Cicada Audio CM8.4X — 8" Carbon Matrix Mid-Bass Motorcycle Speaker (4Ω) – 8-inch
Cicada Audio CM8.4X — 8" Carbon Matrix Mid-Bass Motorcycle Speaker (4Ω)
The Cicada Audio CM8.4X is a powerful 8-inch mid-bass driver engineered for high-output Harley touring systems requiring deeper, stronger mid-bass performance. With its Carbon Matrix Composite™ (CMC™) cone, N35SH neodymium motor, and 2-inch OFC copper voice coil, it delivers exceptional punch and clarity while maintaining high thermal stability.
Designed for saddlebag lid installations and large fairing pods, the CM8.4X thrives on real amplifier power and handles the demands of Australian riding conditions with ease. The 4Ω impedance ensures broad amplifier compatibility.
Key Features
- Rain or Shine™ all-weather motorcycle-ready design.
- Carbon Matrix Composite™ cone: lightweight, rigid and highly efficient.
- N35SH Neodymium Magnet: high-energy motor for extreme output.
- 2.0-inch OFC copper voice coil with Black Coat™ thermal protection.
- OFC copper shorting ring for improved HF extension and reduced distortion.
- Die-cast aluminium basket with Vortex Flow Venting™.
- Two-year warranty from Cicada Audio.
Specifications
| Cicada Audio CM8.4X – Technical Specifications | |
|---|---|
| Driver Size | 8.0" |
| Impedance | 4Ω |
| Power Handling | 250W RMS / 500W MAX |
| Voice Coil | 2.0-inch / 51mm OFC Copper |
| Cone Material | Carbon Matrix Composite™ (CMC™) |
| Magnet | N35SH Neodymium |
| Sensitivity | 94 dB (1W/1M) |
| Frequency Response | 70 Hz – 20 kHz ±3 dB |
| Mounting Depth | 2.8" / 71 mm |
| Mounting Diameter | 7.1" / 180 mm |
Fitment
- Saddlebag Lids: Perfect for 8" high-output lid systems.
- Custom Fairing Pods: Fits most aftermarket 8" pod options.
- Harley-Davidson Touring 2014–2023: Street Glide, Road Glide, Ultra Limited, Electra Glide, Tri Glide.
Ideal For
- Loud Harley bagger builds
- Systems needing deeper mid-bass without a subwoofer
- Amplified motorcycle audio upgrades
Need help matching amplification or driver pairs?
Motorcycle Audio Australia can design the ideal mid-bass system for your Harley.
Shipping
Australia Shipping:
- Under $500 → $19.95
- $500–$2,500 → $14.95
- Over $2,500 → FREE
- Bulky items → +$24.95 surcharge (waived over $2,500)
Fast dispatch from Brisbane. Same-day shipping on in-stock orders before 1pm AEST.
Return policy
Change-of-mind returns: We accept returns within 7 days of delivery on unused, unopened products in original sealed packaging. Restocking fees apply (20–30%). Return shipping is the customer’s responsibility.
No returns on opened audio gear, installed items, custom orders, or special-order products. Please check fitment carefully before installing.
Faulty or incorrect items: If you experience an issue, contact us with photos/video and your order number. We’ll assess the claim and arrange repair, replacement, or refund for verified faults under the Australian Consumer Law.
Fitment assistance: If you’re unsure about compatibility, reach out before ordering—we’re happy to help.