Description
DS18 DIA-P1500X1D
The DIA‑P1500X1D is a powerful 1‑channel Class‑D monoblock amplifier from the Black Diamond series designed to drive subwoofers with deep, high‑output bass performance in vehicle, marine, or powersports audio systems. It delivers 1500 W RMS at 1 Ω with substantial power available at higher impedance loads, making it ideal for serious subwoofer setups in off‑road vehicles, boats, UTVs, or cars where intense low‑end output is required. The amp features adjustable bass control, fixed low‑pass filtering, and a subsonic filter for precise tuning, along with built‑in protections such as thermal, overload, short‑circuit, and DC‑output safeguards for reliability under heavy use. Its compact design and included remote bass control input make it easy to install and adjust from the driver’s seat.
Specifications
| Specification | Details |
|---|---|
| Total Watts (Peak) | 4500W |
| RMS Power @ 4Ω | 550W |
| RMS Power @ 2Ω | 950W |
| RMS Power @ 1Ω | 1500W |
Technical Specifications
| Specification | Details |
|---|---|
| Frequency Response | 10 – 220Hz |
| Signal to Noise Ratio | >95dB |
| Total Harmonic Distortion (THD) | 0.01% |
| Low Level Input Range | 0.2V – 6V |
| High Level Input | No |
| Selectable Crossover | Fixed LPF |
| Crossover Filter Range | 40 – 180Hz |
| Bass Boost Range | 0 – 12 dB |
| Bass Boost Frequency | 0 – 80Hz |
| Infrasonic Filter | 10 – 50Hz |
Features
| Feature | Details |
|---|---|
| Amplifier Class | Digital |
| Amplifier Type | MonoBlock Subwoofer |
| Number of Channels | 1 |
| Minimum Impedance | 1 Ohm |
| LED Indicator | Power / Protect / Clipping |
| Power Input Terminal Size | 4 GA |
| Fuse Size | 120A |
| Remote Level Control | Yes / Dash Mount |
| 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 / Satin |
Measurements
| Measurement | Dimensions |
|---|---|
| Overall Length | 13.97″ / 355mm |
| Overall Width | 6.18″ / 157mm |
| Overall Height | 2″ / 52.8mm |
| Heatsink Length | 13.42″ / 341mm |
Product Overview
1-Channel Class D Monoblock Amplifier
Total Bass Control
Gain control ranges from 0.2 to 6 volts input sensitivity for perfect matching with your head unit. Bass boost offers 0, 6, or 12 decibels of extra punch. The subsonic filter adjusts between 10 and 50 hertz to protect your subwoofer from damaging frequencies. And the low-pass filter is adjustable between 50 and 220 hertz, for precise control over your bass response.
Durability Built-In
The amp features thermal, overload safeguard, short circuit, and DC output protection to ensure your system stays safe and cool during long, intense sessions. Its robust heatsink efficiently dissipates heat for reliable operation.
Installation Friendly
Measuring 14 inches in length, the DIA-P1500X1D fits neatly into most vehicles and includes a remote bass control input for easy in-ride tuning.
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