Diamond Audio 14 - 23 Harley Davidson Street Glide 4-Speaker System - DA1423SGSP3R
Introducing the Diamond Audio DA1423SGSP3R , a precision-engineered, four-speaker flagship sound pack purpose-built for 2014–2023 Harley-Davidson Street Glide models. This comprehensive system is the ultimate cockpit and rear-stage transformation, designed for the modern rider who demands high-definition source control, immersive surround sound, and surgical clarity at 80+ MPH.
The command center of this system is the MSHD14 Plug-N-Play Digital Media Receiver , which replaces the restrictive factory head unit with a high-voltage pre-amp signal path and modern smartphone connectivity. Providing the muscle is the Micro V2 Series 4-Channel Class D amplifier , a masterpiece of efficiency providing massive headroom for both the fairing and saddlebag lids while maintaining a compact, heat-dissipating footprint optimized for fairing integration.
Acoustic excellence is delivered through the all-new Motorsports HXM Black Series speakers, featuring a 6.5" front stage and a matching 6x9" rear lid conversion. Re-engineered with cutting-edge carbon fiber cones and oversized high-output tweeters, these speakers provide louder, cleaner, and more detailed sound—specifically tuned to cut through intense wind and road noise. With the included MSPWHR OFC Power Harness , MSRCA2 signal kit , and specialized integration software, the DA1423SGSP3R ensures the cleanest signal path and the ultimate high-performance audio experience.
Features
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Complete Source Overhaul: Features the MSHD14 head unit for full digital media control and superior signal processing over the OEM radio.
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High-Velocity Definition: Carbon fiber cone technology ensures the music remains detailed and impactful even at high highway speeds.
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Full-Stage Surround: 4-channel configuration delivers a truly immersive audio experience for both rider and passenger.
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Pure Signal Path: 100% Oxygen-Free Copper (OFC) wiring and direct RCA integration eliminate signal noise and maximize amplifier efficiency.
What our Experts Think
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Designed for 2014–2023 Harley-Davidson Street Glide models with a factory-style fit.
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Complete 4-speaker audio upgrade delivers powerful, balanced sound for rider and passenger.
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Provides loud, clean audio with improved bass response and vocal clarity.
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Engineered to perform through wind, engine, and road noise during highway riding.
- Premium speaker configuration creates a wider and more immersive soundstage.
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Built for touring reliability with durable components and consistent performance.
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Perfect for riders looking for a premium Harley-Davidson sound upgrade with strong output and easy integration.
Q&A
Q: What motorcycles is the Diamond Audio DA1423SGSP3R compatible with?
A: It is designed for 2014–2023 Harley-Davidson Street Glide models for a vehicle-specific audio upgrade.
Q: What is included in the DA1423SGSP3R 4-speaker system?
A: The kit includes two 6.5" coaxial speakers, two 6x9" saddlebag lid speakers, a 4-channel amplifier, digital media receiver, grilles, wiring, and installation hardware.
Q: Does this system improve factory Harley audio performance?
A: Yes. It delivers louder output, improved clarity, stronger bass, and cleaner sound compared to stock speaker systems.
Q: Is the DA1423SGSP3R easy to install?
A: Yes. The plug-and-play design includes vehicle-specific components for a simpler installation with no major modifications required.
Q: Why choose the Diamond Audio DA1423SGSP3R?
A: It provides a complete premium 4-speaker Harley audio upgrade with high-performance speakers, amplifier power, and Street Glide fitment for riders wanting better sound on every ride.
Maintenance Tips
Damage 
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