Reference Series
The technical background behind every recommendation we make.
Power, impedance, gain structure, DSP, speaker placement and electrical capacity — explained for motorcycles rather than for cars. Read these and you will know why a system is designed the way it is, not just what is in it.
ReferenceStage 1, Stage 2, Stage 3: How to Think About a Harley Audio Upgrade
Stage 1, 2 and 3 Harley audio upgrades explained, from a speaker swap to a full DSP-tuned system.
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ReferenceWhat Is Android Auto and What Can It Do?
What Android Auto does, and why it's a genuine safety and usability upgrade on a touring Harley.
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ReferenceWhat Is Apple CarPlay and What Can It Do?
What Apple CarPlay does, and why it's a genuine safety and usability upgrade on a touring Harley.
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ReferenceBest Speakers for a Harley Street Glide: The Complete Upgrade Guide
The best Cicada speaker upgrades for Harley Street Glide fairing and saddlebag positions, by year.
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ReferenceBest Speakers for a Harley Road Glide: The Complete Upgrade Guide
The best Cicada speaker upgrades for Harley Road Glide fairing and saddlebag positions, by year.
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ReferenceCicada CXXM vs CM-X Mid-Bass Speakers: Kevlar or Carbon Matrix?
Cicada CXXM Kevlar vs CM-X carbon-matrix mid-bass: how they compare and which suits your build.
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ReferenceDo You Need an Amplifier for Harley Motorcycle Speakers?
How much power your factory radio really makes, and when a Harley amp is the upgrade that helps.
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ReferenceAre Motorcycle Audio Systems Waterproof?
What IP ratings really mean for motorcycle audio, and why mounting position matters as much.
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ReferenceHow to Match Speakers and Amplifiers for Your Motorcycle: RMS, Sensitivity, and Impedance Explained
How to match speakers and amps using RMS, sensitivity and impedance, explained simply.
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Reference8 Motorcycle Audio Mistakes Most Riders Make (And How to Avoid Them)
The eight Harley audio upgrade mistakes we see most often, and what to do instead of each.
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ReferenceWhat Size Speakers Does My Harley Have? Factory Speaker Sizes by Year and Model
Factory Harley Touring speaker sizes by year, model and position, and what fits in their place.
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ReferenceWhy 2023.5+ Harley Audio Upgrades Need an A2B Interface
Why 2023.5+ Skyline OS Harleys need an A2B interface before you can add or replace an amplifier.
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