Que os parece este sub

A ver que os parecen estas caracteristicas de este subwoffer rockfors en comparacion a jbl e impact
12 inch
Type Woofer
Voice coil Configuration - Single
Material - Aluminum
Description - 2"
Cone Material Poly/Plastic -
Parabolic Injection Molded Polypropylene
Frame Material Frame - Stamped
Material - Steel
Surround Material
Spider
Crossover
Specifications Power handling(RMS) - 200 Watts
Power handling(Peak) - 400 Watts
Impedance - 4 Ohms
Sensitivity - 86 db
Vas - 97
Fs - 25
Qts - .488
Xmax - 11.0
Dimensions Depth Bottom mount - 6.1 in.
Cutout - 11.13 in.
Displacement - 84.67 cu in.
Magnet weight - 60 oz.
12 inch
Type Woofer
Voice coil Configuration - Single
Material - Aluminum
Description - 2"
Cone Material Poly/Plastic -
Parabolic Injection Molded Polypropylene
Frame Material Frame - Stamped
Material - Steel
Surround Material
Spider
Crossover
Specifications Power handling(RMS) - 200 Watts
Power handling(Peak) - 400 Watts
Impedance - 4 Ohms
Sensitivity - 86 db
Vas - 97
Fs - 25
Qts - .488
Xmax - 11.0
Dimensions Depth Bottom mount - 6.1 in.
Cutout - 11.13 in.
Displacement - 84.67 cu in.
Magnet weight - 60 oz.