2 Rockville W12T4S4 12" Shallow Mount 1400w Car Subwoofers, CEA Compliant, 4-Ohm

  • Rockville W12T4S4 12\" Shallow Mount 1400 Watt Car Subwoofer, CEA Compliant, 4-Ohm. Peak Power Handling: 1400 Watts. RMS Power Handling (CEA-2031 Compliant): 350 Watts RMS. 2\" voice coil. Ultra-Stiff Paper Composite Cone. 3D Molded High Gloss Acrylic Dust Cap. Ultra Slim, Expanded and Rolled Steel Basket. High Density Laminated Butyl Rubber Surround. High Power Strontium Magnet with Ultra Saturated, High BL Motor Gap. Vented Core Magnet Motor Structure.
  • High Temperature Aluminum Voice Coil Former. Lightweight Compact Design Ideal for Any Installation. Rubber Magnet Boot. Dual Chrome Plated Spring Loaded Push Terminals. Shallow Mount Subwoofer. Impedance: SVC 4 Ohm. Cutout Diameter: 10.98 Inches. Mounting Depth: 3.7 Inches. Frequency Response: 34 Hz to 500 Hz. Sensitivity: 89dB @ 1w/1m. Enclosure Recommendations: Sealed: 0.67 cu. Ft - 1.7 Cu. Ft.. Vented: 1.00 cu. Ft - 2.0 Cu. Ft.
  • TS Parameters: Electrical Parameters: Re: 3.46 Ohm, Le: 2.013 mH, L2: 2.592 mH, R2: 5.06 Ohm, Cmes: 937.44 µF, Lces: 23.04 mH, Res: 44.89 Ohm, fs: 34.2 Hz. Mechanical Parameters (using laser): Mms: 154.549 g, Mmd (Sd): 140.565 g, Rms: 3.673 kg/s, Cms: 0.14 mm/N, Kms: 7.15 N/mm, Bl: 12.84 N/A.
  • Lambda: 0.094. Loss factors: Qtp: 0.659, Qms: 9.054, Qes: 0.698, Qts: 0.648. Other Parameters: Vas: 56.623 l, n0: 0.00313, Lm: 87.16 dB, Lnom: 87.78 dB, Sd: 535.02 cm², EBP: 49.
  • Mechanical Parameters: RMSE-free: 0.80 Ohms, Fs: 37.72 Hz, Re: 3.33 Ohms (dc), Res: 39.65 Ohms, Qms: 9, Qes: 0.76, Qts: 0.7, L1: 1.59 mH, L2: 2.50 mH, R2: 8.03 Ohms, RMSE-load: 0.62 Ohms, Vas (Sd): 48.41 liters, Mms: 157.14 grams, Cms: 113 μM/Newton, Bl: 12.91 Tesla-M, SPLref (Sd): 88.0 dB (4 ohms), Rub-index: 0.03, Method: Mass-loaded: 80.000 grams, DCR mode: Measure: -0.13 ohms, Area (Sd): 551.55 sq cm.
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