Diamond Audio 14 - 23 Harley Davidson Street Glide 4-Speaker System - DA1423SGSP3
Introducing the Diamond Audio DA1423SGSP3 , a precision-engineered, four-speaker flagship sound pack purpose-built for the 2014–2023 Harley-Davidson Street Glide. This is not just an upgrade; it is a complete acoustic overhaul designed for the modern rider who demands immersive, studio-quality audio and relentless clarity at 80+ MPH.
At the heart of this system are the all-new Motorsports HXM Black Series speakers, featuring a 6.5" front stage and a high-performance 6x9" rear lid conversion. Re-engineered with a cutting-edge carbon fiber cone and an oversized, high-output tweeter, these speakers deliver unparalleled transient response and surgical detail across the entire motorcycle. Driving this massive four-speaker configuration is the Micro V2 Series 4-Channel Class D amplifier , a masterpiece of efficiency providing massive headroom for both the fairing and bag lids while maintaining a compact, heat-dissipating footprint perfect for fairing integration.
The DA1423SGSP3 ensures total system integrity through our dedicated RCA Harness Kit and specialized integration software , bypassing factory bottlenecks to provide the cleanest signal path possible. Combined with the MSPWHR OFC Power Harness , this kit utilizes 100% Oxygen-Free Copper to eliminate resistance and signal noise. Finished with the OEM-fit DHDSG grilles and the premium MSHXM69F2BKLK lid kit , this system offers a seamless factory look with world-class Diamond Audio performance.
Features
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Optimized for 2014-2023 Platforms: Specifically tuned for the "Rushmore" fairing geometry and factory head-unit output curves.
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High-Speed Definition: Carbon fiber technology ensures the music remains loud and detailed even against heavy wind and engine noise.
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Full-Stage Surround: Four-channel configuration delivers a truly immersive audio experience for both the rider and passenger.
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Pure Signal Path: Includes specialized wiring and software to ensure a noise-free, high-fidelity connection from the factory source.
What our Experts Think
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Designed specifically for 2014–2023 Harley-Davidson Street Glide models for a direct-fit audio upgrade.
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Complete 4-speaker system delivers louder volume and improved sound coverage for rider and passenger.
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High-output speakers provide clear vocals, stronger mid-bass, and detailed highs.
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Tuned to perform in real riding conditions where wind and road noise can reduce audio clarity.
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Creates a more immersive front and rear sound experience for touring rides.
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Built with durable components to handle vibration, weather, and daily motorcycle use.
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Designed for riders who want premium sound quality without complicated customization.
Q&A
Q: What Harley-Davidson models is the Diamond Audio DA1423SGSP3 designed for?
A: The DA1423SGSP3 is built for 2014–2023 Harley-Davidson Street Glide (FLHX/FLHXS) models, providing a complete 4-speaker audio upgrade with direct-fit components.
Q: What is included in the DA1423SGSP3 system?
A: This package includes the MSHD14 digital media receiver, MICRO4V2 Class D amplifier, 6.5" fairing speakers, 6x9 saddlebag lid speakers, grilles, wiring harnesses, and integration hardware for a full audio transformation.
Q: Is the DA1423SGSP3 loud enough for highway riding?
A: Yes. The high-output speaker design, amplifier power, and upgraded signal path are engineered to deliver clear sound that cuts through wind and road noise at speed.
Q: Does this system replace the factory Harley radio?
A: Yes. The included MSHD14 Plug-N-Play Digital Media Receiver upgrades the factory source with modern connectivity, high-voltage outputs, and improved audio processing.
Q: Is installation complicated?
A: No. The DA1423SGSP3 is designed as a direct-fit plug-and-play system using Street Glide-specific components, harnesses, and mounting hardware.
Maintenance Tips
- Clean speakers, grilles, and controls with a soft microfiber cloth to prevent dust buildup.
- Inspect wiring, connectors, and mounting hardware regularly for secure, corrosion-free connections.
- Avoid direct high-pressure water spray on speakers and electrical components.
- Keep audio levels below distortion/clipping to protect speaker and amplifier performance.
- Store your motorcycle covered when possible to reduce exposure to moisture, heat, and road debris.
Damage 
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