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15-23 Road Glide
Fitted these with the V2 head unit, i can't believe the difference over the standard OEM equipment 2017 HD RGS
Cicada Audio 14FLXCX-4X2 – 500W 4-Channel Amplifier & CX 6.5″ Front-Stage System for 2014–2023 Harley Touring
15-23 Road Glide
$1,695.00 AUD
SKU: 14FLXCX-4X2-RG
500W 4-channel front-stage system for 2014–2023 Harley Touring – FLX500.4 amplifier, CX65.2 speakers, model-specific fit
The Cicada Audio 14FLXCX-4X2 is a complete, plug-and-play front-stage audio upgrade for 2014–2023 Harley-Davidson® Touring models. Built around the FLX500.4 4-channel Class-D amplifier and a matched pair of 2Ω CX65.2 coaxial speakers, it delivers a genuine increase in volume, clarity, and control from the fairing speaker positions. Select your model variant – Road Glide or Street Glide – and the kit ships with the correct model-specific amplifier rack and Cicada Audio branded grilles for your fairing platform.
This is a front-stage focused system – two 6.5″ fairing speakers with a 4-channel amplifier that has spare channels ready for saddlebag lid speakers when you're ready to expand. For the complete front-and-rear 4-speaker system, see the 14FLXCX-4X4.
Who This Is For
Riders on 2014–2023 Harley-Davidson Touring platforms who want to start with a proper amplified front stage – without buying more system than they need on day one. The 14FLXCX-4X2 is the correct choice when the fairing speakers are the priority and rear lids are a future upgrade. Every component is pre-matched and model-specific – select Road Glide or Street Glide at checkout and the correct rack and grilles are included. For a full front-and-rear system from the start, see the 14FLXCX-4X4.
What This Is Best For
- Complete plug-and-play front-stage install – every required component is in the box: amplifier, speakers, power wiring, Harley-specific Molex® input and output harnesses, model-specific amplifier rack, and branded fairing grilles. No sourcing individual parts, no compatibility research, no guesswork on installation day.
- 2Ω impedance matched to the FLX500.4 – the CX65.2 speakers are 2Ω, matched specifically to extract maximum real-world output from the FLX500.4. At 125W RMS per channel into 2Ω, the system delivers significantly more usable volume than running speakers off head unit power, and does so without impedance compromise.
- 4-channel amp with room to grow – the FLX500.4 is a full 4-channel amplifier. With two channels driving the front CX65.2 speakers, channels 3 and 4 are available to add saddlebag lid speakers later without changing amps or re-running power wiring. Expand when you're ready; the infrastructure is already in place.
- 8 AWG wiring – works with stock electrical – the included HDPG8K 8 AWG power and ground kit is correctly sized for the FLX500.4's current draw and works with the factory Harley charging system. No battery upgrade required for this system configuration.
- Model-specific mounting hardware – the Road Glide variant includes the 14HDAR-RG amplifier rack and CHDRGG branded kidney grilles. The Street Glide variant includes the 14HDAR-SG rack and CHDSGG branded batwing grilles. Select your model at checkout – the correct hardware for your fairing ships automatically.
Road Glide or Street Glide?
The amplifier, speakers, wiring, and harnesses are identical in both variants. What differs is the model-specific mounting hardware. The Road Glide variant includes the 14HDAR-RG amplifier rack and CHDRGG kidney grilles. The Street Glide variant includes the 14HDAR-SG amplifier rack and CHDSGG batwing grilles. Select the correct variant for your fairing platform before adding to cart. If you're unsure which model you have, the Road Glide has a Sharknose fairing; the Street Glide has a batwing fairing.
This System Requires a Radio Flash
Before installing any amplified audio upgrade on a 2014–2023 Harley-Davidson Touring model, the factory Infotainment radio needs to be flashed. The stock firmware applies heavy EQ curves, dynamic compression, and output limiting tuned around the factory speaker system – these remain active after the amplifier is installed and will undercut everything this system does. Without the flash: bass collapses at volume, midrange becomes congested, highs turn brittle, and the FLX500.4 runs out of usable headroom well before its rated output. With the flash, the EQ and limiters are removed and the amplifier can do its job properly. A radio flash takes approximately 30 minutes. TechnoResearch is the most widely used option; any authorised Harley-Davidson dealer with Screamin' Eagle® Flash tooling can also perform the service. The flash is required – not optional.
Fitment
| Model | Position | Years |
|---|---|---|
| Street Glide® / Street Glide Special | Front fairing | 2014–2023 |
| Road Glide® / Road Glide Special / Road Glide Ultra | Front fairing | 2015–2023 |
| Electra Glide® / Ultra Limited® | Front fairing | 2014–2023 |
| Tri Glide® Ultra | Front fairing | 2014–2023 |
System Overview
| Amplifier | FLX500.4 – 4-Channel Class-D Motorcycle Amplifier |
| Total System Power | 500W total (125W × 4 @ 2Ω RMS) |
| Front Speakers | CX65.2 – 6.5″ Coaxial Speakers (2Ω, pair) |
| Speaker Impedance | 2Ω – matched to FLX500.4 rated output |
| Power Wiring | HDPG8K – 8 AWG fused power and ground kit |
| Input Harness | HDFiM – H-D front radio-to-amp Molex harness |
| Output Harness | HDFLXFo – H-D FLX amplifier front output Molex harness |
| Road Glide Rack | 14HDAR-RG – Road Glide amplifier mounting rack (2014–2023) |
| Road Glide Grilles | CHDRGG – Cicada Audio branded kidney grilles (pair) |
| Street Glide Rack | 14HDAR-SG – Street Glide amplifier mounting rack (2014–2023) |
| Street Glide Grilles | CHDSGG – Cicada Audio branded batwing grilles (pair) |
| Platform | Harley-Davidson Touring (2014–2023) |
| DSP | Not required – coaxial system with optional DSP expansion |
The FLX500.4 Amplifier
The FLX500.4 is the entry-level amplifier in the Cicada FLX range – a full 4-channel Class-D unit designed for Harley-Davidson Touring fairing installations. At 125W RMS per channel into 2Ω, it delivers clean, stable power well above what any factory head unit can produce, and does so without requiring a battery upgrade or 4 AWG power wiring. On the road: the FLX500.4 drives the CX65.2 speakers with genuine headroom – at highway speed with wind and exhaust noise, you're turning the volume up to 60–70% rather than maxing it out trying to cut through. The difference is audible immediately.
With four amplified channels and two connected to the front CX65.2 speakers, channels 3 and 4 are available to drive saddlebag lid speakers later – without replacing the amplifier or re-running the power supply wiring. For the full front-and-rear system, see the 14FLXCX-4X4.
The CX65.2 Speakers
The CX65.2 is the 2Ω variant of Cicada Audio's CX65 6.5″ coaxial speaker – the correct impedance pairing for the FLX500.4 at its rated output. The CX series uses an IMPP cone and a balanced tweeter design focused on vocal clarity and fatigue-free listening at sustained volume rather than sensitivity-first engineering. On the road: the CX65.2 delivers clean vocals and mid-range presence from the fairing position – the frequencies that carry the most musical information remain intelligible at highway speed, where mud and compression from head unit power start to show.
For the 4Ω variant paired with bridged-amp applications, see the CX65.4.
Why 8 AWG Wiring
The HDPG8K 8 AWG power and ground kit is correctly matched to the FLX500.4's current draw profile. A 500W Class-D amplifier at music-level signal demand draws well within 8 AWG capacity, and the kit includes a correctly rated in-line fuse for the power feed run. Running 4 AWG wiring on a system that doesn't require it adds cost and installation complexity without benefit. On the road: no voltage drop, no thermal stress on the wiring, no need to return to the install to address an undersized supply. The HDPG8K is sized for this system and does the job cleanly.
Radio Flash – Required Before Installation
The 2014–2023 Harley-Davidson Infotainment radio ships from the factory with firmware tuned around the stock speaker system. That firmware applies significant EQ curves to compensate for the limitations of factory speakers, dynamic compression to manage volume levels, bass roll-off as volume climbs, and output limiting that caps usable signal before the amplifier can act on it properly. None of this is removed when you add an amplifier – the processed, limited signal goes into the FLX500.4's input exactly as it came out of the head unit.
The result without a flash: the FLX500.4 amplifies a signal that has already been compressed, EQ-adjusted, and capped. Bass collapses at highway volume, midrange sounds congested, and the system runs out of headroom well before the amplifier's rated output. On the road: the performance gap between a flashed and unflashed Harley radio on this install is not subtle – it is the difference between the system working and the system not working.
With a flash, the EQ curves, compression, and limiters are removed. The radio sends a clean, unprocessed signal to the amplifier, and the FLX500.4 operates on signal it can actually work with. A radio flash takes approximately 30 minutes. TechnoResearch is the most widely used flash service for this application; any authorised Harley-Davidson dealer with Screamin' Eagle Flash tooling can also perform the service. Book the flash before or on the same day as installation.
In the Box
All variants include:
- FLX500.4 – 4-channel Class-D amplifier (125W × 4 @ 2Ω RMS)
- CX65.2 – 6.5″ coaxial speakers, 2Ω (pair)
- HDPG8K – 8 AWG fused power and ground wiring kit
- HDFiM – H-D front radio-to-amplifier Molex input harness
- HDFLXFo – H-D FLX amplifier front output Molex harness
Road Glide variant additionally includes:
- 14HDAR-RG – CX/DSP/FLX Amplifier Mounting System – H-D Road Glide (2014–2023)
- CHDRGG – Cicada Audio branded kidney grilles (pair)
Street Glide variant additionally includes:
- 14HDAR-SG – CX/DSP/FLX Amplifier Mounting System – H-D Street Glide (2014–2023)
- CHDSGG – Cicada Audio branded batwing grilles (pair)
Specifications
| Model | 14FLXCX-4X2 |
| Power | 500W total (125W × 4 @ 2Ω RMS) |
| Impedance | 2Ω – matched to FLX500.4 rated output |
| Size | 6.5″ coaxial, front fairing |
| Cone | IMPP |
| Gauge | 8 AWG fused power and ground kit (HDPG8K) |
| Install | Plug-and-play front-stage install |
| Includes | FLX500.4 amplifier, CX65.2 speakers, HDPG8K wiring kit, HDFiM input harness, HDFLXFo output harness, model-specific amplifier rack and branded grilles |
Australia Shipping:
- Under $500 → $19.95
- $500–$2,500 → $14.95
- $2,500 and above → FREE
- Bulky items → +$25 surcharge (waived once your order reaches $2,500)
Fast dispatch from Brisbane. In-stock orders placed before 1pm AEST usually ship the same business day.
Change of mind: Request a return within 30 days of delivery. The product must be unused, unopened and in its original sealed packaging, valued at $50 or more, and you'll need an RMA number from us before sending anything. Return freight is yours, and a restocking fee of up to 15% may apply – we'll confirm any fee before the return is accepted.
Not returnable for change of mind: opened, installed or test-fitted items, special-order and custom products, custom harnesses, completed tuning, gift cards and items under $50.
Fitment: If we confirmed fitment in writing based on accurate bike details and it doesn't fit, we'll put it right and cover reasonable freight. Not sure? Ask us before you order – we're happy to help.
Faulty, damaged or wrong item: Contact us first with your order number. Faults follow our RMA and warranty process, and none of this affects your rights under the Australian Consumer Law.