Used Sundown Audio SAEV42000 Amplifier

2,000 x 1 @ 1 ohms RMS 1,300 x 1 @ 2 ohms RMS 875 x 1 @ 4 ohms RMS Class D amplifier 12dB variable low pass filter: 40Hz - 180Hz 12dB subsonic filter: 10Hz – 40Hz Phase shift control 0-180 degrees Power, clipping & protection indicators included Heavy aluminum heat sink for improved thermal control Thermal, voltage, speaker short, and dc-offset protection circuitry Wired remote control with clipping indicator Getting big clean bass to your subs is what Sundown is all about. SAEv4 high-performance half-bridge class D amplifiers deliver powerful, detailed power. The variable phase, lowpass and subsonic filters provide the control you need - for the sound you love.  Featuring robust protection circuitry against thermal, voltage, speaker short, and DC-offset issues, along with power and protection indicators, this amplifier guarantees long-lasting durability, while the heavy aluminum heat sink enhances thermal control, preventing overheating during extended use. The included wired remote with clipping indicator provides real-time monitoring and output control!