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Business hours: Monday - Friday 9am - 5pm / Saturday, Sunday and Holidays we are Closed.

Technical Details:

  • Sundown Audio X-Series 8-inch Car Subwoofer
  • Model: X V.4 8″ D4
  • SOLD INDIVIDUALLY
  • RMS 1000 watts
  • Dual 2 or 4 ohm voice coil
  • Made for extremely deep bass
  • Triple-stacked magnet
  • 3” voice coil
  • Hyper-extended pole
  • Built to order

  • SPECIFICATIONS
    RE (Ohms): 6.0
    FS (Hz): 44.150
    VAS (L): 3.562
    Qes: 0.497
    Qms: 2.300
    Qts: 0.409
    BL (NA): 27.141
    Mms (Grams): 220.090
    Cms: 59.044
    Sens (dB @ 1w/1m): 79.8
    Xmax: 19mm
  • ENCLOSURE RECOMMENDATION SPECS
    Sealed Enclosure: 0.3-.04cuft
    Ported Enclosure: 0.75-1.0 cu ft
    Recommended Tuning: 32hz
    Recommended Port Area: 12-16 sq in
    Displacement: 0.13 cu ft
    Depth: 7.56"
    Outside Diam.: 8.71"
    Cutout: 7.32"

                                                        Shipping Information:

                                                        • We are Free Shipping to All US continental Street
                                                        • All orders will be shipped via UPS, Fedex or USPS (Insurance is Included)

                                                        Terms and Conditions:

                                                        • All our Products have 30-days Return Policy starting from the date of purchase. Must request an RMA# (Return Merchandise Authorization).
                                                        • All returned merchandise are to be tested and inspected according to reasons/ claims why it is being returned before any decisions will be made.
                                                        • All returned merchandise must be in original factory carton, including all packaging materials, inserts and manuals, warranty cards (not filled-out) and all other accessories (i.e. screws, bass knobs, plastic coverings, protective films, etc.) Failure to meet any of these requirements will result in a higher restocking fee or denial of return request.
                                                        • All DOA (Dead on Arrival)/ Defective items must be reported within 48 hours after receiving the item.
                                                        • Shipping charges are non-refundable. Only the purchase price of the product is refundable.
                                                        • When ordering for a Car Alarm Replacement remote make sure you are ordering the correct one or give us a call to check if it is compatible with your Car/ Car alarm. This is to avoid returns and paying for restocking fee charges.

                                                        REFUNDS, EXCHANGE, AND REPLACEMENTS:

                                                        • Applicable only for items purchased within 30-days. 
                                                        • IMPORTANTLY, DEFECTIVE OR NON DEFECTIVE All Items should be returned in a good/ well-packed condition. Failure to comply with our Terms and Conditions may lead to UNAPPROVED RETURNS.
                                                        • All UNACCEPTABLE RETURNS are subject to 20% restocking fee and UNAPPROVED RETURNS are subject to NO REFUND, EXCHANGE, REPLACEMENT, and OR REPAIR.

                                                        Reasons for unapproved returns:

                                                        • Physical damage: Item is scratched, torn, wet, burned, blown, signs of misuse, and faulty installation DEFECTIVE or non DEFECTIVE

                                                        Reasons for unacceptable returns:

                                                        • Factory sealed items: If it’s opened and tampered except for certain items

                                                        REPAIRS:

                                                        • Applicable for items purchased more than 30-days but not later than a year.
                                                          • Brand new:
                                                            • All purchased brand new products have 1 year warranty from DiscountCentralOnline.
                                                          • Refurbished:
                                                            • All purchased refurbished products have 90-days warranty from DiscountCentralOnline.

                                                        Payment Information:

                                                        • We Accept Paypal Payment and other Credit card (Visa, Master Card & Amex)