Soundmax SX-CX420
4" 2-way coaxial speakers (pair) rated at 40W RMS / 120W Max. A simple and high-quality upgrade for your car's dashboard or doors.
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Description of Soundmax SX-CX420
Soundmax SX-CX420 – 4" 2-way coaxial speaker
The Soundmax SX-CX420 is specially designed to replace worn-out 4" factory speakers. With a built-in tweeter and an easy-to-drive design, it delivers clear, crisp, and significantly more dynamic sound directly from your car stereo or a small power amplifier.
Key features of the SX-CX420:
- 40W RMS / 120W Max: High reliability and clean sound reproduction.
- Integrated tweeter: Clear treble without the need for external crossovers.
- Easy to drive (4 ohms): Works excellently directly with the car stereo’s built-in amplifier.
- Standard dimensions: Fits most 4" factory mounting holes in the dashboard and doors.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | Soundmax SX-CX420 |
| Type | 4" (100 mm) 2-way coaxial |
| Impedance | 4 ohms |
| RMS Power Handling | 40 W |
| Maximum power | 120 W |
| Sensitivity | 88 dB |
| Frequency response | 80 Hz – 20,000 Hz |
| Mounting depth | approx. 48 mm |
Installation Tips from dBAkuten
Feel free to add speaker cable and damping material from our installation accessories. Discover more speakers and power amplifiers at dBAkuten!
Frequently Asked Questions (FAQ)
Can I power these speakers directly from my car’s factory stereo?
Yes, thanks to their high sensitivity and 4-ohm impedance, they work perfectly with the car stereo’s built-in amplifier.
Does the tweeter include a crossover filter?
The tweeter has a built-in crossover on the coaxial chassis, so no external crossover box is needed.