PowerBass S-84 8" Dual 4-Ohm Subwoofer PowerBass S-Series woofers featuring a 4-layer wool/paper cone now sport a treated non-resonant finished, stamped steel basket that is custom tooled with distinctive X design. A 1.5” BASV voice coil former is used on the 8-inch, and a Large Roll foam surround for precise linear movement of the cone, which equals loud bass. The S Series subwoofers are well-suited for small sealed or ported enclosures and use dual 4-ohm and single 4-ohm voice coils for multiple bass applications. Now more than ever, S-Series woofers provide lots of value without sacrificing hard-hitting performance. Features - • 8" Dual 4-Ohm Subwoofer • 125 watt RMS/250 Watts Max • Proprietary DDC Coated Paper/Wool Cone • Pressed 4-Layer Large Roll Foam Surround • 1.5" Vented BASV Voice Coil Former • Perimeter Aero-Vent Voice Coil Cooling Vents • Non Resonance DDC Coated Stamped Steel Basket • Rubber Mounting Gasket/Trim Ring • Chrome Push Terminals • Optimally Designed for Both Small Sealed or Ported Enclosures Specifications - • Nominal Impedance: Dual 4-ohm • BL: 6.4 • Inputs: Dual Coil • Subwoofer Frequency Range: 42 Hz - 800 Hz • Voice Coil Size: 1.5 in • Material: Pressed Wool / Paper • Magnet Size: 116 oz • Sensitivity (1W / 1M): 86 dB • Motor Structure: 116 oz • Cutout Diameter: 7 1/8 in • Mounting Depth: 3.5 in • Xmax: 7 mm • Spl: 86 dB • No: 0.23% • Qts: 0.46 • Qes: 0.521 • Qms: 4.3 • Mms: 51.5 g • Cms: 279 uM/N • Vas: 18.4 Ltr • SD: 206.12 sqCM • Fs: 42 Hz • Test Impedance: 1.65-ohms • VC Impedance: 4-ohm + 4-ohm • Size: 8 in • Sensitivity: 86 dB • Frequency Response: 42 Hz - 800 Hz • Voice Coil Size: 1.5 in • Power Handling (RMS/Peak): 125 / 250 watts