DS18 ZXI.4XL ELITE Full-Range 4-Channel Class D Amplifier 250 Watts X 4 @ 4-Ohm RMS ZXI.4XL – ELITE Full-Range 4-Channel Class D Amplifier – 250W x 4CH @ 4 OHM The ZXI Series is one of the leading amplifier families in DS18’s catalog! As one of our best-selling lines, it’s only right we honor it with EXTREME upgrades given our decade of experience! The ZXI.4XL is one of the most versatile amplifiers in our catalog: this Full-Range Amplifier outputs enough power to supercharge any powerful competitive or casual sound system and any of the components that build it! This 4-channel amplifier pure and clean 4-channel signal and 2 channel outputs to run HQ signal to run to another amp or string of amps. There is also a selector switch to move from 4 channel to 2 channel mode. Built from top of the line components (Block Style Terminals, Fully Variable Crossover, Platinum Finish Connections, and High Quality Protection Circuitry) this amplifier is guaranteed to deliver insane quantities of RMS Power on demand! The ZXI.4XL handles 250W x 4CH @ 4 OHM; 400W x 4CH @ 2 OHM; and 800W x 2CH @ 4 OHM Bridge of RMS Power