
HA2402 12600W 2-Channel 1U Class D PA Subwoofer Power Amplifier
The HA2402 is a compact and powerful 2-channel Class D PA subwoofer amplifier designed for professional live sound, touring systems, subwoofer applications, and fixed installations. Built in a lightweight 1U rack-mount chassis, it delivers high output power, excellent low-frequency performance, stable 2Ω operation, and reliable protection for demanding audio projects.
Key Selling Points
- 2 × 2400W @ 8Ω / 2 × 4100W @ 4Ω / 2 × 6300W @ 2Ω
- 12600W bridged output at 4Ω for high-power subwoofer systems
- High-efficiency Class D amplification with low heat generation
- Compact and lightweight 1U rack-mount design
- Function indicators, short-circuit protection, and long-term 2Ω stable operation
Product Overview
The HA2402 2-channel Class D power amplifier is specially designed for driving high-power subwoofers and professional PA speaker systems. It provides 2400W × 2 at 8Ω, 4100W × 2 at 4Ω, and 6300W × 2 at 2Ω, delivering strong output power, excellent dynamics, and reliable performance for demanding sound reinforcement applications.
With advanced Class D circuit technology, the HA2402 offers high efficiency, clean sound quality, and powerful low-frequency response. Its high power density 1U rack design helps save rack space, reduce system weight, and lower transportation costs, making it ideal for touring rental systems and fixed installation projects.
The amplifier is equipped with four high-efficiency Nidec cooling fans and a temperature-dependent cooling system. Fan speed automatically adjusts according to the internal temperature, ensuring stable operation and long-term reliability even under heavy working conditions.
Built-in protection circuits help protect both the amplifier and connected loudspeakers from under-voltage, DC output, over-temperature, overload, and short circuit, making the HA2402 a dependable choice for professional audio systems.
Main Features
Powerful Class D Amplification
High-efficiency Class D technology delivers strong output power, low heat generation, and excellent audio dynamics for professional subwoofer and PA applications.
Compact 1U Rack Design
The lightweight 1U chassis saves rack space and reduces transportation cost, making it suitable for touring racks, rental systems, and fixed installations.
Long-Term 2Ω Stable Operation
Designed for stable continuous operation at 2Ω, the HA2402 is ideal for demanding subwoofer systems requiring high current and strong low-frequency output.
Advanced Cooling System
Four high-efficiency Nidec fans with thermal-dependent speed control provide effective cooling and reliable operation under heavy load conditions.
Reliable Protection System
Multiple protection functions include under-voltage protection, DC protection, over-temperature protection, overload limiter, and short-circuit protection.
Application Scenarios
- Professional live sound systems
- Touring rental audio systems
- High-power subwoofer systems
- Clubs and entertainment venues
- Concert halls and auditoriums
- Stage performance systems
- Fixed installation PA projects
- Line array and subwoofer speaker systems
Recommended Projects
The HA2402 is ideal for high-power subwoofer systems, touring racks, live performance venues, clubs, auditoriums, houses of worship, and fixed installation PA projects. It is suitable for professional users who need compact size, powerful output, reliable protection, and stable long-term performance.
Technical Specifications
| Item | HA2402 |
|---|---|
| Amplifier Class | Class D |
| Channels | 2 Channels |
| 8Ω Stereo Power RMS | 2400W × 2 |
| 4Ω Stereo Power RMS | 4100W × 2 |
| 2Ω Stereo Power RMS | 6300W × 2 |
| 8Ω Bridged Power RMS | 8200W |
| 4Ω Bridged Power RMS | 12600W |
| Frequency Response | 20Hz–20kHz, ±0.5dB |
| THD @ 1kHz | 0.01%–0.03% |
| Signal-to-Noise Ratio | ≥104dB |
| Input Sensitivity | 0.775V / 1V / 32dB selectable |
| Cross Talk | ≥70dB |
| Input Connectors | 3-pin XLR, electronically balanced |
| Output Connectors | Neutrik speakON |
| Protection | Under voltage, DC, over temperature, overload limiter, short protection |
| Operating Voltage | 90V–260V |
| Input Impedance | 20kΩ Balanced / 10kΩ Unbalanced |
| Damping Factor | ≥5000 |
| Dimensions | 480 × 330 × 44 mm |
| Packing Dimension | 515 × 415 × 103 mm |
| Net Weight | 8.7 kg |
| Gross Weight | 10.5 kg |