PRV Audio 12MR2000 12" Mid Range 8 ohms Pro Audio Speaker 97dB 1000 Watts RMS 4" VC Nominal impedance: 8 ohms; Rated power handling: 1000W; Program power: 2000W Sensitivity (1W/1m): 97 dB; Resonance frequency (Fs): 57.23 Hz; Frequency range at minus 10 dB: 60 to 5,000 Hz Recommended Hi pass crossover: 180 Hz (12 dB/Octave) Speaker size: 12 in woofer; Voice coil diameter: 4 in; Magnet material: ferrite; Frame material: diecast aluminum; Xmax: 6.62 mm Weight: 23.04 lbs; Mounting depth: 5.47 in (139 mm)