Cicada Audio CX250.2D — Compact 2-Channel Class-D Amplifier for Motorcycle Audio
Cicada Audio CX250.2D — Compact 2-Channel Class-D Amplifier for Motorcycle Audio Systems
Small chassis, big performance.
The Cicada Audio CX250.2D is a compact yet powerful 2-channel Class-D amplifier engineered specifically for motorcycle audio. Delivering up to 250W x2 RMS @ 2Ω and 550W RMS bridged @ 4Ω, it is the perfect solution for powering mids, coaxials, or a small sub in Harley-Davidson Touring systems.
Designed for tight fairings, saddlebags and custom racks, the CX250.2D offers clean output, wide crossover flexibility and dependable performance in the harsh conditions motorcycles face — heat, vibration, charging voltage swings, and long-distance riding.
Key Features
- Impressive real-world output: Up to 250W x2 @ 2Ω or 550W bridged @ 4Ω.
- Compact motorcycle-ready footprint: Only 7 × 4 × 1.375 inches.
- Flexible tuning options: HPF / LPF / FULL crossover from 40–400 Hz.
- Class-D efficiency: Runs cool in enclosed Harley fairings and saddlebags.
- Stable on motorcycle charging systems: Operates from 8–16V.
- Multiple turn-on modes: REM, VOX, and DC auto turn-on for OEM compatibility.
- SNR 91 dB & damping factor 200: Clean, controlled sound at all volumes.
Specifications
| Cicada Audio CX250.2D – Technical Specifications | |
|---|---|
| OUTPUT POWER (RMS) | |
| 4Ω Stereo @ 12.5V | 129W ×2 |
| 4Ω Stereo @ 14.4V | 150W ×2 |
| 2Ω Stereo @ 12.5V | 210W ×2 |
| 2Ω Stereo @ 14.4V | 250W ×2 |
| 4Ω Bridged @ 12.5V | 474W ×1 |
| 4Ω Bridged @ 14.4V | 550W ×1 |
| AUDIO PERFORMANCE | |
| Frequency Response | 20 Hz – 20 kHz ±3 dB |
| THD | <0.5% |
| Damping Factor | 200 |
| SNR | 91 dB |
| CROSSOVER | |
| Modes | HPF / FULL / LPF |
| Frequency Range | 40 – 400 Hz |
| Slope | 12 dB/octave |
| INPUTS & ELECTRICAL | |
| Gain Range | 0.2 – 12 V AC |
| Operating Voltage | 8 – 16 V DC |
| Turn-On Modes | REM / VOX / DC auto turn-on |
| Current Draw (Music / Max) | 40 A / 80 A |
| Recommended Fuse | 40 A |
| Total Efficiency | 79% |
| PHYSICAL | |
| Dimensions (L × W × H) | 7.0 × 4.0 × 1.375 in (177.8 × 101.6 × 34.9 mm) |
Why It Works So Well on Motorcycles
- Perfect for fairing or lid speakers: Drives mids and coaxials with clean authority.
- Compact enough for any Harley location: Fairings, side covers, or saddlebag racks.
- Stays clean at high volume: Optimised damping and strong signal-to-noise ratio.
- Harley-friendly electrical behaviour: Works flawlessly on Rushmore & M8 bikes.
Fitment
- Harley-Davidson Touring (1998–2024)
- Street Glide, Road Glide, Ultra, CVO, Tri Glide
- Ideal for fairing speakers, lids, or small subwoofer enclosures
- Compatible with Harley Boom!Box and all major aftermarket head units
Recommended System Matching
- Excellent for Cicada coaxials, Neo mids, and horn-ready front stages.
- Use 2Ω loads to maximise available output.
- Bridge mode ideal for small subwoofer or midbass enclosures.
- Add a DSP for advanced tuning and improved clarity.
Building a compact but powerful Harley audio system?
Motorcycle Audio Australia can help design a full front-stage or rear-stage setup around the CX250.2D.
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.