Reference Series

What Size Speakers Does My Harley Have? Factory Speaker Sizes by Year and Model
What Size Speakers Does My Harley Have? Factory Speaker Sizes by Year and Model
A definitive year-by-year guide to factory speaker sizes on Harley-Davidson Touring models from 1998 to present, covering batwing fairing, Road Glide sharknose, Tour-Pak, and saddlebag positions. Read more...
Why 2023.5+ Harley Audio Upgrades Need an A2B Interface
Why 2023.5+ Harley Audio Upgrades Need an A2B Interface
Harley’s 2023.5 Skyline OS introduced a digital A2B audio network that changed how amplifier upgrades must be integrated. This guide explains why an A2B interface is required, how it works,... Read more...
Why Line Output Converters Don't Work on 2023.5+ Harley Touring Models
Why Line Output Converters Don't Work on 2023.5+ Harley Touring Models
Line output converters work reliably on older Harley touring platforms, but the 2023.5+ Skyline OS architecture outputs a fundamentally different signal — and tapping into it with a LOC creates... Read more...
Upgraded Your Harley Head Unit? Here's What to Do Next
Upgraded Your Harley Head Unit? Here's What to Do Next
A new head unit improves the interface and clarity, but most riders find the bike still doesn't sound dramatically better at highway speed — because the head unit is only... Read more...
Apple CarPlay for Harley-Davidson Motorcycles
Apple CarPlay for Harley-Davidson Motorcycles
Apple CarPlay on a touring Harley is a genuine safety and usability upgrade for long Australian and New Zealand highway runs — not a novelty. This guide explains which platforms... Read more...
Best Harley-Davidson Audio Upgrades in Australia
Best Harley-Davidson Audio Upgrades in Australia
Factory Harley audio is adequate around town, but at 100+ km/h on an open Australian road, wind, exhaust and helmet noise make it unintelligible — and that's a power and... Read more...
Why Harley Radios Change Their Tune Once You Start Riding
Why Harley Radios Change Their Tune Once You Start Riding
Why does Harley audio sound different once you start riding?This guide explains how Harley radios change their internal EQ while the bike is running — and why that behaviour affects... Read more...
Why Harley Audio Sounds Fine Parked — But Falls Apart at Highway Speed
Why Harley Audio Sounds Fine Parked — But Falls Apart at Highway Speed
Why does Harley audio sound great parked but fall apart at highway speed? This guide explains wind noise, radio clipping, and internal EQ changes that cause distortion — and why... Read more...
Cicada DSP Explained: DSP Amps vs Standalone Processors for Harley Touring Audio
Cicada DSP Explained: DSP Amps vs Standalone Processors for Harley Touring Audio
DSP isn’t about adding more gear — it’s about controlling the gear you already have. This guide explains when Cicada DSP is needed, how DSP amps compare to standalone processors,... Read more...
Cicada Motorcycle Amplifiers Guide for Harley Touring Bikes
Cicada Motorcycle Amplifiers Guide for Harley Touring Bikes
Not all power works on a Harley. This guide explains Cicada motorcycle amplifiers and helps riders choose the right power for clean, reliable volume Read more...
Cicada Motorcycle Speakers Guide for Harley Riders
Cicada Motorcycle Speakers Guide for Harley Riders
Not all loud is the same. This guide explains every Cicada speaker series and helps Harley riders choose the right sound for real highway riding. Read more...
Harley Audio Reference Series
Harley Audio Reference Series
Plain-English guides that explain how Harley audio systems really work. Learn about radio upgrades, DSP tuning, signal correction, and real-world solutions for touring bikes. Read more...