Check the listing for details. IMAGE DYNAMICS IDQ10 V.4 D2 SUB 10" DUAL 2-OHM 1000W MAX SUBWOOFER SPEAKER NEW. Condition: New. Listed at 238.99 USD. Brand New! IDQ10 V.4 D2 - Image Dynamics 10" Dual 2-Ohm IDQ V.4 Series SubwooferRetail Price: $229.99 Features & Specifications: 10" Dual 2 ohm IDQ V.4 Series SubwooferPower Handling:Peak: 1000 wattsRMS: 500 wattsRecommended Power Range: 50-500 wattsMica-reinforced polypropylene cone wooferParabolic roll surroundAbility to custom match the basket color to your personal installationConex spider with integrated tinsel leadsFiberglass composite basketHigh-temperature aluminum voice coilProprietary voice coil attachment designNominal Impedance (IMP): Dual 2 ΩDC Resistance (Re): 1.85 ΩResonance Frequency (Fs): 31.77 HzEquivalent Volume (Vas): 44.71 LElectrical Q Factor (Qes): 0.79Mechanical Q Factor (Qms): 2.90Total Q Factor (Qts): 0.62Peak Excursion (Xmax): 28 mmPiston Area (Sd): 383.58 cm2Sensitivity: 84.50 dB 1w/1mBox Recommendations:Sealed Enclosure Suggestion: 1.1 cu.ft.Ported Enclosure Suggestion: 1.45 cu.ft.Displacement: 0.07 cu.ft.Mounting Depth: 5.81 inOutside Diameter: 11.04 inCutout: 9.57 in International Shipping: Free shipping DOES NOT APPLY to Puerto Rico, Hawaii, Guam, Alaska or any country outside of the United States.Please message us for shipping quotes. Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding/buying. These charges are normally collected by the delivering freight (shipping) company or when you pick the item up – do not confuse them for additional shipping charges. Warranty: Each and every product for sale on ebay.com by woofersetc is covered under a (1) One Year Warranty, and can be returned for a period of (1) one year for warranty service. If you have purchased a product from us within the last one (1) year, and it is failing to perform as intended by its manufacturer, please email customer service. You will be issued a Return Authorization Number. Returns will not be accepted without a previously issued RA#. In order to maintain an inventory of 100%, Brand New, A-Stock, untouched products, all sales are final. We ask that you please be sure you are ordering the correct product. Protect Your Product With a Consumer Priority Service Warranty