Product Overview
5×7″ 4-Ohm car audio midrange speaker with 200W RMS / 400W peak. 100dB sensitivity and wide 150-10000Hz response, 1.5″ voice coil. The NA-57MR is a 5×7″ midrange speaker delivering 200W RMS / 400W peak , 94dB sensitivity , and a 1.5″ voice coil . 5×7″ Midrange Speaker 200W RMS / 400W Peak 94dB Sensitivity 150–10000Hz Range Specifications: Diameter: 5″x7″ Impedance: 4-Ohm