Features:

• 10" HED Series Dual 4-Ohm Car Subwoofer
• Power Handling:
  • Peak: 1200 watts
  • RMS: 250 watts
• Composite polypropylene cone
• Unimount Gasket surround
• Single stitched durable rubber surround
• Protected lead wires for no interference
• Stitched tensile leads into woven spider
• Vented deep drawn basket for increased air flow
• Spring loaded terminals for easy wire installation
• Dual Voice Coil
• Optimized high power single-stacked magnet
• Top-mount depth: 5.10"
• Cutout diameter: 9.70"
• Sensitivity: 85.0 dB
• Resonance Frequency (Fs): 32

Specifications:

• 10” Dual 4-ohm High-Performance Subwoofer
• Power Handling: 250W RMS / 1200W MAX 
• Xmax - Inch(mm): 8
• Fs-Free Air Resonance (Hz): 32
• Vas (Liter): 34
• Qts: 0.61
• Qes: 0.65
• Qms: 9.7
• Re (Ω)[series]: 2 or 8
• Sd (cm²): 0.033
• Cms (mm/N): 0.24
• Mms (g): 101
• BL (T*M): 7.7
• SPL (db): 85.0
• Mounting Depth: 5.1 (129.6) in. (mm)
• Total Diameter: 10.7 (271.8) in. (mm)
• Mounting Diameter (inch/mm): 9.7 (246.4) in. (mm)