Sound System Package. 1/0 gauge ofc wire kit SFB 3000 D Description SUNDOWN AUDIO SFB-3000D | MONOBLOCK CLASS D AMPLIFIER FEATURES: Digital Class-D Mono Block Amplifier Dual MOS-FET PWM Power Supply 1 Ohm Stable Load 12 dB/Octave – Variable Low Pass Filter 12 dB/Octave – Variable High Pass Filter 9 dB/Octave – Variable Bass Boost 4 Way Protection Ciruit (Thermal, Voltage, Speaker Short, DC Offset) Wired Remote Control with Clipping Indicator SPECIFICATIONS (Tested @ 14.4v) 1 ohm Mono RMS: 3000W 2 ohm Mono RMS: 20000W 4 ohm Mono RMS: 1100W Recommended Fuse Rating: 250A Low Pass Filter (Variable): 80Hz-20kHz High Pass Filter (Variable): 15Hz-80kHz Bass Boost @ 50Hz: 0-12dB Input Sensitivity: 5V Max S/N Ratio: 86dB Working Voltage: 10.5v-15.5v Dimensions: 9.00? x 8.25? x 2.50? 2 skar audio VXF12D4 12-inch Dual 4 Ohm Voice Coil Configuration Peak Power: 3,000 Watts RMS Power: 1,500 Watts Competition Grade Pressed Paper Cone Stitched High Roll Foam Surround Advanced Air Flow Cooling System 3" High Temperature Copper Voice Coil Motor Weight: 300 oz Frequency Response: 22 - 250 Hz Sensitivity: 83.6 dB Fs: 34.4 Hz Re: Dual 4 ? Qms: 4.46 Qes: 0.47 Qts: 0.43 Mms: 319.9 gr Nref: 0.19% Cms: 0.07 mm/N Bl: 33.8 n/a Vas: 22.7 L Sd: 471.4 cm Xmax: 25 mm