Infinity, Alpha 603M, 16 cm 2-way coaxial speakers,
Infinity, Alpha 603M, 16 cm 2-way coaxial speakers, - Ask you before buying whether we have this item in a warehouse if we do not have to be ordered and arrive within 2-21 days.
▪️ Do you have questions about this product?❓We can consult by phone +370 683 90000 or come to our salon Armatūrinininkų St. 1, Kaunas.
Free delivery in Lithuania from € 100
Free delivery in Lithuania from € 100
In Lithuania, Venipak courier delivery is available via 1-2 business days.
Delivery outside Lithuania within 4-10 business days.
Pick up the goods in the store for € 0
Pick up the goods in the store for € 0
Armatūrinininkų St. 1, Kaunas
Working hours: Thursday 9:00-18:00
INFORMACIJA
5" (165 mm) 3-Way Coaxial Car Speakers
Infinity ALPHA 603M are 6.5" (165 mm) 3-way coaxial car speakers from the Infinity Alpha series, designed to deliver powerful, detailed, and balanced sound at an affordable price. They are a versatile solution for upgrading OEM audio systems, featuring wide frequency response and high efficiency.
More information: official product page
Key Features
- 6.5" (165 mm) 3-way coaxial speakers
- Power: 60 W RMS / 480 W MAX
- 4 Ω impedance
- High sensitivity: 90 dB
- Frequency response: 55 Hz – 20 kHz
- Plus One™ woofer technology for enhanced bass efficiency
- Edge-driven silk dome tweeter for smooth high frequencies
- PEI balanced super tweeter for more detailed high-frequency reproduction
- 3-way design for a full frequency spectrum
Full 3-Way Sound – More Detail
The ALPHA 603M stands out with its 3-way design, which allows for separate reproduction of low, mid, and high frequencies. This provides a wider soundstage, better detail, and a more natural sound than standard 2-way speakers.
The Plus One™ woofer design increases the cone area, improving bass response and overall sound pressure.
The edge-driven silk dome tweeter, along with the PEI super tweeter, ensures extremely clean, detailed high frequencies without harshness or distortion, even at high volumes.
Effective OEM Audio System Upgrade
With 90 dB sensitivity, these speakers work efficiently even with standard car head units without an additional amplifier. This allows for easy improvement of sound quality without complex installation.
The universal 6.5" format allows them to be mounted in both front and rear, in most OEM locations.
Technical Specifications
- Type: 3-way coaxial speakers
- Size: 6.5" (165 mm)
- Power (RMS): 60 W
- Impedance: 4 Ω
- Sensitivity: 90 dB
- Frequency Response: 55 Hz – 20 kHz
Compatibility
Infinity ALPHA 603M are perfect for drivers looking to maximize their OEM audio system with more detail, clarity, and dynamics.
Why Choose Infinity ALPHA 603M?
- 3-way system – wider sound spectrum
- Powerful and balanced Infinity sound
- Plus One™ woofer – stronger bass
- Dual high-frequency reproduction (tweeter + super tweeter)
- High efficiency (90 dB)
Infinity ALPHA 603M – an advanced and versatile solution that brings more power, detail, and musical vibrancy to every journey.




