AM3A-2.1 DSP Controlled 2.1 Channel Plate Amplifier For Active Bass Cabinet And Dual Satellite Speakers

Product Overview

The AM3A-2.1 Class D DSP Plate Amplifier is engineered for active subwoofer systems powering two passive satellite speakers or compact line array configurations. Delivering 1800 W + 2 × 900 W, it provides powerful and balanced sound with exceptional clarity. Integrated DSP processing allows full EQ, crossover, delay, limiter, and phase control, ensuring accurate sound alignment in any environment. Featuring > 90 % efficiency and low distortion, the AM3A-2.1 combines high output with excellent thermal stability, making it ideal for portable PA systems, touring applications, and installation sound setups that demand both reliability and precision.

Key Features & Advantages

1. True 2.1 Channel Output Design    

This amplifier delivers 1800 W for subwoofer and 2 × 900 W for satellites, giving full-range coverage from deep bass to clear mids and highs. It’s ideal for active bass cabinets or compact line array modules requiring integrated low- and high-frequency amplification.

2. Built-in DSP Control for Accurate Sound    

With onboard DSP management, users can easily configure EQ, crossover, delay, limiter, and phase via PC or RS-485 connection. This ensures perfect balance and consistency for both subwoofer and satellite outputs, optimizing system response for any venue.

3. High-Efficiency Class D Amplification    

Utilizing advanced Class D switching topology, the AM3A-2.1 achieves over 90 % energy efficiency, minimizing heat while maintaining strong output dynamics. The result is long-term stable performance for touring and continuous-duty environments.

4. Comprehensive Protection System    

Equipped with over-current, DC, over-temperature, and short-circuit protection, this module safeguards both amplifier and connected speakers. Each unit undergoes extended reliability testing to guarantee consistent quality and performance in the field.

5. Compact, Durable, and Easy to Install    

The lightweight aluminum plate structure ensures excellent heat dissipation and straightforward integration into various active enclosures. With universal AC input (90–265 V), it’s suitable for both local and international audio equipment builders.

Application Scenarios

• Active Subwoofer + Passive Tops – Power an active subwoofer cabinet with two passive speakers for a compact 2.1 PA solution.

• Line Array Modules – Perfect for 2.1 channel configurations in small- to medium-scale line array systems.

• Portable PA & Touring Systems – Lightweight and efficient for easy transport and consistent performance.

• Fixed Installations – Ideal for clubs, auditoriums, or conference rooms requiring integrated DSP and compact power.

Specification