Hertz ESK 130.5 (ESK130.5) 5.25" 2-Way Energy Series Component Speaker System ESK-130.5 - Hertz 5.25" 450W Peak 2-Way Component Speaker System Power Handling Peak: 450 watts per pair / 225 watts each | RMS: 150 watts per pair / 75 watts each Frequency Response 70Hz  23kHz Woofer Voice Coil 1" Woofer Magnet Size 3.15 x 1.26 x 0.5