Infinity Alpha 603CF 2-way speakers 165mm 90 720W 90dB 60Hz–20kHz 4ohm

Infinity Alpha 603CF — 2-way car speakers

For users looking to enhance their in-car audio experience, the Infinity Alpha 603CF speakers deliver an excellent combination of power, sensitivity, and quality construction. With a rated power of 90 W RMS (with a maximum power of up to 720 W) and a low impedance of 4 Ω, they provide sufficient power even when connected to less powerful car amplifiers. The patented Plus One diaphragm technology ensures deeper bass, while the silk dome tweeters offer smooth and natural reproduction of high frequencies without sharpness. This combination ensures that every detail of your favorite songs will sound exactly as it should.

Exceptional sound quality thanks to innovative technologies

The Infinity Alpha 603CF woofer diaphragm uses patented Plus One technology, which increases the effective area of ​​the diaphragm. This results in higher sensitivity and stronger low-frequency output, ideal for deep bass lovers. The direct edge-driven silk dome tweeter delivers a more natural and smooth sound that will be appreciated by audiophiles and everyday listeners alike.

Compatibility and easy installation

The speakers have a standardized diameter of 165 mm (6.5"), which simplifies their installation in common mounting holes in cars and trucks. Threaded adapters and plastic lock nuts allow for flush mounting, thus adapting to different types of interior. The supplied frequency crossovers ensure the correct sound distribution between the woofer and tweeter, which makes it easier to achieve optimal sound performance.

Technical data

• Type: two-way car speaker without grille
• Woofer diameter: 165 mm (6.5")
• Power load: 90 W RMS, 720 W max.
• Sensitivity: 90 dB (at 2.83 V)
• Frequency range: 60 Hz - 20 kHz
• Impedance: 4 Ω
• Tweeter: 0.75", silk dome with direct edge drive
• Woofer cone: polypropylene, Plus One technology

Package contents

• 2 speakers
• 2 tweeters (0.75")
• 2 crossovers
• 2 threaded adapters for flush mounting
• 2 plastic lock nuts
• 8 screws
• 8 flat connectors
• Quick start guide