Infinity Reference 507F (REF507F) 5.25” 45W RMS | 135W Max 2-Way Reference-Series Coaxial Car Speakers (Pair)

Infinity Reference 507F (REF507F) 5.25” 45W RMS | 135W Max 2-Way Reference-Series Coaxial Car Speakers (Pair)Infinity Reference REF507F Pair of 5 Reference Series 2 Way Coaxial Car Speakers 45 W RMS 135 W Peak 3 Sold as a pair, the REF507F speakers deliver clear, energetic mids and highs in a compact 5 coaxial design. Featuring Infinitys Plus One polypropylene woofer with hi roll rubber surround, a textile balanced dome tweeter, and True Four Ohm impedance technology for compatibility with OEM or aftermarket systems. Key Features Sold as a pair (2 speakers)

Infinity Reference REF507F – Pair of 5¼″ Reference Series 2-Way Coaxial Car Speakers – 45 W RMS / 135 W Peak – 3 Ω

Sold as a pair, the REF507F speakers deliver clear, energetic mids and highs in a compact 5 ¼″ coaxial design. Featuring Infinity’s Plus One™ polypropylene woofer with hi-roll rubber surround, a ½″ textile balanced-dome tweeter, and True Four Ohm impedance technology for compatibility with OEM or aftermarket systems.

Key Features

• Sold as a pair (2 speakers)
• Power Handling (RMS): 45 W Each / 90 W Per Pair
• Power Handling (Peak): 135 W Each / 270 W Per Pair
• Impedance: 3 Ω (True Four Ohm Impedance technology)
• Sensitivity: 92 dB @ 2.83 V
• Frequency Response: 67 Hz – 21,000 Hz
• Plus One™ polypropylene woofer cone with hi-roll rubber surround
• ½″ textile balanced-dome tweeter
• Mounting Depth (Top): ~1-15/16″
• Cutout Diameter: ~4-7/16″