Key Features * Class D Monoblock Amplifier * MAX Wattage: 1500 Watts Peak * RMS Wattage: 500W RMS @ 1-Ohm, 300W RMS @ 2-Ohms, and 200W RMS @ 4-Ohms * Frequency Response: 10 – 220Hz * Signal to Noise Ratio: >95dB * Efficiency at 4-Ohms: 85% * Total Harmonic Distortion: 0.01% * Input Range: 0.2v - 6v * Selectable X-Over: LPF Fixed * LED Indicator: Clipping, Power, Protect * Power and Ground Terminal: 4 Ga * Minimum Impedance: 1-Ohm

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. 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. AMAZING POWER - The ZR500.1D is made to deliver 500W RMS @ 1-Ohm, 300W RMS @ 2-Ohms, and 200W RMS @ 4-Ohms giving you the perfect power settings for your speakers. PERFECTLY DESIGNED - The ZR series was designed to pump up the bass and help your speakers reach their maximum potential as a part of your sound system. Easily tuned, The ZR500.1D comes with Lowpass and Subsonic filters to help you set to the perfect frequency for your music preference. PEAK POTENCY - DS18’s ZR series of amplifiers are guaranteed to supercharge your sound system to deliver brilliant sound and bulky bass frequencies.