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The AM155 is not just a built-in amplifier — it’s a system control core designed for modern active speaker architecture. By combining 2-channel amplification with intelligent DSP, it allows speaker designers to build cleaner, more compact, and better-optimized systems without relying on external processors.
This makes it especially effective in applications where integration, tuning flexibility, and space efficiency matter most.
In active line array design, consistency and control are everything. The AM155 enables precise system tuning inside each cabinet:
Dedicated amplification for different frequency sections
Internal DSP crossover replaces external processors
Time alignment improves coherence between drivers
The result is a more predictable array behavior, smoother coverage, and faster deployment — ideal for compact touring rigs and scalable systems.
The AM155 also introduces a highly practical system configuration:
One amplifier module, powering an entire small PA system
One channel handles the subwoofer
The second channel drives passive full-range speakers
DSP manages crossover and protection internally
This setup reduces:
External gear
System wiring
Setup complexity
At the same time, it improves reliability and portability — perfect for mobile PA, rental systems, and compact installations.
Rather than being just a feature, the DSP in the AM155 acts as the brain of the speaker system.
System Matching
Fine-tune the amplifier to match different drivers and cabinet designs
Acoustic Optimization
Shape frequency response to suit real environments, not just lab conditions
Built-in Protection Logic
Keeps speakers operating safely under demanding conditions
Flexible Configuration
Adapt one amplifier platform across multiple product models
On-site Adjustability
Quick tuning during installation or deployment
This level of control allows manufacturers to deliver consistent sound performance across different setups.
With its Class D architecture, the AM155 is built for modern speaker manufacturing:
Compact footprint for easy cabinet integration
Reduced heat for long-term stability
Lightweight design for portable systems
It supports the trend toward fully integrated active speaker solutions where amplification, processing, and control are unified.
2-way active line array modules
Active subwoofer systems with passive tops
Compact PA systems
OEM powered speaker projects
Installation audio requiring simplified system design
ITEM/MODLE | AM155 |
8Ω Stereo Power | 1500W+500W |
4Ω Stereo Power | 1800W+700W |
Frequency Response | 20Hz-20KHz ±1dB |
THD+N 1KHz 1W 8Ω | <0.1% |
Signal to Noise Ratio 1KHz | >100dB |
Channel Separation 1KHz | >80dB |
Class | D |
Protection | Short Circuit, DCP, OVP, UVP, OCP, OTP |
Operating Voltage | 110V version: 90V-135V / 220V version: 180V-265V |
Input Sensitivity | 1V |
Input Impedance | 20KΩ |
DSP Function | MUTE, Polarity, Gain, Delay, Limiter, EQ, X-Over |
DSP Control | USB and RS-485 |
Dimensions(W×H×D) mm | 477*152*105 |
Net Weight(kg) | 3.25 |
Gross Weight(kg) | 4.25 |