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Quick Details

  • Max. Power: 501 - 1000W
  • Sensitivity: 75 - 90dB
  • Voltage: DC 12V
  • Size: 8inch
  • Impedance: Dual 4 Ohm
  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: JLD Audio
  • Model Number: EX8D4
  • Warranty: 1 Years
  • Color: Black
  • Type: Woofer
  • Usage: Car Low Frequency Audio System
  • RMS: 500W

Packaging & Delivery

Packaging Details General carton package with foam protection
Delivery Time 45Days after the 30%T/T prepaid payment


8Inch RMS500W High Performance Car Subwoofer

Products Description: 

 E X 8 D 4 

RMS500W Subwoofer


General Specification:


• 8" High Performance Car Subwoofer

• Die-cast Aluminum frame with black glossy coating

• Non-pressed pulp with tall foam surround

• High Efficiency Y35 FEA optimized magnet 

• Rubber boot for magnetic protection

• High-temp 2" 4 Layers BASV coil

• Tinsel leads wove on conex spider

• Binding post terminal

• Thicker vented Pole piece

• Rubber Gasket




  ^ Normal Impedance: Dual 4Ohm

  ^ Frequency Response: 30-200 Hz

  ^ RMS Power handling: 500W

  ^ Peak Power Handling: 1000W



 Thiel-Small Parameters:

1), Sensitivity (1M/1W)SPL83.5dB
2), Electrical Q ValueQes0.60
3), Mechanical Q ValueQms7.41
4), Total Speaker Q ValueQts0.55
5), Free Air ResoranceFs50.3Hz
6), Equivalent ComplianceVAS8.5L
7),  One-Way, Linear ExcursionXmax14.5mm
8),  Force FactorBl16.8 N/A
10), Normal ImpedanceZnomDual 4 Ohm
11), Net WeightN.W.


12), Gross WeightG.W.



    JLD Audio stands behind every product we make with a no-hassles warranty, we warrants this products for a mininum of one year from the date of delivered that B/L mentioned within negotiated technology and raw materials usage. We will supply the compensated replacement parts for customer's repair if this products will be damaged by your consumer usage.

Other terms: 

   1), Sample policy: 

          Sample will be compensated and also customer will pay the courier freight.

   2), OEM Service:

          Welcome every customer update this product so that fit the market, the logo authorization letter and regist certificate will be required as the Chinese trademark law.

  3), All best assistance on the delivery service.

  4), Any other question, pls feel free to contact Mr.Leek, the international sales manager work at JLD Audio more than 10 years


Transaction History of the Supplier

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Transaction Overview


Transaction Details

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China (Mainland) | Manufacturer, Trading Company
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Supplier Assessments:
2 Transactions 10,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $271,000
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