SPRO 2100.1D - Cerwin Vega Monoblock 2100W Stroker Pro Series Amplifier. Input Sensitivity: 0.2-5.0V. Dimensions; 18.03" x 10.23" x 2.81. You will be issued a Return Authorization Number.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. The item "CERWIN VEGA SPRO2100.1D STROKER PRO MONOBLOCK 2100W RMS SUBWOOFERS AMPLIFIER NEW" is in sale since Wednesday, June 17, 2015. This item is in the category "Consumer Electronics\Vehicle Electronics & GPS\Car Audio\Car Amplifiers". The seller is "woofersetc_outlet" and is located in Los Angeles, California. This item can be shipped worldwide.