ELECTRA BASS 3K 2 OHMs Amplifier ClassDTotal Power 14,4 @ 2 Ohms3700 WRMSTotal Power 14,4 @ 4 Ohms2300 WRMSTotal Power 12,6 @ 2 Ohms3000 WRMSTotal Power 12,6 @ 4 Ohms1700 WRMSEfficiency @ 4 Ohms84%Efficiency @ 2 Ohms80%Input Voltage9 – 15VInput Impedance100K OhmsTHD+Noise<1%Input Sensitivity140mV – 8VSNR86dBFrequency Response (Key OFF)5 to 500Hz (-3dBs)Frequency Response20 to 500Hz (-3dBs)Bass Bosst @ 45HzVariable 0 to +18dBsHPF (Subsonic)20 to 80Hz @ 12dB/octave Linkwitz-RileyLPF (Crossover)80 to 500Hz @ 12dB/octave Linkwitz-RileyRecommended Fuse150 ACurrent at Rest2 AAverage Current Draw (Sinusoidal)315 AAverage Current Draw (Music)155 APower Wire Gauge (min. Recommended)21mm / 4 AWGSpeaker Wire Gauge (min. Recommended)2 x 4mm / 2 x 11 AWGWeight (Lb)10,8Height (in)2,4Width (in)10,6Depth (in)12,3 Shipping:We offer free Same-day shipping to the USA. For international shipping, please ask for availability. Return Policy:You may return most new, unopened items within 30 days of delivery for a full refund, less any shipping costs and re-stocking fees.All items returned that are not defective, in NEW condition, and unopened will be applied a 15% re-stocking fee; this fee covers shipping expenses when sent and handlingWe shall issue the refund upon return (once the item has arrived at our warehouse). All returns will be inspected upon arrival and applied a re-stocking fee of between 15% to 50% dependent on the condition of the item returnedThe customer must ensure that the item is adequately wrapped, secured and that it includes all components (including free items) when returning the itemNo components should be missing, including screws, manuals, cables, protective films, plastic coverings, etc. The item returned must be in NEW condition. The factory seal cannot be open in any case FAILURE TO MEET ANY OF THESE REQUIREMENTS WILL RESULT IN A HIGHER RE-STOCKING FEE OR DENIAL OF RETURN REQUEST