PowerBass S系列超大的电机结构给消费者留下了深刻的印象，可以在重击低音通道时实现高功率处理和更高的可靠性。并且经过工程师不断地研究改进，S系列的扬声器将性价比提升到了一个全新的水平，是众多年轻HIFI爱好者的最爱。
12" Dual 4-Ohm Subwoofer
300 watt RMS/600 Watts Max
Proprietary DDC Coated Paper/Wool Cone
Pressed 4-Layer Large Roll Foam Surround
2" 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
Nominal Impedance: Dual 4-ohm
BL: 9.1
Inputs: Dual Coil
Subwoofer Frequency Range: 31 Hz - 500 Hz
Voice Coil Size: 2 in
Material: Pressed Wool / Paper
Sensitivity (1W / 1M): 88 dB
Motor Structure: 142 oz
Cutout Diameter: 11 11/16 (297.0mm)
Mounting Depth: 5.5 in
Xmax: 9.5 mm
Spl: 87.5 dB
No: 0.30%
Qts: 0.5
Qes: 0.56
Qms: 4.5
Mms: 150.5 g
Cms: 175.3 uM/N
Vas: 64.9 Ltr
SD: 510.7 sqCM
Fs: 31 Hz
Test Impedance: 1.6-ohm
VC Impedance: 4-ohm + 4-ohm
Size: 12 in
Sensitivity: 88 dB
Frequency Response: 31 Hz - 500 Hz
Voice Coil Size: 2 in
Power Handling (RMS/Peak): 300 / 600 watts