---
product_id: 380813739
title: "Black Diamond DIA-1850.4 Car Audio Amplifier – 4 Channel, Full Range, Class Ab, 1850 Watts"
brand: "black diamond"
price: "$30.40"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/380813739-black-diamond-dia-1850-4-car-audio-amplifier-4-channel
store_origin: US
region: United States of America
---

# 1850W Power 4 Channel Class AB Tech Black Diamond DIA-1850.4 Car Audio Amplifier – 4 Channel, Full Range, Class Ab, 1850 Watts

**Brand:** black diamond
**Price:** $30.40
**Availability:** ✅ In Stock

## Summary

> 🎶 Power Up Your Sound Experience!

## Quick Answers

- **What is this?** Black Diamond DIA-1850.4 Car Audio Amplifier – 4 Channel, Full Range, Class Ab, 1850 Watts by black diamond
- **How much does it cost?** $30.40 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/380813739-black-diamond-dia-1850-4-car-audio-amplifier-4-channel)

## Best For

- black diamond enthusiasts

## Why This Product

- Trusted black diamond brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision Engineering:** Crafted with multi-layer PCB traces for stability and reliability, ensuring your audio experience is nothing short of exceptional.
- • **Full Frequency Mastery:** Enjoy crystal-clear sound across the entire frequency spectrum with our full range capabilities.
- • **Unleash Unmatched Power:** Experience a jaw-dropping 1850 Watts of audio power that elevates your sound system to new heights.
- • **Versatile Compatibility:** Designed for 1-4 ohm speakers, this amplifier adapts to your unique audio setup effortlessly.
- • **Smart Protection Features:** Stay worry-free with built-in LED indicators and advanced protection against short circuits and voltage issues.

## Overview

The Black Diamond DIA-1850.4 Car Audio Amplifier is a high-performance, 4-channel amplifier delivering a maximum output of 1850 Watts. Engineered with Class AB technology, it offers efficient power usage while supporting a wide range of speaker impedances from 1 to 4 ohms. This full-range amplifier is equipped with essential protection features and precision quality control, making it a reliable choice for any audio enthusiast.

## Description

Black Diamond Model DIA-1850.4  Number of Channels: 4 Circuit Topology: Full Range Class-AB RMS POWER OUTPUT AT 1Ω N/A RMS POWER OUTPUT AT 2Ω 150Wx4CH RMS POWER OUTPUT AT 4Ω 100Wx4CH RMS POWER OUTPUT AT 1Ω BRIDGED Wx2CH TOTAL HARMONIC DISTORTION <0.3% S/N RATIO REF 1W AT 4 Ω >90dB GAIN RANGE 0.2-6V CROSSOVER RANE 40-400Hz FREQUENCY RANE 20-20Hz DIMENSIONS (MM) 351.2x140x48.3

## Features

- AMAZING POWER - Capable of 1850 Watts Max with high efficiency in mind gives you the best of both worlds. You will have all the power you need while utilizing state-of-the-art technology that requires less energy.
- WIDE RANGE OF APPLICATIONS - Ranging from 1-4 ohms, this amplifier will allow you to use a variety of speakers for your specific application. Never again will you need to worry about having the right amp for the job.
- FULL RANGE AMP - If you are looking for an amplifier that can handle the full frequency range then look no further! Wire the most powerful midranges, tweeters, drivers, or coaxial to this full range series.
- Power, Protection & Clipping LED Lights Status Indicator Short Circuit. Thermal, DC Offset and High & Low Voltage Protection
- Audio Precision Quality Control Verification Stable & Reliable Multi Layers PCB Traces Layout

## Product Details

- **Item dimensions L x W x H:** 35.1 x 14 x 4.8 centimeters
- **Voltage:** 6 Volts
- **Manufacturer:** Black Diamond
- **Minimum supply voltage:** 0.2 Volts
- **Mounting type:** Surface Mount

## Images

![Black Diamond DIA-1850.4 Car Audio Amplifier – 4 Channel, Full Range, Class Ab, 1850 Watts - Image 1](https://m.media-amazon.com/images/I/51UE0OVmyFL.jpg)
![Black Diamond DIA-1850.4 Car Audio Amplifier – 4 Channel, Full Range, Class Ab, 1850 Watts - Image 2](https://m.media-amazon.com/images/I/61ndej5Fw2L.jpg)
![Black Diamond DIA-1850.4 Car Audio Amplifier – 4 Channel, Full Range, Class Ab, 1850 Watts - Image 3](https://m.media-amazon.com/images/I/61h4RCUI47L.jpg)
![Black Diamond DIA-1850.4 Car Audio Amplifier – 4 Channel, Full Range, Class Ab, 1850 Watts - Image 4](https://m.media-amazon.com/images/I/61zDEcFEhwL.jpg)
![Black Diamond DIA-1850.4 Car Audio Amplifier – 4 Channel, Full Range, Class Ab, 1850 Watts - Image 5](https://m.media-amazon.com/images/I/51UT61wGnbL.jpg)

## Available Options

This product comes in different **Pattern Name, Style** options.

## Frequently Bought Together

- Black Diamond DIA-1850.4 Car Audio Amplifier – 4 Channel, Full Range, Class Ab, 1850 Watts
- Skar Audio 4 Gauge Amplifier Wiring Kit - Blue, Copper Clad Aluminum, SKAR4ANL-CCA
- RECOIL RCI23 100% Oxygen Free Copper 3ft 2-Channel RCA Audio Cable, Twisted Pair with Noise Reduction

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-18*