Infinity Alpha 603F 6.5″ Coaxial Speakers (480W Peak / 60W RMS)

Upgrade your car’s factory audio with the Infinity Alpha 603F 6.5″ Coaxial Speakers, designed to deliver powerful sound, enhanced clarity, and reliable performance at an affordable price. Built with Infinity’s signature tuning, these speakers provide a perfect balance of deep bass, clear vocals, and crisp highs, making them an ideal OEM upgrade.

Featuring a 2-way coaxial design, the Alpha 603F combines a high-quality woofer and tweeter into a single unit, ensuring easy installation and full-range sound performance.

🔊 Key Features

✔ 6.5″ 2-Way Coaxial Speaker Design – Integrated woofer & tweeter for balanced full-range audio

✔ 480W Peak / 60W RMS Power – Strong output with clean and distortion-free sound

✔ Polypropylene Woofer Cone – Provides solid bass and accurate midrange performance

✔ PEI Balanced Dome Tweeter – Delivers clear and detailed high frequencies

✔ Plus One™ Cone Technology – Increased cone area for better bass response and efficiency

✔ High Sensitivity Design (~90 dB) – Performs well even with factory head units

✔ Universal Fitment – Suitable for most cars, hatchbacks, sedans & SUVs

🔧 Technical Specifications

• Speaker Type: 2-Way Coaxial
• Size: 6.5″ (165 mm)
• Peak Power: 480 Watts
• RMS Power: 60 Watts
• Frequency Response: ~55 Hz – 20 kHz
• Sensitivity: ~90 dB
• Impedance: 4 Ohms

📦 Package Includes

• 2 × Infinity Alpha 603F Coaxial Speakers
• Speaker Grilles
• Mounting Screws & Accessories

🚗 Why Choose Infinity Alpha 603F

• Perfect upgrade from stock speakers
• Balanced sound with punchy bass & clear highs
• Easy installation with coaxial design
• Trusted Infinity sound engineering
• Ideal for daily driving and music lovers

🛠 Installation Notes

• Fits most 6.5″ speaker locations (doors/rear parcel tray)
• Can run directly on stock stereo or with amplifier
• Professional installation recommended for best performance