Zacks CWF130.4 High Efficiency 130mm, 4ohm, 75Watt RMS Woofer

Technical Specifications:
Woofer
Woofer
Kevlar Cone
Rubber Surround
Steel Basket
Peak power: 150W
RMS power: 75W
Ohm 4
Voice Coil: 1″ (25mm)
Fs: 100.89 Hz
dBSPL: 95.65
Vas: 3.35 L
Qts: 0.629
Qes: 0.79
Qms: 3.04
B*l: 4.56 T*m
gold contacts,
high efficiency 95.55dB

Price is for 1 woofer