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1 pr 6X9" Carbon Fiber Subwoofer" cast mid-woofer

The HD-690CF 6X9" subwoofer is designed and built for the unique demands of the car audio environment. They are built to deliver the truest, in-car sound possible, the most accurate and natural performance ever-the type of performance that has earned our design team countless awards and unanimous praise from around the world. The HD-690CF SUB is smooth with a fast deep clean sound into the lowest bass frequencies.

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1 pr 6X9" Carbon Fiber Subwoofer" cast mid-woofer

Technical specs and contents:

  • 1 pr 6X9" carbon fiber subwoofer
  • Frequency response 30Hz-4000Hz 
  • Power handling:125WRS (250WPk)
  • (Actual response curve depending on size and type of enclosure used. 
  • (download response curves on parameter tech sheet Pdf)
  • Impedance 4 Ohm
  • Sensitivity: 89dB
  • Dimensions: 6.625"X 9.25"
  • Ellipse (168.3mm X 235mm)
  • Ellipse (Exclusive of mounting tabs) 6" X 8.625"
  • Ellipse (152.4mm X 219mm)
  • Ellipse Free Air use mount in rear deck, large door or panel
  • Mounting depth: 3.5"
  • Cone: carbon fiber cone
  • Magnet weight: 30 Oz
  • Cone surround: rubber
  • Voice coil: 1.5"

Download tech parameters here >>

Price (incl. warranty)

Promo Price:


When you buy from CDT Store you get full support for your sound system custom design and installation with extensive on-line help and technical consultation including personal voice communication at our toll-free help-line virtually assures optimal result. CDT Audio sound systems are made by parts from USA, China and some other regions worldwide.
More detailed information on CDT products and specific systems origin call
Toll Free: 877-568-3238
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