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The DS18 ZR500.1D is a Class D monoblock car amplifier built to drive a subwoofer. It delivers 500W RMS at 1 ohm, 300W RMS at 2 ohms and 200W RMS at 4 ohms, so it works with a range of subwoofer loads. Tuning controls include a low-pass filter, a subsonic filter, a gain knob and a bass boost switch. It suits a single-subwoofer system on a modest budget, where its small Class D chassis and flexible load handling compete with larger, pricier monoblocks that add more power and DSP features.
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The DS18 ZR500.1D is a Class D monoblock amplifier built to drive subwoofers. It has a single channel and a minimum impedance of 1 ohm. Power is rated at 500W RMS at 1 ohm, 300W RMS at 2 ohms and 200W RMS at 4 ohms, with a peak of 1500 watts.
Tuning controls include a gain knob, a bass boost selector, a fixed low-pass crossover and an infrasonic (subsonic) filter. The bass boost offers 0, 6 or 12 dB at 45Hz. The crossover filter range is 50-220Hz, and the infrasonic filter covers 10-50Hz.
The amplifier has protection against thermal overload, overload, DC output, short circuit, input voltage and clipping. LED indicators show clipping, power and protect status. It supports a remote level control. The body is a black brushed aluminum finish.
