8" Treated Paper Cone Woofer 299-972
Power Handling (RMS) 100 Watts
Power Handling (max) 200 Watts
Impedance 4 ohms
Frequency Response 40 to 3,000 Hz
Sensitivity 87 dB 1W/1m
Voice Coil Diameter 1.5"
Resonant Frequency (Fs) 37 Hz
DC Resistance (Re) 3.20 ohms
Voice Coil Inductance (Le) 1.86 mH
Mechanical Q (Qms) 5.73
Electromagnetic Q (Qes) 0.49
Total Q (Qts) 0.45
Compliance Equivalent Volume (Vas) 1.17 ft.³
Maximum Linear Excursion (Xmax) 6 mm
If you have room to fit 8"s, this are a no brainer for $8 each. 6mm of xmax is unheard of for anything this cheap, and middling Q means these will work in a lot of different applications. Only thing I'm a little worried about it the foam surround.