NA-57PRO

5×7″ Pro Coaxial Speaker 500W Max 250W RMS 2″ Voice Coil 4-Ohm

Nominal Diameter: 5×7″
Nominal Impedance: 4-Ohm
Peak Power: 500W
RMS Power: 250W
Sensitivity: 97 dB SPL
Frequency Range: 150 Hz to 20,000 Hz
Voice Coil Diameter: 1.5″