Specifications
SKU: INFINITY-ALPHA-403F
Infinity Alpha 403F 4 Inch 2-Way Coaxial Speaker
The Infinity Alpha 403F 4 Inch 2-Way Coaxial Speaker is part of the Infinity by Harman Alpha Gen 2 series, built for car audio users who want clearer vocals, stronger music detail and a reliable daily sound upgrade.
Technical Specifications
| Series | Alpha Gen 2 |
| Speaker Size | 4" / 100mm |
| Speaker Type | 2-Way Coaxial Speaker |
| RMS Power | 40W |
| Peak Power | 320W |
| Sensitivity | 88dB |
| Frequency Response | 80Hz - 20kHz |
| Impedance | 4 Ohm |
Specification Summary
- Series: Alpha Gen 2
- Speaker Size: 4" / 100mm
- Speaker Type: 2-Way Coaxial Speaker
- RMS Power: 40W
- Peak Power: 320W
- Sensitivity: 88dB
- Frequency Response: 80Hz - 20kHz
- Impedance: 4 Ohm
Feature Highlights
- 4" / 100mm 2-Way Coaxial Speaker from the Infinity Alpha Gen 2 series
- 40W RMS power and 320W peak power
- 88dB sensitivity for efficient sound output
- 80Hz - 20kHz frequency response for balanced music playback
- 4 Ohm impedance, suitable for common car audio amplifier and player setups
Recommended For
- Drivers upgrading from original factory speakers
- Customers who want clearer vocals, better music detail and stronger daily listening quality
- Car speaker installation around Kuala Lumpur, Selangor, Batu Caves and Ampang
Installation Service in Malaysia
City Sound Automart provides product recommendation and installation support. Share your car model with us so we can advise fitment, wiring and the best upgrade package for your setup.
Why Choose City Sound Automart
- Car audio and accessory specialist in Malaysia
- Practical recommendations based on car model and budget
- Installation support for speakers, amplifiers, DSP, Android players, dashcams and sound damping
Frequently Asked Questions
Can this speaker fit my car?
Please send us your car model and door speaker size. We will help check suitable fitment before installation.
Can I pair this with amplifier or DSP?
Yes, it can be paired with a suitable amplifier or DSP depending on your current system and listening preference.
Inquiry - Infinity Alpha 403F 4 Inch 2-Way Coaxial Speaker
