{"product_id":"velocity-premium-a2b-stage-4-plug-play-amp-and-speaker-package-for-2026-harley-davidson®-street-glide-limited-and-street-glide-3-limited-motorcycles","title":"Velocity Premium A2B Stage 4 Plug \u0026 Play Amp And Speaker Package For 2026 Harley Davidson® Street Glide Limited and Street Glide 3 Limited Motorcycles","description":"\u003cp\u003eTired of struggling to hear your factory Harley speakers at highway speeds? Or constantly replacing blown speakers? You’re not alone!\u003c\/p\u003e\n\u003cp\u003eAt Volunteer Audio, we understand these common frustrations, and we’ve created a solution that will revolutionize your riding experience. Our \u003cstrong\u003eVelocity Razor Stage 4 amplifier and speaker system\u003c\/strong\u003e ensures your music sounds incredible, even at highway speeds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Choose the Volunteer Audio Stage 4 System?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExceptional Sound Clarity:\u003c\/strong\u003e The Velocity Razor system delivers powerful, clear audio, allowing you to enjoy your favorite music without distortion, even at highway speeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Upgrade:\u003c\/strong\u003e Keep your factory radio while dramatically improving your sound system. Our prewired Velocity Razor Pro amplifier is configured for optimal performance with your factory Skyline OS Infotainment radio.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e The compact Velocity Razor Pro amplifier is designed for demanding motorcycle audio applications, while the Velocity Razor Coax Neo speakers are built to provide reliable, high-output performance in motorcycle environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat’s Included in the Stage 4 Package?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrewired Velocity Razor Pro RZP1500.4 or RZP2000.6 Amplifier:\u003c\/strong\u003e Gains and filters are professionally adjusted specifically for your factory Skyline OS Infotainment radio.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 Pair of Velocity Razor Coax Neo RCN65 6.5” Upper Fairing Speakers:\u003c\/strong\u003e High-output neodymium coaxial speakers designed to deliver crystal-clear vocals, detailed highs, and powerful midbass at highway speeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 Pair of Velocity Razor Coax Neo RCN65 6.5” Tour Pack Speakers:\u003c\/strong\u003e Matching high-output neodymium coaxial speakers that provide excellent rear fill and balanced sound for both rider and passenger.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVelocity Razor Power\/Ground Harness:\u003c\/strong\u003e Ensures clean, reliable power and grounding for optimal amplifier performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolunteer Audio HD-A2B8 Interface:\u003c\/strong\u003e Seamlessly integrates with your Harley-Davidson®, expertly tuned for Velocity Razor systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBC-SPG Tour Pack Grilles:\u003c\/strong\u003e Stylish and functional grilles designed to protect your new speakers while completing the upgrade with a clean, factory-style appearance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Volunteer Audio?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Configured Convenience:\u003c\/strong\u003e We do all the hard work for you. Your kit arrives with gains and filters already set, making installation straightforward.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStep-by-Step Support:\u003c\/strong\u003e Our detailed videos guide you through the installation process from start to finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifetime Tech Support:\u003c\/strong\u003e We offer lifetime support for any items purchased from us, ensuring you have assistance whenever needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eHD-A2B8 Amplifier Replacement Interface\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• Designed for Harley-Davidson models equipped with the Skyline OS Infotainment Unit.\u003c\/p\u003e\n\u003cp\u003e⸻\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePurpose:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• Allows for the removal of the stock amplifier.\u003c\/p\u003e\n\u003cp\u003e• Facilitates the installation of higher power aftermarket amplifiers.\u003c\/p\u003e\n\u003cp\u003e• Maintains compatibility with factory-installed Rockford Fosgate subwoofers and rear-mounted secondary amplifiers.\u003c\/p\u003e\n\u003cp\u003e⸻\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• Designed and manufactured by SeirenHD exclusively for Volunteer Audio.\u003c\/p\u003e\n\u003cp\u003e• Engineered and manufactured in the USA.\u003c\/p\u003e\n\u003cp\u003e⸻\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePre-Tuned for Plug-and-Play Performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe HD-A2B8 interface from Volunteer Audio and SeirenHD is ready to install right out of the box—no tuning required for standard systems.\u003c\/p\u003e\n\u003cp\u003eAlready optimized for immediate use:\u003c\/p\u003e\n\u003cp\u003e• Flat EQ Curve – Delivers a clean, uncolored audio signal\u003c\/p\u003e\n\u003cp\u003e• Pre-Set Output Levels – Optimized to run clean at full volume with zero clipping\u003c\/p\u003e\n\u003cp\u003e• Speed-Controlled Volume – Fully retained and pre-configured to match factory behavior\u003c\/p\u003e\n\u003cp\u003e• Fader Support – Works immediately without any setup\u003c\/p\u003e\n\u003cp\u003e• All Factory Features Intact – Including navigation prompts, radio EQ selections, and more\u003c\/p\u003e\n\u003cp\u003eTuning is optional, only necessary when:\u003c\/p\u003e\n\u003cp\u003e• Activating crossovers\u003c\/p\u003e\n\u003cp\u003e• Using the 31-band or 10-band EQ to customize for specific speaker setups\u003c\/p\u003e\n\u003cp\u003e• Adjusting time alignment or per-channel output levels\u003c\/p\u003e\n\u003cp\u003e⸻\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlug-and-Play Harnessing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe HD-A2B8 includes a harness that connects directly to all factory speaker wiring with zero modification to your motorcycle.\u003c\/p\u003e\n\u003cp\u003eFor expanded setups, additional plug-and-play harnessing is available below:\u003c\/p\u003e\n\u003cp\u003e• Underseat Harness – Pins into the factory plug on base model bikes\u003c\/p\u003e\n\u003cp\u003e• Lid Disconnect Harness – Clean, quick-disconnect solution for 6x9 lid speaker installations\u003c\/p\u003e\n\u003cp\u003e• Tour Pack Harness – Adds plug-and-play rear audio for Tour Pack installations\u003c\/p\u003e\n\u003cp\u003e• Lower Fairing Harness – Simple solution for adding speaker pods to your lower fairings\u003c\/p\u003e\n\u003cp\u003eAll harnessing options are pre-configured and labeled for quick installation and available for purchase below.\u003c\/p\u003e\n\u003cp\u003e⸻\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIntegration Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• Utilizes the OE A2B chip for seamless factory integration\u003c\/p\u003e\n\u003cp\u003e• Supports all factory infotainment updates\u003c\/p\u003e\n\u003cp\u003e• Retains full factory functionality, including:\u003c\/p\u003e\n\u003cp\u003e • Fader\u003c\/p\u003e\n\u003cp\u003e • EQ selections with DSP profile adjustments\u003c\/p\u003e\n\u003cp\u003e • Speed-controlled volume\u003c\/p\u003e\n\u003cp\u003e • Navigation prompts\u003c\/p\u003e\n\u003cp\u003e • Digital A2B subwoofer output for HD Audio by Rockford systems\u003c\/p\u003e\n\u003cp\u003e⸻\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDSP Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• 10 Output Channels with Full DSP Control:\u003c\/p\u003e\n\u003cp\u003e • 8 Analog RCA Outputs\u003c\/p\u003e\n\u003cp\u003e • 2 Digital A2B Outputs (for Rockford subwoofers)\u003c\/p\u003e\n\u003cp\u003e• Equalization:\u003c\/p\u003e\n\u003cp\u003e • Per-channel 31-band graphic EQ or 10-band parametric EQ\u003c\/p\u003e\n\u003cp\u003e • Global 7-band parametric EQ mirrors infotainment custom EQ settings\u003c\/p\u003e\n\u003cp\u003e• Time Alignment:\u003c\/p\u003e\n\u003cp\u003e • Independent delay settings for every channel\u003c\/p\u003e\n\u003cp\u003e• Crossover Control:\u003c\/p\u003e\n\u003cp\u003e • Independent high-pass and low-pass filters per output pair\u003c\/p\u003e\n\u003cp\u003e• Level Adjustment:\u003c\/p\u003e\n\u003cp\u003e • Individual channel-level control for precise tuning\u003c\/p\u003e\n\u003cp\u003e⸻\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• RCA Outputs:\u003c\/p\u003e\n\u003cp\u003e • 8 Channels, 4v RMS\u003c\/p\u003e\n\u003cp\u003e • Front, Rear, Subwoofer, and Auxiliary output configuration\u003c\/p\u003e\n\u003cp\u003e• Frequency Response: 20 Hz – 24 kHz\u003c\/p\u003e\n\u003cp\u003e• Signal-to-Noise Ratio: 112 dB\u003c\/p\u003e\n\u003cp\u003e• DSP Resolution: 32-bit\u003c\/p\u003e\n\u003cp\u003e• Operating Voltage: 6–28 volts\u003c\/p\u003e\n\u003cp\u003e• Current Draw:\u003c\/p\u003e\n\u003cp\u003e • Idle: 14 µA\u003c\/p\u003e\n\u003cp\u003e • Full Power: 300 mA\u003c\/p\u003e\n\u003cp\u003e• Warranty: 1 Year\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eReady to Elevate Your Ride?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAt Volunteer Audio, we’re committed to providing you with an amazing sound system for your Harley-Davidson®. Our \u003cstrong\u003eVelocity Razor Stage 4 package\u003c\/strong\u003e combines the Velocity Razor Pro amplifier with RCN65 Coax Neo speakers in the upper fairing and Tour Pack to create a balanced, powerful audio system for both rider and passenger.\u003c\/p\u003e\n\u003cp\u003eWith exceptional clarity, impressive output, and plug-and-play integration, this package transforms your motorcycle into a high-quality audio experience.\u003c\/p\u003e\n\u003cp\u003eReady for a sound transformation? Let us help you get there!\u003c\/p\u003e","brand":"Velocity","offers":[{"title":"Default Title","offer_id":49074781487321,"sku":"HDPKG2007","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/7389\/9481\/files\/Velocity-stage4-TP-Limited-24Up.jpg?v=1786628426","url":"https:\/\/volunteeraudio.com\/products\/velocity-premium-a2b-stage-4-plug-play-amp-and-speaker-package-for-2026-harley-davidson%c2%ae-street-glide-limited-and-street-glide-3-limited-motorcycles","provider":"Volunteer Audio","version":"1.0","type":"link"}