Hertz SX 165 NEO Motorcycle Speakers | 6.5" SPL Coaxial Speakers for Harley & Powersports Audio

If you're building a motorcycle audio system that can actually be heard at highway speeds, the Hertz SX 165 NEO 6.5" SPL coaxial speakers are engineered for high-output performance in demanding environments.

Designed for Harley Davidson motorcycles, bagger audio systems, UTVs, and powersports applications, these high-efficiency speakers deliver loud, clear sound with minimal power while maintaining durability in outdoor conditions.

If you're planning your system or comparing components, learn how everything works together in our

Motorcycle Stereo Systems Explained

Whether you're upgrading your Harley fairing speakers or building a complete motorcycle stereo system, the Hertz SX 165 NEO provides the output, clarity, and reliability riders need.

Hertz SX 165 NEO 6.5" motorcycle speakers designed for Harley fairing audio upgrades

Why Riders Choose the Hertz SX 165 NEO Speakers

Motorcycle audio systems face challenges that traditional car speakers cannot handle. Wind noise, engine vibration, and open-air riding environments require speakers designed specifically for high-output performance.

The Hertz SX 165 NEO is built for these conditions, offering exceptional sensitivity and power handling so your music stays clear even at highway speeds.

Key advantages include:

• High-efficiency design for louder output with less power
• Engineered for motorcycle and powersports environments
• Clear midrange and high-frequency response without separate tweeters
• Compact design for Harley fairings and tight installs
• Durable materials for outdoor and high-vibration conditions

Compact neodymium motor design for high-output motorcycle audio systems

Are These the Right Motorcycle Speakers for Your Build?

If you're searching for:

• loud motorcycle speakers that can be heard at highway speeds
• Harley Davidson fairing speaker upgrades
• high-output 6.5 motorcycle speakers
• speakers that work with motorcycle amplifiers

The Hertz SX 165 NEO is designed specifically for these applications, delivering the volume and clarity needed for real-world riding conditions.

Key Features of the Hertz SX 165 NEO

• 6.5" SPL coaxial speaker pair designed for high-output systems
• High sensitivity (97 dB) for maximum volume with less amplifier power
• 150W RMS power handling with proper crossover setup
• Neodymium magnet for compact size and strong output
• Water-resistant treated paper cone for outdoor durability
• Wide frequency response optimized for vocal clarity
• Designed for motorcycle fairings, UTVs, and powersports installs

Technical Specifications

Speaker Size
6.5" (165mm)

Power Handling
150W RMS / 400W Peak

Impedance
4 Ohm

Sensitivity
97 dB

Frequency Response
100 Hz – 10 kHz

Voice Coil
1.5" Copper

Magnet Type
Neodymium

Cone Material
Water-repellent pressed paper

Mounting Depth & Fitment
Verify before installation

Rear connection terminals for clean and secure motorcycle speaker installation

Hertz SX 165 NEO vs Standard Motorcycle Speakers

Most factory or entry-level motorcycle speakers struggle with:

• low volume at highway speeds
• distortion at higher output levels
• poor durability in outdoor environments

The Hertz SX 165 NEO solves these problems with:

• higher sensitivity for more output per watt
• SPL-focused design for loud, clear sound
• durable materials built for powersports environments

Designed for Motorcycle & Powersports Audio Systems

These speakers are commonly used in:

• Harley Davidson fairing speaker upgrades
• Bagger audio systems (Street Glide, Road Glide)
• Motorcycle stereo systems built for highway riding
• UTV and off-road audio systems
• Compact high-output speaker upgrades

Build a Complete Motorcycle Audio System

For best performance, pair these speakers with:

• a high-output motorcycle amplifier
• proper crossover tuning
• upgraded wiring and installation

This ensures maximum clarity, volume, and long-term reliability.

Browse Motorcycle Amplifiers for High-Output Audio Systems 

If you're still learning how to design your system:

Motorcycle Stereo Systems Explained 

Installation & Fitment

Proper installation is critical for achieving the best performance from your motorcycle speakers.

Key considerations:

• Use a high-pass crossover (150Hz @ 12dB/oct recommended)
• Confirm mounting depth and cutout dimensions
• Ensure proper amplifier tuning to avoid distortion
• Consider weather exposure and speaker protection

For best results, professional installation ensures optimal performance and system longevity.

See These Speakers Installed in a Harley Audio System

Professional Motorcycle Audio Installation in Mentor, Ohio

Stereo Installs specializes in motorcycle stereo systems, Harley audio upgrades, and high-performance speaker installations.

We install motorcycle speakers, amplifiers, and complete audio systems designed to perform at highway speeds.

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 these speakers work on a Harley Davidson?
Yes. These are commonly used in Harley fairing speaker upgrades and bagger audio systems.

Do I need an amplifier for these speakers?
An amplifier is recommended to achieve maximum volume and clarity at highway speeds.

Are these speakers weather resistant?
Yes. The treated cone material is designed for outdoor and motorcycle environments.

Do these include grilles?
Grilles are typically not included. Consider protection depending on your install location.

Will these speakers be loud enough without an amplifier?
They can operate on lower power, but an amplifier is strongly recommended for best performance.

Are these better than factory Harley speakers?
Yes. These are designed for significantly higher output and clarity in open-air riding conditions.

Upgrade Your Motorcycle Audio System

Pair the Hertz SX 165 NEO with the right Hertz amplifier and installation for maximum performance.

Not sure if these speakers are right for your bike? Call us or request a quote and we’ll help design the perfect system.

Hertz SX 165 NEO SPL Speakers | Harley-Davidson Audio Upgrade in Mentor Ohio 

Shop Motorcycle Speakers for Harley Audio Systems 
Browse Motorcycle Amplifiers for High-Output Audio Systems 

Get a Motorcycle Audio Installation Quote 

Hertz SX 165 NEO SPL Speakers | Harley-Davidson Audio Upgrade in Mentor Ohio