1-4 DAYS DELIVERY
Black Diamond Class D 4-Channel Full Range Amplifier | 200W RMS X 4 at 4-Ohm
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100% ORIGINAL AND QUALITY
24 MONTHS GUARANTEE
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Black Diamond DIA-P1800X4D
Class D 4-Channel Full Range Amplifier
The DIA-P1800X4D delivers 200W RMS per channel at 4 ohms and increases 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.
30-Day Return Policy
At Fuego Bass Shop, we want you to be fully satisfied with your purchase. You can return most products within 30 days of delivery for a refund or exchange.
Please note: Any returns with physical damage or missing original packaging may incur a deduction.
Restocking Fee: A 15% restocking fee will be deducted from your refund to cover handling and restocking.
Refunds will be processed to your original payment method within 5–7 business days after we receive and inspect the returned item.
We ship within the United States (excludes recipients in Alaska, Hawaii, Puerto Rico, U.S. Virgin Islands, and Guam).
At Fuego Bass Shop, we understand the thrill of receiving your car audio equipment quickly. Our shipping process is designed to ensure your order arrives safe, fast, and ready to pump bass.
Most orders are processed within 1–2 business days. Standard shipping usually takes 3–7 business days depending on your location. Expedited shipping is available for select items during checkout.
Once your order is shipped, you will receive a tracking number via email so you can follow your gear every step of the way. Our packaging is designed to protect high-performance audio equipment from bumps, vibrations, and shocks during transit.
Please note: Delivery times may vary during holidays, promotions, or due to carrier delays. We highly recommend verifying your shipping address before completing checkout to avoid delays.
If you have any questions about your shipment or need assistance, our support team is ready to help. We want your experience with Fuego Bass Shop to be as powerful and smooth as our bass systems!





