Features
Low-Profile Shallow Mount Subwoofer
Fiber Matrix Injection Molded Polypropylene Cone
Weather-Resistant Design
3-Layer High Temp Voice Coil Former
Optimal Thermal Efficiency
Wrap-Sealed Rubber Gasket to Protect Enclosure Interior
Removable Subwoofer Grille Included
Specifications
Thiele/small parameters
Nominal Impedance (Z)                2 ohms
DC Resistance (Re) ]]                    1.8 ohms
Resonance Frequency (Fs)          37.48 Hz
Piston Area (Sd)                            0.0330 m2
Force Factor (BL)                          10.03 T.m
Mechanical Q Factor (Qms)         4.0332
Electrical Q Factor (Qes)              0.4879
Total Q Factor (Qts)                      0.4353
Sensitivity 1W/M (SPL)                 86.0912
Mechanical Comp (Cms)              0.1554 mm/N
Moving Mass (Mms)                     116.0099 g
Linear Excursion (Xmax) .           9 mm
Volume Acoustic Comp (Vas)    23.6364 Ltr/0.834712 cu ft
Reference Efficiency (NO.)           0.25% RMS
Power (Pe)                                     400 Watts
Frequency Response                   20-250 Hz
Voice Coil Diameter                    2.5 in/63.5 mm
Displacement                                0.045 cu ft/ 1.275 Ltr
In the box:
SPC-10S2, Manual, Warranty
Dimensions
Overall Dimensions: 10.39 in/ 264 mm
Cut Out Diameter: 9.13 in/ 232 mm
Mounting Depth: 3.5 in/ 89 mm
Mounting Height (w/o Grille): 0.71 in / 18mm
Mounting Height (w/ Grille): 1.22 in / 31mm