Black Diamond Class D 4-Channel Full Range Amplifier | 200W RMS X 4 at 4-Ohm
Black Diamond Class D 4-Channel Full Range Amplifier | 200W RMS X 4 at 4-Ohm
Channel: 4 Channel
Power: 4 x 200 Watts RMS
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Key Features
- Powerful Output – 200W RMS @ 4Ω, 320W RMS @ 2Ω, 600W RMS bridged @ 4Ω
- Versatile Crossovers
- Precision Tuning
- Reliable Protection
- Compact & Durable
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Technical Data - Manual
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Product Overview
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.
FREE SHIPPING ORDERS +$35 
30-DAY RETURNS 
2 YEAR WARRANTY 
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Black Diamond Class D 4-Channel Full Range Amplifier | 200W RMS X 4 at 4-Ohm
Let customers speak for us
The Pro CF 6x9 is a well built beautifully looking and sounding speaker! Very happy with DS18 and the product they sell!
Thank you DS18!
i love them i got them to complete my 6 speaker rack and now everyone looks at me when driving
This amp has been nothing short of amazing. I have it powering the DS18 shallow mount 10 and it’s very powerful.
YESSAH BOY I GON RUN DIS ON MY 80A STOCK TAHOE ALTERNATOR AND STOCK ELECTRICAL BECUZ DIS GON TURN ALL THE CHICKS HEADS DAS ALL DAT MATTERS
Shetty horns my stunt wall better with QF and JN bc i like to hop on trends
I heard quinns setup with these while i was cruising in my clapped out corolla and now i cant hear out of my left ear
The DS18 PRO-DKH4 is absolutely worth it if you’re chasing serious volume, clarity, and pro-audio level performance. This driver uses a massive 4-inch titanium voice coil and a heavy-duty bolt-on horn that delivers extremely loud, crisp highs without breaking a sweat. With high sensitivity and real power-handling capability, it cuts through road noise, crowds, and outdoor environments effortlessly. The build quality is on another level — the materials and weight alone show it’s made for competition setups, big systems, and anyone who needs their mids and highs to stay clean even at extreme volumes. It’s not meant for casual stock upgrades or soft, warm sound; this is a driver built for people who want aggressive, high-output vocals and instruments that project like a concert speaker. If your system is designed for loud, clean performance and you want a top-tier horn driver that can keep up with big amps and big bass, the PRO-DKH4 is worth every dollar.
made ears bleed bought 5 of them for my churro
These scream, must buy never buying another horn.
I thought my Walmart tweeters was crisp until I ordered these they took my sound to another level
if you are having someone install this for you its the best you can get for this price. im very very happy with the product.
however i was thinking the install would be a lot more plug and play as far as mounting the door speakers and tweeters. other than that no issues at all
ION Compact Full Range Class D 4-Channel Amplifier 4 x 240 Watts RMS @ 4-ohm
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Better than reviews!!
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