DB Drive SPF10D4 : 10 in Dual 4-Ohm Shallow Subwoofer Powered Subwoofers 8 Liters) Woofer Displacement 0

8 Liters) Woofer Displacement 0

35 Port diameter (inches) N/A Port length (inches) N/A The Alpine S2-W10D4 replaces these items: Alpine S-W10D4

2 Bridge mount brackets

Like all M6 models

DB Drive SPF10D4 : 10 in Dual 4-Ohm Shallow Subwoofer Powered Subwoofers 8 Liters) Woofer Displacement 0Features 2. 5" High Temperature Voice coil Reinforced paper cone Dual poly cotton dampeners Stamped Cast basket Rubber gasket trim ring Large gauge compression terminals Protective magnet cover Specifications Structure 12" (30. 48cm) Woofer Dynamic Power Handling 1200 Watts Nominal Power Handling 600 Watts Impedance Dual 4? Voice Coil Parameters Resonant Frequency (fs) 34. 798Hz D. C. Voice Coil Resistance (Re) 3. 4 x 2? Mechanical Quality Factor