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2x Harmony HA-P18WS8 Raw Replacement 18 Pro PA 1200W Sub Speaker 8 Ohm Woofer

SKU: HA-P18WS8x2
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2x Harmony HA-P18"WS8 Raw Replacement 18" Pro PA 1200W Sub Speaker 8 Ohm Woofer
2x Harmony HA-P18"WS8 Raw Replacement 18" Pro PA 1200W Sub Speaker 8 Ohm Woofer
SKU: HA-P18WS8x2


  • 18" Pro Audio Midrange PA Woofer
  • Power Handling:
    • Peak: 1200 watts
    • RMS: 300-600 watts
  • Sensitivity: 93dB
  • Frequency Response: 28Hz-3.1kHz
  • Magnet Weight: 65 Ounces
  • 2.5" Copper Voice Coil
  • Single 8 Ohm


  • Fiber Reinforced Paper Cone
  • Ribbed Cloth Surround
  • Rolled Steel Basket
  • High Flux Ferrite Magnet

Detailed Specifications:

  • Voice Coil Diameter: 65.5mm
  • Voice Coil Height: 18.5mm
  • HE Magnetic Gap Height: 8mm
  • Voice Coil Bobbin: TIL
  • Xmax: 5.25mm
  • Magnet Layers: 4
  • Cms (Suspension Compliance): 0.166
  • Qms (Mechanical Q Factor): 5.13
  • Qes (Electrical Q Factor): 0.62
  • Qts (Total Q Factor): 0.55
  • Mms (Moving Mass): 189.3
  • Vas (Equivalent Volume of Compliance): 354.6 L
  • Rs (Resonant Frequency): 28 Hz
  • SD (Effective Piston Area): 1225.4 cm2
This item is New
1 Year Manufacturer's Warranty
Proposition 65 Warning for California Consumers

WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to

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Frequently Asked Questions for this Product:

When will my order ship?
Most orders placed before 3:00 PM CST will ship within 24 hours. If you need a product by a specific time please contact us at 1-877-275-4434 before ordering.
When will I receive my tracking number?
Most tracking numbers are sent out around 5:30 PM CST of the following business day. Please allow 24-business-hours after ordering before requesting tracking information.
How fast will I receive my product?
Depending on your location it may take 3-4 business days for your order to arrive. Your tracking number will tell you the exact day your order will arrive. If you need an order by a specific date we recommend you call us at 1-877-275-4434

Return Policy
You may return this item in its original condition within 30-Days for a refund, minus a 20% restocking fee, and minus any shipping charges we paid to get the item to you.