Description
DS18 DIA-P1800X4D
The DIA‑P1800X4D is a powerful Black Diamond Class‑D 4‑channel full‑range amplifier designed to deliver clean, high‑efficiency power to vehicle and powersports audio systems, including cars, UTVs, ATVs, and marine setups. It delivers 200 W RMS per channel at 4 Ω, increasing to 320 W RMS per channel at 2 Ω, and up to 600 W RMS when bridged for driving larger speaker loads. The amplifier features selectable crossovers (full range, high‑pass, low‑pass), adjustable input gain, and a wide frequency response from 20 Hz to 20 kHz for accurate, detailed sound reproduction. Built‑in protection systems guard against thermal overload, short circuits, DC output, voltage irregularities, and clipping for reliable performance in rugged environments. Its compact, durable Class‑D design makes installation easy while maintaining efficient power delivery and cool operation.
Specifications
| Specification | Details |
|---|---|
| Total Watts (Peak) | 3600W |
| RMS Power @ 4Ω | 200W |
| RMS Power @ 2Ω | 320W |
| RMS Power @ 4Ω Bridge | 600W |
Technical Specifications
| Specification | Details |
|---|---|
| Frequency Response | 20Hz – 20KHz |
| Signal to Noise Ratio | >90dB |
| Efficiency @ 4Ω | 85% |
| Total Harmonic Distortion (THD) | 1% |
| Low Level Input Range | 0.2V – 6V |
| Selectable Crossover | FULL / LPF / HPF |
| Crossover Filter Range | 40Hz – 4KHz |
Features
| Feature | Details |
|---|---|
| Amplifier Class | Digital |
| Amplifier Type | Stereo Full Range |
| Number of Channels | 4 |
| Minimum Impedance | 2Ω (Stereo), 4Ω (Bridge) |
| LED Indicator | Power / Protect / Clipping |
| Power Input Terminal Size | 4 GA |
| Fuse Size | 120A |
| 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 | 9.64″ / 245mm |
| Overall Width | 6.18″ / 157mm |
| Overall Height | 2″ / 52.8mm |
| Heatsink Length | 8.66″ / 220mm |
Product Overview
Class D 4-Channel Full Range Amplifier
The DIA-P1800X4D delivers 200W RMS per channel at 4 ohms, increasing to 320W RMS per channel at 2 ohms. When bridged, it pushes 600W RMS per channel at 4 ohms. Its frequency response spans from 20Hz to 20kHz, producing clear sound with only about 1% distortion.
Precise Sound Control
Input gain adjusts from 0.2 to 6 volts, and you can select full, low-pass, or high-pass crossover between 40Hz and 4kHz. This flexibility lets you tailor the sound precisely to your system’s needs.
Built for Endurance
This amplifier features thermal, overload, DC output, short circuit, voltage input, and clipping protections: ensuring stable operation. It uses 4 gauge power wiring and requires a 120A fuse for optimal safety.
Compact and Installation Friendly
The DIA-P1800X4D measures 9.64 inches long, 6.1 inches wide, and 2 inches tall. Its 8.66-inch heatsink efficiently dissipates heat for long-lasting performance.
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