Peavey Pro 10 Neo Low Frequency Speaker Driver 8 Ohm Peavey's 10" Neo driver features a Kevlar® impregnated cellulose cone. The 2-layer copper voice coil is thermally bonded to a Kapton former with Nomex stiffener. SpecificationsPower handling: 200 watts continuous, 400 watts program, 800 watts peakImpedance: 8 ohmsFrequency range: 50 Hz - 4 kHzSPL: 94.3 dB, 1W/1mVCdia: 2.5" (63.5 mm)Re: 6.00 ohmsSd: 0.04 sq. mBL: 14.33 T/MFo: 67.7 HzVas: 25.1 LCms: 150.0 uM/NMms: 36.9 gmQms: 2.85Qes: 0.46Qts: 0.40Xmax (mm) 2.5 mmLe: 0.72 mHNo: 1.7%Vd: 10.6 cu. in. (173 ml) programDisp: 95.45 cu. in. (1,564 ml)Weight: 4.5 lbs. (2.0 kg)