
H2-825 800W + 250W 2-Channel Class-D DSP Plate Amplifier Module for Bi-Amp Active Speakers
Product Overview
The H2-825 is a compact and high-performance 2-channel Class-D DSP plate amplifier module designed for bi-amp active speakers, line array systems, column speakers, and professional PA applications. With 800W + 250W output power at 8Ω, it provides strong, efficient, and stable amplification for low-frequency and high-frequency drivers in active speaker systems.
Built with an integrated DSP processor, the H2-825 offers precise control of crossover, EQ, delay, limiter, gain, polarity, mixer, and APF functions. This allows sound engineers and speaker manufacturers to fine-tune system performance for different speaker designs and application environments.
The module supports USB and RS-485 control, allowing users to manage system settings through PC software. Its compact size and high-efficiency Class-D design make it ideal for active loudspeakers, OEM speaker manufacturing, and upgrading passive speaker systems into active configurations.
Key Features
800W + 250W High Power Output
Delivers 800W + 250W at 8Ω, providing powerful and stable performance for bi-amped full-range speakers, top cabinets, and column speaker systems.
Built-In DSP Control
Integrated DSP functions include Mute, Polarity, Gain, Delay, Limiter, Mixer, EQ, Crossover, and APF, allowing accurate sound tuning and system optimization.
2-Channel Bi-Amp Design
Designed for active two-way speaker systems, with separate amplification for low-frequency and high-frequency drivers.
USB & RS-485 PC Control
Supports system setup and remote tuning via USB or RS-485 connection, making configuration easier for professional users and installation projects.
Compact Class-D Architecture
High-efficiency Class-D design provides strong output power in a compact size, reducing heat, weight, and installation space.
Ideal for OEM and Speaker Upgrades
Suitable for active line arrays, column speakers, full-range cabinets, monitor speakers, and retrofitting passive loudspeakers into active systems.
Comprehensive Protection
Built-in protection functions include short circuit, DCP, OVP, UVP, OCP, and OTP, helping ensure safe and reliable long-term operation.
Applications
Bi-amp active speaker systems
Active line array speakers
Column array speaker systems
Full-range top cabinets
Stage monitor speakers
Professional PA systems
Fixed installation audio systems
Clubs, theaters, churches, and conference venues
OEM active loudspeaker manufacturing
Passive speaker upgrade projects
Technical Specifications
| Item | Specification |
|---|---|
| Model | H2-825 |
| Amplifier Type | 2-Channel Class-D DSP Plate Amplifier |
| Output Power | 800W + 250W @ 8Ω |
| Frequency Response | 20Hz – 20kHz ±1dB |
| THD+N | <0.1% @ 1kHz, 1W, 8Ω |
| Signal-to-Noise Ratio | >100dB @ 1kHz |
| Channel Separation | >80dB @ 1kHz |
| Amplifier Class | Class D |
| DSP Functions | Mute, Polarity, Gain, Delay, Limiter, EQ, X-Over, APF |
| DSP Control | USB / RS-485 |
| Input Sensitivity | 1V |
| Input Impedance | 20kΩ |
| Protection | Short Circuit, DCP, OVP, UVP, OCP, OTP |
| Operating Voltage | 110V Version: 90V–135V / 220V Version: 180V–265V / PFC Version: 90V–265V |
| Dimensions | 285 × 136 × 100 mm |
| Packing Dimensions | 345 × 170 × 160 mm |
| Net Weight | 2.5 kg |
| Gross Weight | 3.5 kg |
Why Choose H2-825?
The H2-825 is a reliable and efficient DSP plate amplifier solution for professional active speaker systems. With 800W + 250W power output, built-in DSP control, USB / RS-485 connectivity, compact Class-D design, and comprehensive protection functions, it is ideal for bi-amp active speakers, line arrays, column systems, OEM manufacturing, and professional audio installations.

