Infinity Primus 603F 6.5 Coaxial Speaker 50W RMS

universal-fit

Infinity Primus 603F 6.5 Coaxial Speaker 50W RMS

R950.00

Infinity Primus 603F 6.5 inch 2-way coaxial speakers deliver 50W RMS power, Plus One polypropylene woofer, edge-driven tweeter, and vented basket for improved output and durability.

Installation is excluded from the advertised product price unless specifically stated otherwise. Should you require professional installation, please contact the Rivonia Car Sound team for advice and a separate quotation. Additional installation accessories may be required, depending on the vehicle and product.

SKU PRIMUS603F Category Brand:

Suitable for:

Vehicle logos indicate compatibility only. This product is not manufactured or endorsed by the vehicle brand.

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The Infinity Primus 603F is a 6.5 inch 2-way coaxial car speaker designed for improved clarity and bass over factory speakers. It pairs a Plus One polypropylene woofer with an edge-driven tweeter to deliver clear vocals, crisp highs, and extended low-end response.

Build features include a vented cooling basket frame for reduced thermal stress and a low-impedance voice coil described by Infinity as true 4-ohm architecture to safely draw extra power from factory radios, aftermarket stereos, or external amplifiers. Power handling is 50 watts RMS and 150 watts peak, impedance 3 ohm, frequency response 55-20,000 Hz, sensitivity 92 dB.

  • Size: 6-1/2 inch
  • Type: 2-way coaxial speaker
  • Impedance: 3 ohm
  • Power handling: 50 watts RMS, 150 watts peak
  • Frequency response: 55-20,000 Hz
  • Sensitivity: 92 dB at 2.83 volts
  • Woofer: Plus One polypropylene cone for increased surface area
  • Tweeter: Edge-driven tweeter for reduced distortion
  • Basket: Vented cooling basket frame for thermal management
  • Architecture: Low-impedance voice coil described as true 4-ohm architecture
  • Plus One polypropylene woofer for larger cone area and stronger bass
  • Edge-driven tweeter design for open, low-distortion highs
  • Vented cooling basket frame to reduce thermal stress
  • True 4-ohm architecture low-impedance voice coil for increased power draw from head units
  • 50 watts RMS power handling with 150 watts peak
  • Disconnect vehicle battery before installation to prevent short circuits
  • Ensure correct polarity when wiring speakers to avoid phase issues
  • Use correct mounting hardware and avoid crushing speaker surrounds
  • If unsure, consult a professional installer to prevent vehicle or speaker damage
  • Fits vehicles with 6.5 inch factory speaker openings
  • Compatible with factory radios, aftermarket head units, and external amplifiers when matched properly

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