Technical Pro WF8.1 8" Raw Woofer Featuring 600 Watts Peak Power With A 1.5" ASV Voice CoilFeatures: Technical Pro WF6.1 6.5" 6-1/2" 600 Watts Peak Power 8-Ohms Pro Audio Raw Woofer 600 watts peak power 8" Woofer diameter Sensitivity: 92 ±2dB ASV Voice coil: 1.5" Impedance: 8 ohms Frequency response: 40Hz-2.5kHz Magnet & Structure: 30 oz. Bare wire terminals