• Hertz SX 165 NEO 6.5" Coaxial Speakers (Pair) – high-efficiency speakers designed for motorcycle environments
• Plug-and-Play T-Harness (HTHP13) – simplifies installation without cutting factory wiring
• Amplifier Mounting Bracket (HD13AP) – ensures proper fitment on Harley touring models

Each component is matched for performance, efficiency, and reliability in motorcycle applications.

Why Riders Choose the HSP1-13 Audio Kit

Motorcycle audio systems face unique challenges:

• wind noise at highway speeds
• limited speaker size
• factory systems lacking power

The HSP1-13 solves this by upgrading both power and speaker efficiency at the same time.

Key benefits:

• significantly louder than factory Harley audio
• improved clarity and vocal detail
• plug-and-play design for clean installs
• designed specifically for Harley touring bikes
• reliable performance in outdoor conditions

Real Harley Audio Performance (What to Expect)

This kit is designed to be heard clearly while riding - not just sitting still.

With proper installation and tuning, riders experience:

• clear vocals at highway speeds
• stronger midbass response
• increased overall system volume
• improved sound projection

This is one of the most common entry-level Harley audio upgrades we install at our shop in Mentor, Ohio.

See Real Harley Audio Builds Using This Setup

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See how real-world installs improve performance, clarity, and overall sound quality.

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Watch: Harley Davidson Motorcycle Stereo Installation
This shows exactly what a properly upgraded motorcycle stereo system can do.

How This Kit Compares to Factory Harley Audio

Factory systems typically lack:

• amplifier power
• volume at speed
• clarity under load

The HSP1-13 improves performance by:

• adding dedicated amplification
• upgrading to high-efficiency speakers
• improving signal clarity and output

Common Harley Audio Upgrade Applications

This kit is ideal for:

• Harley front speaker upgrades
• Street Glide audio upgrades
• Road Glide fairing speaker upgrades
• entry-level motorcycle audio systems

Build a Complete Harley Audio System

This kit upgrades your front stage.

If you plan to expand later, you can add:

• saddlebag 6x9 speakers
• additional amplifiers
• DSP tuning

Browse Motorcycle Speakers for Harley Audio Systems 

Motorcycle Stereo Systems Explained

Installation & Fitment

This is a plug-and-play style kit, but proper setup is critical.

Key installation points:

• mount amplifier securely
• ensure clean power wiring
• verify speaker polarity
• tune amplifier correctly

Professional installation is recommended for best results.

Professional Harley Audio Installation in Mentor, Ohio

Stereo Installs specializes in Harley Davidson audio systems, bagger upgrades, and motorcycle stereo installations.

Stereo Installs
7471 Tyler Blvd
Mentor, Ohio

Call: (440) 525-2001

Serving Mentor, Cleveland, Willoughby, Lake County, and Northeast Ohio.

Motorcycle Audio Installation in Mentor Ohio 

Frequently Asked Questions

Will this fit my 2008 Street Glide?
Yes, this kit is designed for 1998–2013 Harley touring models.

Is this a full system?
No, this is a front-stage upgrade (amp + front speakers).

Do I need to cut wiring?
No, this kit includes a plug-and-play harness.

Is this louder than factory audio?
Yes, significantly louder with better clarity.

Can I upgrade later?
Yes, you can add rear speakers and expand the system.

Upgrade Your Harley Audio System

If you're ready to hear your music clearly while riding, the Hertz HSP1-13 is one of the best front-stage upgrades for 1998–2013 Harley touring models.

Not sure if this is the right system for your bike? Call us or request a quote and we’ll help design the best setup.

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