Description
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Infinity Primus 503CF
The Infinity Primus 503CF is a 5.25-inch 2-way component speaker system designed to deliver clear vocals, smooth highs, and punchy bass as an upgrade over factory speakers. It features Infinity’s Plus One™ polypropylene woofer cone, which increases cone area for better low-frequency output and higher sensitivity, paired with a 3/4-inch edge-driven silk dome tweeter for detailed and natural high frequencies.
Specifications
| Category | Specification |
|---|---|
| Woofer | 5-1/4″ Polypropylene Driver |
| Tweeter | 3/4″ Silk Dome |
| Power Handling (RMS) | 50W RMS |
| Power Handling (Peak) | 150W Peak |
| Sensitivity | 91 dB (2.83V @ 1m) |
| Frequency Response | 75 Hz – 20 kHz (-6 dB) |
| Nominal Impedance | 3.0 ohms |
| Crossover Point | 5 kHz @ 12 dB/octave |













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