Description

DS18 ZR500.1D
Power Specifications
| Specification | Value |
|---|---|
| SKU | ZR500.1D |
| Total Watts (Peak) | 1500W |
| RMS Power @ 4 Ohm | 200W |
| RMS Power @ 2 Ohm | 300W |
| RMS Power @ 1 Ohm | 500W |
Audio Specifications
| Specification | Value |
|---|---|
| Frequency Response | 10–220Hz |
| Signal to Noise Ratio | >95dB |
| Efficiency @ 4 Ohm | 85% |
| Damping Factor | 160 |
| Input Impedance | 20kΩ |
| 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 | 50–220Hz |
| Bass Boost Range | 0 / 6 / 12dB |
| Bass Boost Frequency | 45Hz |
| Infrasonic Filter | 10–50Hz |
| Phase Selector | No |
Features
| Specification | Value |
|---|---|
| Amplifier Class | Digital |
| Amplifier Type | Monoblock Subwoofer |
| Number of Channels | 1 |
| Minimum Impedance | 1 Ohm |
| LED Indicator | Clipping / Protect / Power |
| Power Input Terminal Size | 4 GA |
| Fuse Size | 60A |
| 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 (<9V / >16V) |
| Clipping Protection | Yes |
| Body Color / Finish | Black Aluminum Brush |
Measurements
| Measurement | Value |
|---|---|
| Overall Length | 8.46″ / 215mm |
| Overall Width | 7.24″ / 184mm |
| Overall Height | 2″ / 53mm |
| Heatsink Length | 7″ / 180mm |
| Gross Single Unit Weight | 3.15 lb |
Product Overview
ZR Class D 1-Channel Monoblock Car Amplifier 500W RMS
DS18’s ZR500.1D is a Class D monoblock amplifier built to push real power to your sub — with tuning tools that put you in total control.
500W RMS @ 1Ω. Peak Performance All Day.
This amp slams with 200W @ 4Ω, 300W @ 2Ω, and a full 500W RMS @ 1Ω — backed by a massive 2400W peak output.
Tuned for Precision. Built for Pressure.
Dial in your sound with Lowpass, Subsonic, and Bass Boost filters. Use the Gain knob and selectable boost switch to fine-tune every drop.
Full Range Power. Full Control.
ZR amps are known for their efficiency and reliability. This amp includes LED indicators for Clipping, Power, and Protect, plus 4GA terminals for secure power delivery.
Choose the ZR500.1D and unlock hard-hitting, clean bass in any build!




















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