AM3A-2CH 2 Channel Class D Subwoofer Plate Amplifier 1800W DSP Power Module For Active Bass Speaker

Product Overview

The AM3A-2CH Subwoofer Plate Amplifier is a professional dual-channel Class D power module engineered for high-performance active subwoofer systems. It delivers 1800W + 1800W output at 4Ω with precise DSP control for EQ, crossover, limiter, and phase alignment. Designed for deep and powerful bass reproduction, it offers superior efficiency (>90%) and ultra-low distortion. The rugged aluminum housing provides excellent thermal management, while built-in protection ensures reliable operation under heavy load. Ideal for professional PA, cinema subwoofers, or touring setups demanding punchy and controlled low-frequency sound.

Key Features & Advantages

1. High-Power Dual Output for Subwoofers

With 2×1800W RMS at 4Ω, the AM3A-2CH is optimized for large active subwoofer enclosures or dual 18-inch bass systems. Its powerful output ensures tight, impactful low frequencies for concerts, events, and fixed installations.

2. Integrated DSP for Bass Optimization

The built-in DSP processor allows precise tuning of EQ, crossover, delay, and limiter parameters—perfect for aligning subs in complex sound systems. This feature enables users to tailor bass response to different room acoustics and speaker designs.

Utilizing advanced Class D switching technology, the amplifier achieves over 90% efficiency with minimal heat buildup. It maintains stable output even under continuous high-power conditions, ensuring reliable performance in demanding professional use.

3. Intelligent Multi-Protection System

Equipped with over-voltage, over-current, DC, and thermal protection, the AM3A-2CH guarantees long-term durability and safety. The system auto-recovers after fault detection, reducing maintenance downtime and protecting connected loudspeakers.

4. Easy Integration & Compact Structure

Its lightweight aluminum chassis and universal AC input (90–265V) make it suitable for global markets. The modular plate design allows easy installation into various active subwoofer cabinets, simplifying OEM production and custom designs.

Applications

• Active Dual Subwoofer Cabinets – Perfect for dual 15″ or 18″ subwoofer systems requiring consistent and deep bass power.

• Professional PA & Touring Systems – Ensures long-term reliability and tight low-end for live performance setups.

• Cinema & Theatre Bass Systems – Delivers controlled, distortion-free bass for immersive audio experiences.

• Installed Sound Projects – Ideal for clubs, stadiums, or large venues where sustained low-frequency output is essential.

Specification