DS18 EXL-P4000X1D EXL Power 1-Channel Class D Amplifier 4000 x 1 @ 1-Ohm Watts Rms Made In Korea
Key features
- Amplifier channels: 1
- RMS output at 4 ohms: 1600.0 W
- RMS output at 2 ohms: 2600 W
- RMS output at 1 ohm: 4000 W
DS18 EXL-P4000X1D EXL Power 1-Channel Class D Amplifier 4000 x 1 @ 1-Ohm Watts Rms Made In Korea is backordered and will ship as soon as it is back in stock.
Description
Description
Product Overview
Bring 4000 watts RMS of 1-ohm power to a dedicated subwoofer setup with the DS18 EXL-P4000X1D EXL Power monoblock car amplifier. Its Class D design, Korean-built circuitry, and thermal protection are made for high-demand bass systems.
Key Features & Benefits
- 4000W RMS at 1 ohm: Delivers the rated continuous power for a high-output subwoofer system.
- Class D, single-channel design: Focuses the amplifier on subwoofer use with high efficiency and heat management.
- Adjustable bass controls: Bass boost and infrasonic filtering let you shape the low-frequency signal.
- Dash-mount remote level control: Adjust bass level from the cockpit while listening.
- Built-in protection: Thermal, overload, DC output, short circuit, voltage input, and clipping protection address listed fault conditions.
- Black aluminum enclosure: The chassis measures 17.4 x 8.77 x 2.67 inches for installation planning.
Technical Specifications
| Brand / Model | DS18 EXL-P4000X1D EXL Power |
|---|---|
| Channel / Class | 1-Channel Monoblock Class D |
| RMS Power @ 1 Ohm | 4000W x 1 CH |
| Minimum Impedance | 1 Ohm |
| Frequency Response | 15Hz–250Hz |
| Signal-to-Noise Ratio | >98dB |
| Efficiency @ 4 Ohm | >87% |
| THD | <0.02% |
| Inputs / Wiring | 1/0 AWG power/ground inputs; 8 AWG speaker terminals |
| Bass Boost | 0–+9dB (30–60 Hz) |
| Infrasonic Filter | 10–30 Hz |
| LPF | Fixed with a selectable range (35–250 Hz) |
| Remote Level Control | Dash-mount remote level control |
| Protection & Safety | Thermal Protection (>75°C / 167°F); Over-Load; DC Output; Short Circuit Output; Voltage Input (>15.5V); Clipping Protection |
| Fuse / Power Input | 450 A inline fuse recommended; Power Input Size 0 AWG |
| Enclosure | Black Aluminum |
| Dimensions | 17.4 x 8.77 x 2.67 inches |
| Made In | Korea |
Why Choose This Product?
The EXL-P4000X1D combines a 4000W RMS rating at 1 ohm with low stated THD and a signal-to-noise ratio above 98dB. Its bass boost, infrasonic filter, and fixed LPF with a selectable range provide controls for shaping the subwoofer signal.
Thermal and electrical protection features support a demanding installation, while the remote level control gives you an in-cabin way to adjust bass level.
Installation & Compatibility Notes
Plan for the amplifier’s 17.4 x 8.77 x 2.67-inch dimensions and its 1-ohm minimum impedance. The listed wiring details specify 1/0 AWG power/ground inputs, 8 AWG speaker terminals, a 0 AWG power input size, and a recommended 450 A inline fuse. Confirm the installation requirements for your system before connecting the amplifier.
Frequently Asked Questions
How much power does the EXL-P4000X1D deliver?
Its stated rating is 4000W RMS x 1 channel at 1 ohm.
What is the amplifier’s minimum impedance?
The listed minimum impedance is 1 ohm. Check the final load of your subwoofer system against this requirement.
Can I adjust bass level from the vehicle cabin?
Yes. The amplifier includes a dash-mount remote level control.
What fuse is recommended?
The listed recommendation is a 450 A inline fuse.
What are the bass-filter adjustment ranges?
Bass boost is 0–+9dB at 30–60 Hz, the infrasonic filter is 10–30 Hz, and the fixed LPF has a selectable range of 35–250 Hz.
Explore More
Shop DS18 products at 12 Volt Outlet. Want to learn more about DS18? Explore our DS18 brand profile.






