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Hertz HSP3-24 A2B Base

4-Speaker Front and Rear Audio Upgrade Kit for select 2024 vehicles from Harley Davidson (with Base Audio) Includes 6x9" 3-Way Coaxial 4-ohm Speakers, 6.5" 2-Way Coaxial 4-ohm Speakers, 4-Channel Amplifier, and A2B Interface Module

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• System includes 6x9" coaxial speakers, 6.5" coaxial speakers, and 4-channel amplifier
• Also includes A2B interface module
• Compatible with select 2024 vehicles from Harley Davidson
• Designed for bikes with Factory Base audio package
• System is designed to withstand harsh outdoor environments
• Plug and Play design for easy installation
• Comes with all necessary mounting and installation hardware

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PRO-X6.4BMPK main

DS18 PRO-X6.4BMPK

1000W Peak (500W RMS) 6.5” PRO-X Series 4-ohm Pro Audio Component Speakers Set

4

Description


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Authorized dealer


Hertz HSP3-24 A2B Base

This premium audio system is a complete plug-and-play solution for bikes with the Factory Base audio package, featuring 6x9" and 6.5" Hertz coaxial speakers, a 4-channel Hertz amplifier, and a full set of installation accessories including wiring harnesses, an A2B interface module, and speaker lid kits. Designed for seamless integration with factory fit and finish, the system delivers powerful, weather-resistant sound with high sensitivity, wide frequency response, and durable construction. The amplifier offers flexible tuning with variable filters and bass boost, while the A2B module preserves all factory infotainment features.


Product Details:

  • System includes 6x9" coaxial speakers, 6.5" coaxial speakers, and 4-channel amplifier
  • Also includes amplifier wiring harness and A2B interface module for direct installation
  • Designed for bikes equipped with Factory Base audio package
  • Designed for Harley-Davidson's front and rear speaker locations
  • Engineered to match and compliment the factory fit and finish of your vehicle
  • Plug and Play design for easy installation
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
  • Compatible with select 2024 vehicles from Harley Davidson

Hertz SX 690 H 6x9" Coaxial Speakers

  • 6x9" SPL Show Series 3-Way Coaxial Speakers
  • Power Handling:
    • Peak: 520 watts per pair / 260 watts each
    • RMS: 260 watts per pair / 130 watts each
  • Designed for rear speaker locations
  • High-stiffness Pressed Paper cone material
  • Rubber speaker surround
  • 1.4" Tetolon Dome tweeters
  • 1" Tetolon dome super tweeters
  • 1.5" double layer copper voice coil on polyimide former
  • Neodymium magnet motor structure
  • Double fast on terminals allow daisy-chaining of multiple units
  • Built to withstand the rigors of the road with its weather-resistant design
  • Speaker built with innovative water/humidity resistant and anti-UV treatments
  • Impedance: 4 ohm
  • Frequency Response: 65 - 24000 Hz
  • Sensitivity: 94 dB
  • MFR #: SX 690 H

Hertz SX 165 NEO 6.5" Coaxial Speakers

  • 6.5" SPL Show Series Coaxial Speakers
  • Power Handling:
    • Peak: 400 watts per pair / 200 watts each
    • RMS: 200 watts per pair / 100 watts each
  • Designed for front or fairing speaker locations
  • Water-repellent Pressed Paper cone material
  • Rubber speaker surround material
  • 1.4" PEI (Polyetherimide) Dome tweeters with N38H neodymium magnets
  • Resettable solid-state tweeter protection circuit
  • 1.5" double-layer copper voice coil, wound on polyamide former
  • Special Neodymium N38 H magnet motor structure
  • Double fast on terminals for daisy-chaining of multiple units
  • Impedance: 4 ohm
  • Frequency Response: 100 - 20000 Hz
  • Sensitivity: 96.5 dB
  • MFR #: SX 165 NEO

Hertz SP 4.900 4-Channel Amplifier

  • Class D 2 ohm Stable 4-Channel Amplifier
  • Power Specifications
    • 4 ohm: 160 watts x 4 channel
    • 2 ohm: 250 watts x 4 channel
    • Bridged @ 4 ohm: 500 watts x 2 channel
  • Total RMS power output: 1000 watts
  • LED Power/Protect Light
  • CEA-2006 compliant amplifier
  • Ultra-compact size for easy installation
  • IP55 dust- and water-protection rating
  • Pulse Width Modulated MOSFET power supply
  • Speaker-level (high-level) inputs
  • 3-way protection circuitry (thermal, overload, and speaker short protection)
  • Frequency Response: 10 - 35000 Hz
  • Total Harmonic Distortion (THD): 1%
  • Signal to Noise Ratio: 105 dB
  • Variable low-pass filter: 50 - 5000 Hz
  • Variable high-pass filter: 50 - 5000 Hz
  • Variable Bass Boost: 0 - 8 dB
  • MFR #: SP 4.900

Hertz HD A2B Interface Module

  • Replaces factory amplifier
  • Includes easy plug and play connection cable
  • Uses the same A2B chip for seamless integration into the original system
  • Supports factory infotainment updates
  • Retains fader, EQ selection with DSP profiles, speed-controlled volumes
  • Also retains navigation announcement features
  • Built-in 31-band equalizer with 7-band parametric global equalizer
  • MFR #: HD A2B

Hertz HD24H Saddlebag Lid Kit

  • 6x9" Harley-Davidson Saddlebag Speaker Lid Kit and Harness
  • Includes HD24 saddlebag lid kit and HBH24 speaker harness
  • Black metal mesh speaker grilles and mounting equipment included
  • MFR #: HD24H

Hertz HHP 14 Power and Ground Wiring

  • Power and ground wiring cable
  • Made with high-quality copper wire construction
  • Color coded wires for easy installation
  • Plug and play wires, no cutting or modification required
  • MFR #: HHP 14

Compatible Vehicles


Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

The vehicle you have selected 2015 Lexus ES300h is not compatible. Change vehicle or See list of compatible similar products


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Specifications & Details


Front Speaker Specifications
Speaker Size
6-1/2"
Design
2-way Coaxial
Shallow Mount Installation
No
Tweeter Design
Dome
Tweeter Composition
PEI (Polyetherimide)
Woofer Composition
Water-repellent pressed paper
Woofer Surround
Rubber
Peak Power Handling
200 watts
RMS Power Handling
100 watts
Sensitivity
96.5 dB
Frequency Response
100 - 20000 Hz
Impedance (Per Voice Coil)
4 ohm
Top-Mount Depth (Mounting Depth)
2.28"
Rear Speaker Specifications
Speaker Size (Rear)
6" x 9"
Design
3-way
Shallow Mount Installation
No
Tweeter Design
Dome
Tweeter Composition
Teteron
Peak Power Handling
260 watts
RMS Power Handling
130 watts
Sensitivity
94 dB
Frequency Response
65 - 24000 Hz
Impedance (per voice coil)
4 ohm
Top Mount Depth
3.35"
Amplifier Power Specifications
RMS Power @ 4 ohms
160 watts x 4 channel
RMS Power @ 2 ohms
250 watts x 4 channel
Bridged RMS Power
500 watts x 2 channel
Amplifier Specifications
Amplifier Class
D
Number of Channels
4-Channel
Total RMS Power Output
1000 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
4 ohms
THD at Rated RMS Power
1%
Speaker Level Inputs
Yes
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
High-Pass Crossover Frequency
50 - 5000 Hz
Low-Pass Crossover Frequency
50 - 5000 Hz
Signal-to-Noise Ratio
105 dB
Bass Boost
0 - 8 dB
Remote bass/level controller
No
Fan Cooled
No
Fuse Rating
50A x 1 
CEA-2031 Compliant
No
Deals
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Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

HSP3-24A2BBase

Weight:

50.00lbs

Internal SKU:

hsp324a2bbase

Internal Product ID:

228308

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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.