The Earthquake Sound MiNi D1000.4 (Gen 2) stands with the rest of the MiNi D family as being one of the most efficient Class D amps ever made; running extremely cool as it delivers unbelievable power in a super-compact size. With this 4-channel amplifier being less than 2 inches tall, the MiNi D1000.4 can be installed into incredibly small spaces (under the seat, behind the back seat, motorcycles, ATVs, etc.) allowing you to preserve that valuable storage space in your vehicle. The MiNi D1000.4 features an independent front/rear x-over, gain, and bass boost adjustments to suit your audio needs. Earthquake has also included a 60A mini ANL fuse block/holder for your amp installations. The MiNi D1000.4 reaches a maximum peak power of 1000 watts and features a 0-12 dB bass and 5v-0.2V gain controls, RCA inputs, and variable x-over and frequency adjustment controls to adjust the boosted center frequency.