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Cicada Audio  |  SKU: HDPKG1675

Cicada Audio CM A2B Stage 2 Ultimate Plug & Play Amp And Speaker Package with Subwoofer Kit For 2024-Up Harley Davidson® Road Glide Base Models and CVO Road Glide ST

$000 USD
Taxes, discounts and shipping calculated at checkout.


Can you hear your factory Harley speakers loud and clear at highway speeds?
We didn’t think so.

Tired of blowing those factory speakers just trying to hear them?
Of course you are! These are common issues we hear at Volunteer Audio, and we’re here to offer a solution that will blow you away.

Our Volunteer Audio Stage 2 amplifier and speaker system is designed to transform your audio experience. With this setup, you’ll enjoy music that’s loud and clear even at speeds up to 100 mph!

What Makes This System Exceptional?

  • Weather-Resistant Components: The Cicada Audio speakers feature weather-resistant cones that can withstand moisture and the elements, perfect for Harley Davidson environments.

Package Includes:

  • Pre-Wired Amplifier: Gains and filters are adjusted perfectly for your factory Skyline OS Infotainment radio.
  • Volunteer Audio HD-A2B8 Interface: Seamlessly integrates with your Harley Davidson expertly tuned for Cicada Audio systems. 
  • 1 Pair of Cicada Audio CM65.4X 6.5” Upper Fairing Speakers: High-quality replacements for your factory speakers.
  • 1 Pair of Cicada Audio RR075T 0.75" Ring Radiator Horm Tweeters
  • 1 Pair of Cicada Audio 24CHDRGGT-075 Upper Fairing Grilles: These high-quality metal mesh grilles protect your speakers and keep the sleek look of your bike intact that allow you to add Cicada Audio 0.75" Tweeters.
  • Battery Upgrade: A lithium battery is required for these packages to support the extra power demands of your new system. 

Why Choose Volunteer Audio?

  • Pre-Configured Kit: We complete all the prep work, setting gains and filters so you don’t have to. The kit arrives as close to finished as possible, making installation straightforward.
  • Easy Installation: Includes mounting hardware and clear step-by-step videos. You only need to mount the amplifier, connect the wiring to under the seat and battery, and install the speakers.
  • Lifetime Tech Support: We offer lifetime support for any items purchased from us, ensuring you get the help you need.

Hertz / Cicada Audio Subwoofer Kit

Introducing the Hertz / Cicada Audio Add-On Subwoofer Kit—your new add-on bass solution built for our plug-and-play Cicada Audio CXK 2-speaker and 4-speaker kits for 2024+ Base Model Street Glides / Road Glides and CVO Road Glide ST.

This ported and braced dual-10" subwoofer kit transforms your saddlebags into true bass enclosures using the included cut-in template. The 10" subs mount directly into the bag itself, delivering the deep, low-frequency punch your 6×9 speakers can’t reach.

Kit includes disconnect harness to still allow for easy removal of saddlebag.

⚠️ Important Note:
This subwoofer kit is compatible only with our existing plug-and-play Cicada Audio CXK Series 2-speaker and 4-speaker kits when running from a single amplifier. These kits also require the XS Power Titan8 battery to support the extra demands of the system.

What's Included:

  • (2) Hertz MPS 250 S2 10" Subwoofers – Powerful 2-ohm subs delivering deep, controlled bass with 300W RMS per speaker.
  • Cicada Audio 24HDRING10 – Left & Right precision mounting rings for perfect saddlebag integration.
  • Cicada Audio 24HDRINGT – Left & Right trim rings for a complete, sealed fit.
  • Cicada Audio 24HDPORT3 – Pair of Flush-mount, ABS-molded ports for optimized airflow and stronger low-end output.
  • Plug-and-Play Wiring – easily ties into the FLX2000.4 amp.
  • Hardware Pack – All stainless hardware needed for a clean, secure install which includes: (16) 8-32 x 1.25 inch screws, (16) #8 Washers, (16) 8-32 Lock Nuts
  • Custom Milling and Routing- For milling outside of the subwoofer and router opening of the 24HDRING10, to accept the Hertz MPS 250 S2 subwoofer speakers.



HD-A2B Amplifier Replacement Interface

Compatibility:
 
• Designed for Harley-Davidson models equipped with the Skyline OS Infotainment Unit.
 
 
Purpose:
 
• Allows for the removal of the stock amplifier.
• Facilitates the installation of higher power aftermarket amplifiers.
• Maintains compatibility with factory-installed Rockford Fosgate subwoofers and rear-mounted secondary amplifiers.
 
 
Manufacturer:
 
• Designed and manufactured by SeirenHD exclusively for Volunteer Audio.
• Engineered and manufactured in the USA.
 
 
Pre-Tuned for Plug-and-Play Performance
 
The HD-A2B8 interface from Volunteer Audio and SeirenHD is ready to install right out of the box—no tuning required for standard systems.
 
Already optimized for immediate use:
•  Flat EQ Curve – Delivers a clean, uncolored audio signal
• Pre-Set Output Levels – Optimized to run clean at full volume with zero clipping
•  Speed-Controlled Volume – Fully retained and pre-configured to match factory behavior
• Fader Support – Works immediately without any setup
• All Factory Features Intact – Including navigation prompts, radio EQ selections, and more
 
Tuning is optional, only necessary when:
• Activating crossovers
• Using the 31-band or 10-band EQ to customize for specific speaker setups
• Adjusting time alignment or per-channel output levels
 
 
Plug-and-Play Harnessing
 
The HD-A2B8 includes a harness that connects directly to all factory speaker wiring with zero modification to your motorcycle.
 
For expanded setups, additional plug-and-play harnessing is available below:
• Underseat Harness – Pins into the factory plug on base model bikes
• Lid Disconnect Harness – Clean, quick-disconnect solution for 6x9 lid speaker installations
• Tour Pack Harness – Adds plug-and-play rear audio for tour pack installations
• Lower Fairing Harness – Simple solution for adding speaker pods to your lower fairings
 
All harnessing options are pre-configured and labeled for quick installation and available for purchase below.
 
 
Integration Features:
 
• Utilizes the OE A2B chip for seamless factory integration
• Supports all factory infotainment updates
• Retains full factory functionality, including:
 • Fader
 • EQ selections with DSP profile adjustments
 • Speed-controlled volume
 • Navigation prompts
 • Digital A2B subwoofer output for HD Audio by Rockford systems
 
 
DSP Specifications:
 
• 10 Output Channels with Full DSP Control:
 • 8 Analog RCA Outputs
 • 2 Digital A2B Outputs (for Rockford subwoofers)
• Equalization:
 • Per-channel 31-band graphic EQ or 10-band parametric EQ
 • Global 7-band parametric EQ mirrors infotainment custom EQ settings
• Time Alignment:
 • Independent delay settings for every channel
• Crossover Control:
 • Independent high-pass and low-pass filters per output pair
• Level Adjustment:
 • Individual channel-level control for precise tuning
 
 
Technical Specifications:
 
• RCA Outputs:
 • 8 Channels, 4v RMS
 • Front, Rear, Subwoofer, and Auxiliary output configuration
• Frequency Response: 20 Hz – 24 kHz
• Signal-to-Noise Ratio: 112 dB
• DSP Resolution: 32-bit
• Operating Voltage: 6–28 volts
• Current Draw:
 • Idle: 14 µA
 • Full Power: 300 mA
• Warranty: 1 Year
 
 

Ready to Elevate Your Ride?

At Volunteer Audio, we’re committed to providing you with an amazing sound system for your Harley Davidson. Our Stage 2 package is designed for top-notch performance and durability, transforming your motorcycle into a high-quality audio experience. Ready for a sound transformation? Let us help you get there!

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