Cicada Audio FLX2000.4 — 4-Channel Ultra-High-Power Class-D Motorcycle Amplifier (2,000W RMS / 500W x4 @ 2Ω)
Cicada Audio FLX2000.4 — Monster 4-Channel Class-D Amplifier for Competition-Level Motorcycle Audio
If you want to be the loudest bike in the pack, this is your amp.
The Cicada Audio FLX2000.4 is a true high-output monster, delivering up to 542W x4 RMS @ 2Ω (rated 500W class) from a compact motorcycle-ready chassis. Designed for hardcore Harley builds, pro-audio systems, and SPL-style baggers, this amplifier brings unmatched headroom, clean output, and stable performance at extreme volume.
This is one of the most powerful micro-chassis motorcycle amplifiers ever produced. With rock-solid Class-D efficiency, a wide 8–16V operating range, and thermal behaviour engineered for enclosed fairings and saddlebags, the FLX2000.4 is the weapon of choice for serious riders who refuse to settle for average.
Key Features
- Massive real-world power: Up to 542W x4 @ 2Ω or 1,044W x2 bridged @ 4Ω.
- High-efficiency Class-D: Huge power delivery with controlled heat output.
- Extreme rider-ready durability: Built for vibration, humidity, voltage swings and fairing heat.
- Compact chassis: Fits Harley fairings, side covers and saddlebag racks.
- Flexible crossovers: HPF / FULL / LPF selectable from 30–300 Hz.
- Stable 2Ω performance: Perfect for high-power mids, horns, and multi-speaker setups.
- REM or DC turn-on: Works with Harley Boom!Box and aftermarket head units.
- System requirement: Requires lithium battery upgrade and 4 AWG power wire (HDPG4K) for correct and reliable operation.
Specifications
| Cicada Audio FLX2000.4 – Technical Specifications | |
|---|---|
| OUTPUT POWER (RMS) | |
| 4Ω Stereo @ 12.5V | 275W x4 |
| 4Ω Stereo @ 14.4V | 331W x4 |
| 2Ω Stereo @ 12.5V | 450W x4 |
| 2Ω Stereo @ 14.4V | 542W x4 |
| 4Ω Bridged @ 12.5V | 866W x2 |
| 4Ω Bridged @ 14.4V | 1,044W x2 |
| AUDIO PERFORMANCE | |
| Frequency Response | 20 Hz – 20 kHz ±3 dB |
| THD | <0.5% |
| Damping Factor | 200 |
| SNR | 91 dB |
| CROSSOVER | |
| Mode | HPF / FULL / LPF |
| Frequency Range | 30 – 300 Hz |
| Slope | 12 dB/octave |
| INPUTS & ELECTRICAL | |
| Gain Range | 0.2 – 12 V AC |
| Turn-On | REM / DC |
| Operating Voltage | 8 – 16 V DC |
| Total Efficiency | 79% |
| Current Draw (Music / Max) | 60 A / 240 A |
| Recommended Fuse (Music) | 120 A |
| Power & Battery Requirement | Requires lithium battery upgrade and 4 AWG power wiring (HDPG4K) |
| PHYSICAL | |
| Dimensions (W × D × H) | 8.6 × 4.9 × 2.0 in (218 × 124 × 51 mm) |
Why It Works So Well on Motorcycles
- The power-to-size king: Nearly unmatched output in a true micro chassis.
- Punishingly loud: Designed for SPL-style Harley baggers and extreme mids/horns.
- Thermally stable: Built for the heat of closed fairings and Australian summers.
- Flexible wiring: 4-channel, 3-channel, 2-channel and bridged configurations supported.
Fitment
- Harley-Davidson Touring (1998–2024): Street Glide, Road Glide, Ultra, CVO, Tri Glide.
- Installs in fairings, side covers, saddlebag amp racks or custom enclosures.
- Compatible with Harley Boom!Box and aftermarket head units.
Recommended System Matching
- Perfect for high-power Cicada mids, horns and pro-audio drivers.
- Best performance with 2Ω speakers and a lithium battery / 4 AWG power upgrade.
- Bridge channels for extreme midbass or compact subwoofer applications.
- Add a DSP for competition-level tuning and clarity.
Building a loud bike?
Motorcycle Audio Australia can help you craft a full-stage system around the FLX2000.4.
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.