PEAK POTENCY - The ZR Series amps are sure to power all your subwoofers with great sound acuity and massive bass frequency responses PERFECTLY CREATED - Designed to efficiently pump out hard hitting bass and put your subwoofers at their maximum potential AMAZING POWER - Is made to deliver 2000 Watts RMS @ 1-Ohm, 1300 Watts RMS @ 2-Ohms, and 800 Watts RMS @ 4 ohms giving you the perfect power for your bass BASS KNOB INCLUDED - Will help you attenuate your bass with a quick turn of the dial to tune in your bass volume with every song you play NEVER STOP INNOVATING ATTITUDE - DS18 stands out from other brands with our progressive designs and unwavering commitment to delivering the most technologically up-to-date products on the market The ZR Series amps are sure to power all your subwoofers with great sound acuity and massive bass frequency responses. They have been designed to efficiently pump out hard-hitting bass and put your subwoofers at their maximum potential. Easily tuned, The ZR2000.1D comes with Lowpass and Subsonic filters to help you set to the perfect frequency for your music preference.