Cadence QR Series Speakers QR552 250W Peak 5.25″ 2-Way Coaxial Car Speakers Specifications RMS Power Handling: 50 watts per peaker PEAK Power Handling: 125 Watts per Speaker Frequency Response: 65Hz – 20 kHz SPL @ 1w/1m: 89dB System Impedance: 4-Ohm Mounting Depth: 5,9cm Size: 5.25″ (13cm) Features Exteended Frequency tweeter Metalic Orange plated finish Press paper cone with Poly Mica layer Hign Temperature Kapton voice coil former Butyl Rubber surrounds Custom crossover design includes Custom Molded Grills