Model	S-118	S-218
Frequency Response	single Subwoofer	Double Subwoofer
RMS power	35-150Hz	35-150Hz
Peak power	500w	1000w
Component	1x18"	2x18"
Sensitivity(1w/1m)	126dB	136dB
Max(SPL)	18mm plywood	18mm plywood
Nominal Impedance	black paint	black paint
Dispersion (HxV)	8Ω	4Ω
Dimensions（WxHxD）mm	860x560x793	561x1066x780
Net Weight (kg)	66kg	89kg