Used Sundown Audio SAEV41504 Amplifier

450 x 2 @ 4 ohms RMS (Bridged) 225 x 4 @ 2 ohm RMS 150 x 4 @ 4 ohms RMS Hi-fidelity Class A/B design Variable 12dB low & high pass filters: 40Hz-5kHz Power and protection indicators included Thermal, voltage, speaker short, and dc-offset protection circuitry The SAEv4 is engineered with high-fidelity Class A/B multi-channel architecture, providing an ideal balance between performance and affordability. Leveraging the latest half-bridge technology, these amplifiers deliver clean, powerful audio signals in a compact form factor. Featuring an all-new chassis and heatsink design with 33% more aluminum, this SAEv4 keeps your system cool even during intense listening sessions. The amp is packed with a variable subsonic, high pass and low pass filters, plus a 4-way protection circuit (thermal, voltage, speaker short, and DC offset). The variable crossover slope (LPF/HPF) and a high signal-to-noise ratio of 92dB further enhance audio quality, with an exceptionally low noise floor. With an input sensitivity of 6 volts and up to 900 watts of output, this amp is ready, willing, and more than able to drive your car audio system with a new level of precision and clarity.