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Description

DS18 G1800.1D

The G1800.1D is a monoblock Class D car audio amplifier designed to deliver deep, clean bass power for subwoofers in vehicle audio systems. With a compact yet rugged design, this amp provides stable, distortion‑free output across a range of loads from 1 Ω to 4 Ω, making it ideal for subwoofer builds or powerful bass systems. It includes selectable low‑pass and subsonic filters, an adjustable bass boost, and a remote level control knob for easy tuning. Built‑in protection features like thermal, clipping, and voltage safeguard ensure reliability and long‑term performance on the road.


Specifications

Specification Value
SKU G1800.1D
Class D
Amplifier Type Monoblock Subwoofer
Number of Channels 1
Peak Power 1800W
RMS Power @ 4 ohm / 14.4V 250W
RMS Power @ 2 ohm / 14.4V 400W
RMS Power @ 1 ohm / 14.4V 600W
Minimum Impedance
Operating Voltage 9 – 15V

Audio Specifications
Specification Value
Frequency Response 10Hz – 500Hz
Signal to Noise Ratio >93dB
Low Pass Filter 35Hz – 250Hz
High Pass Filter N/A
Subsonic Yes
Subsonic Frequency 10Hz – 50Hz
Efficiency @ 4 ohm 90%
Damping Factor 45
Total Harmonic Distortion (THD) 0.0014%
Input Sensitivity 0.25 – 6V
X-Over Filter Range 35 – 250Hz
Bass Boost Range 0 – 12dB
Bass Boost Frequency 45Hz
Phase Selector No

Features
Specification Value
High Level Input Yes
Selectable X-Over Fixed LPF
LED Indicator Power / Protection / Clip
Voltage Input Protection Yes
Clipping Protection Yes
Thermal Protection Yes
Speaker Output Size 8GA
Power Input Size 4GA
Fuse Rating 80A
Remote Level Control Yes
Body Color / Finish Matte Black

Measurements
Measurement Value
Product Weight 4.5 lb
Product Dimensions (L × W × H) 11.75 × 7.5 × 3.25 in
Master Carton Weight 24 lb
Master Carton Dimensions (L × W × H) 15 × 12.5 × 10.75 in
Master Carton Quantity 6
Sold In Single

Product Overview

Monoblock Class D 1-Channel Amplifier 1800W

The G1800.1D is engineered to vitalize the low end frequencies reproduced by your system for bass you can feel, daring you to create the system of your dreams.
Rest easy knowing that the G1800.1D’s stable and reliable Class D circuit design has undergone rigorous sound quality verification using AP Instruments. We have designed the G Series to deliver nothing short of professional-grade sound reproduction.
Tune your frequencies just the way you like them with fixed Low Pass Filters and Remote Level Bass Control Knob, offering you unprecedented control over your bass. With surface mount component technology, this amplifier also gives you control in customizing the placement and design of your build. The G1800.1D also features High-Level Input Compatibility, allowing for direct signaling to your radio unit, ensuring seamless integration into any setup.
With power output settings of 600W RMS at 1-ohm, 400W RMS at 2-ohm, and 250W RMS at 4-ohm, the G1800.1D delivers the perfect balance of power and finesse, supercharging any custom build with ease.
Safeguard your equipment effectively with the G1800.1D’s Protection, Clipping, and Power Indicator LED’s. Stay informed and in control as these indicators alert you when your amplifier approaches its limit, protecting your investment and guaranteeing a long-lasting audio experience. The G1800.1D also features a host of advanced protective features, including short circuit, thermal, and voltage protection, ensuring the safety and longevity of your investment.
Designed for the competitor and enthusiast, the G1800.1D delivers unrivaled power, precision, and efficiency, propelling your build to unprecedented heights.

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Questions and Answers

Q1: What is the G1800.1D?

A1: The G1800.1D is a 1‑channel Class D monoblock car audio amplifier designed for powering subwoofers with reliable, distortion‑free bass output.

Q2: How powerful is this amplifier?

A2: It delivers about 600 W RMS @ 1 Ω, 400 W @ 2 Ω, and 250 W @ 4 Ω, with 1800 W peak power capability.

Q3: What impedance loads is it stable on?

A3: It’s stable from 1 Ω to 4 Ω, making it versatile for different subwoofer setups.

Q4: Does it include a remote control?

A4: Yes — a wired bass/level remote control knob is included for fine‑tuning from the front seat.

Q5: What protection features does it have?

A5: It includes thermal, voltage, clipping, and short‑circuit protections to help prevent damage to the amp and connected components.


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