Infinity  |  Bar code: 1200130019852

Infinity, Alpha 603, 16 cm 2-way coaxial speakers

Infinity ALPHA 603 – 6.
Regular price €65.00 EUR

▪️ Do you have questions about this product?❓We can consult by phone +370 683 90000 or come to our salon Armatūrinininkų St. 1, Kaunas.


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Delivery outside Lithuania within 4-10 business days.

Pick up the goods in the store for € 0

Armatūrinininkų St. 1, Kaunas
Working hours: Thursday 9:00-18:00

INFORMACIJA

5" (165 mm) 2-way coaxial car speakers

The Infinity ALPHA 603 are 6.5" (165 mm) 2-way coaxial car speakers from the Infinity Alpha series, designed to provide balanced, clear, and dynamic sound at an affordable price. They are a universal solution for upgrading OEM audio systems and for everyday use.

More information: official product page

Key Features

  • 6.5" (165 mm) 2-way coaxial speakers
  • Power: 60 W RMS / 180 W MAX
  • 4 Ω impedance
  • High sensitivity: 90 dB
  • Frequency response: 55 Hz – 20 kHz
  • Plus One™ woofer technology for enhanced low-frequency performance
  • PEI balanced dome tweeter for clear high frequencies
  • Polypropylene woofer cone for accurate and robust bass
  • Optimized for OEM installation locations

Clean and Balanced Infinity Sound

The ALPHA 603 are designed to improve the sound of factory speakers without complicated installation. The polypropylene woofer ensures robust and controlled low-frequency reproduction, while the PEI tweeter delivers clear and natural high frequencies.

The Plus One™ woofer design increases the cone's surface area, which improves bass response and overall sound efficiency.

Effective OEM Audio System Upgrade

With 90 dB sensitivity, these speakers work easily with factory head units without an additional amplifier. This allows for a simple upgrade of the car's sound without complex modifications.

The Alpha series design is adapted for universal installation, so the 603 model integrates easily into most OEM speaker locations.

Technical Specifications

  • Type: 2-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

The Infinity ALPHA 603 are perfect for drivers who want a simple but effective car audio system upgrade with clear and balanced sound.

Why choose Infinity ALPHA 603?

  • Clean and balanced Infinity sound
  • Plus One™ woofer – stronger bass
  • PEI tweeter – clear high frequencies
  • 90 dB sensitivity – easy driveability
  • Excellent value for money

The Infinity ALPHA 603 is a reliable and versatile solution, providing more clarity, dynamics, and sound quality for everyday use.