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secondo voi č valido questo?

http://img121.imageshack.us/i/0000087l.jpg/

č un Subwoofer USBlaster Lowrider 12"

Queste sono le caratteristiche:
Speaker size 12 inch ( 300 mm )
Power RMS 1500 WATT x 2
Impedance 2 x 2 Ohms
QMS 3.32
QES 0.37
QTS 0.33
Fo 37.2 Hz
Levc 1.76 mH
SPL 91 dB
VAS 21 L
X-Max 28 mm
OD 325 mm
MD 190 mm
BC 283 mm
CMS 51.7 mmm/N
MMS 353 g
MMD 346 g
Magnet 300 Oz
Weight: 21 Kg