DS18 ZR1500.1D Class D 1-Channel Monoblock Amplifier 1500 Watts RMS-1 Ohm

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 ZR1500.1D car audio amp comes with Lowpass and Subsonic filters to help you set to the perfect frequency for your music preference. The included bass knob will help you attenuate your bass with a quick turn of the dial to tune in your bass volume with every song you play. It is made to deliver 1500 watts RMS @ 1-Ohm, 950 watts RMS @ 2-Ohms, and 550 watts RMS @ 4 ohms giving you the perfect power for your bass.Key Features Digital Class D Subwoofer Monoblock MAX Wattage: 4500w Peak @ 1-Ohm RMS Wattage: 1500 Watts RMS @ 1-Ohms, 950 Watts RMS @ 2-Ohms, 550 Watts RMS @ 4-Ohms Frequency Response: 10-220 Hz Signal to Noise Ratio: >95Db Efficiency at 4-Ohms: 85% Total Harmonic Distortion: 0.01% Input Range: .02-6v Selectable X-Over: LPF fixed Bass Boost: 0-12Db Phase: 0-180 LED Indicator: Clipping, Power, Protect Power and Ground Terminal: 4 Ga Minimum Impedance: 1 Ohm Great For Car Audio Pro Audio Motorcycles Home Studio Hi-Fi Installation Off-Road DIY Projects POWER   Total Watts (Peak) 4500W RMS Power @ 4 ohm 550W RMS Power @ 2 ohm 950W RMS Power @ 1 ohm 1500W AUDIO   Frequency Response 10-220Hz Signal to Noise Ratio >95dB Efficiency @ 4ohm 85% Damping Factor 220 Input Impedance 20K ohm Channel Separation N/A Total Harmonic Distortion (THD) 0.01% Low Level Input Range 0.2-6V High Level Input No Selectable X-Over LPF Fixed X-Over Filter Range 40-180Hz    Bass Boost Range 0-12dB Bass Boost Frequency 30-80Hz Infrasonic Filter 10-50Hz Phase Selector No FEATURES   Amplifier Class Digital Amplifier Type Monoblock Subwoofer Number of Channels 1 Minimum Impedance 1 ohm Led Indicator clipping/protect/power Power Input Terminal Size 4ga Fuse Size 160A Remote Level Control Yes / Dash Mount Cooling Fan No Voltmeter  No Thermal Protection Yes Over-Load Protection Yes DC Output Protection Yes Short Circuit Output Protection Yes Voltage Input Protection Yes <9 / >16 Volts Clipping Protection  Yes Body Color / Finish Black Aluminum Brush MEASUREMENT   Overall Length 14.8" / 376mm Overall Wide 7.24" / 184mm Overall Height 2" / 53mm Heatsink Length  13.4" / 341mm Gross Single Unit Weight 7Lb