Class D 4-Channel Full-Range Car Amplifier 275x4 RMS @ 4-Ohm 4000W Your system is unstoppable with the revamped SXE-4000.4D! This beast of a Class D 4-Channel Full-Range Car Amplifier packs 4000W of pure audio muscle, taking your vehicle's sound system to a whole new level of precision and power. The SXE-4000.4D puts you in complete control with fully variable crossovers, adjustable gain, and a multi-channel design, allowing you to dial in your sound exactly how you want it. Its compact design s
