Sundown Audio SDX-100.4 4-Channel Weatherproof Amplifier

270 x 2 @ 4 ohms RMS Bridged 135 x 4 @ 2 ohms RMS 100 x 4 @ 4 ohms RMS Variable 12dB high-pass filter: 15Hz - 500Hz or 300Hz - 10kHz (Ch. 1-2) Variable 12dB high-pass filter: 15Hz - 500Hz (Ch. 3-4) Variable 12dB low-pass filter: 30Hz - 500Hz or 600Hz - 10kHz (Ch. 3-4) x1/x20 crossover frequency multipliers   Variable 12dB bass boost @ 50Hz DC auto-sensing turn on Thermal, voltage, speaker short, and dc-offset protection circuitry Water resistant Heavy cast aluminum heat sink Removable audio control cover Optional wired remote control  Get ready to experience the power and versatility with the water-resistant SDX amp! Perfect for your car, UTV, or any open-air vehicle, this compact yet mighty Class D amplifier delivers exceptional fidelity. Neatly protected beneath a sealed cover, a full suite of audio controls allow you the freedom to adjust your sound to perfection. A robust aluminum casing provides superior heat dissipation, and a shield from the elements. Whether its powersports